{ "name": "Tomball Concrete Leveling editorial evidence graph", "description": "Machine-readable source registry, claim map, limitation language, review metadata, and conversion brief for every core content record.", "canonicalHost": "https://concreteleveling-tomball.pages.dev", "generatedAt": "2026-07-25T21:38:15.132Z", "editorialReviewDate": "2026-07-24", "policyUrl": "https://concreteleveling-tomball.pages.dev/sources/", "rules": [ "One primary intent and one supportable direct answer per indexable page", "Every evidence record must resolve to named sources", "Every source must state what it supports and what it does not support", "Commercial process videos are demonstrations, never independent proof of superiority or performance", "Regional soil and weather sources do not diagnose one property", "No fabricated ratings, projects, prices, credentials, guarantees, warranties, or availability", "Conversion copy may promise a clear request process, not a provider or repair outcome" ], "expectedCoverage": { "homepageAndSpecialPages": 4, "services": 8, "guides": 7, "resources": 28, "areas": 3, "total": 50 }, "actualCoverage": { "total": 50, "byType": { "homepage": 1, "guide": 8, "directory": 1, "tool": 1, "service": 8, "resource": 28, "area": 3 } }, "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "kind": "technical-guide", "authority": "primary", "supports": "Slabjacking is used to level and align slabs-on-ground affected by settlement, erosion, flooding, or shrinkage of supporting soil or base.", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property.", "reviewedAt": "2026-07-24" }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "kind": "technical-guide", "authority": "primary", "supports": "Appropriate repair selection, hole layouts, settlement mode, grout-pressure monitoring, and verification are core parts of slabjacking practice.", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab.", "reviewedAt": "2026-07-24" }, { "id": "fhwa-grout-subsealing", "title": "Fly Ash in Grouts for Pavement Subsealing", "publisher": "Federal Highway Administration", "url": "https://www.fhwa.dot.gov/pavement/recycling/fach09.cfm", "kind": "government", "authority": "primary", "supports": "Grout must flow into voids, develop support, avoid excessive loss, and be placed with attention to pressure, cracking, temperature, and return-to-traffic conditions.", "limitations": "Highway pavement guidance. Residential mixes, loading, details, and use instructions can differ.", "reviewedAt": "2026-07-24" }, { "id": "odot-polyurethane-report", "title": "Injected polyurethane slab jacking: final report", "publisher": "Oregon Department of Transportation and Federal Highway Administration", "url": "https://rosap.ntl.bts.gov/view/dot/22955", "kind": "research", "authority": "primary", "supports": "Injected polyurethane has been studied as an alternative method for raising and stabilizing in-place concrete slabs, with monitored field performance and material testing.", "limitations": "A specific transportation research project from 2002, not proof that every product, installer, or residential project performs the same way.", "reviewedAt": "2026-07-24" }, { "id": "pavement-interactive-stabilization", "title": "Slab Stabilization", "publisher": "Pavement Interactive", "url": "https://pavementinteractive.org/reference-desk/maintenance-and-rehabilitation/maintenance/slab-stabilization/", "kind": "technical-guide", "authority": "authoritative-secondary", "supports": "Filling voids to restore support is a different objective from raising a depressed slab, even though the operations may overlap.", "limitations": "Educational pavement reference, not a residential engineering standard or job-specific specification.", "reviewedAt": "2026-07-24" }, { "id": "fhwa-impulse-response", "title": "Pavements: Impulse Response", "publisher": "Federal Highway Administration", "url": "https://infotechnology.fhwa.dot.gov/impulse-response/", "kind": "government", "authority": "primary", "supports": "Nondestructive methods can help investigate voids below concrete slabs; visual observation or sounding alone cannot fully characterize subsurface conditions.", "limitations": "Transportation nondestructive-evaluation guidance. Testing method and interpretation must fit the project.", "reviewedAt": "2026-07-24" }, { "id": "ada-level-changes", "title": "2010 ADA Standards for Accessible Design, Section 303", "publisher": "U.S. Department of Justice", "url": "https://www.ada.gov/law-and-regs/design-standards/2010-stds/", "kind": "standard", "authority": "primary", "supports": "For covered facilities, Section 303 limits vertical and beveled changes in level and requires larger changes to comply with ramp or curb-ramp provisions.", "limitations": "Applicability depends on facility, route, alteration, and law. This site does not provide legal or accessibility certification.", "reviewedAt": "2026-07-24" }, { "id": "osha-walking-surfaces", "title": "29 CFR 1910.22: General requirements for walking-working surfaces", "publisher": "Occupational Safety and Health Administration", "url": "https://www.osha.gov/laws-regs/regulations/standardnumber/1910/1910.22", "kind": "standard", "authority": "primary", "supports": "General-industry employers must maintain walking-working surfaces, inspect them, correct hazards, and ensure they support intended loads.", "limitations": "Workplace rule, not a universal residential standard or a substitute for project-specific safety and legal review.", "reviewedAt": "2026-07-24" }, { "id": "ada-accessible-pools", "title": "ADA Requirements: Accessible Pools, Means of Entry and Exit", "publisher": "U.S. Department of Justice", "url": "https://www.ada.gov/resources/accessible-pools-requirements/", "kind": "government", "authority": "primary", "supports": "Public entities and public accommodations can have accessibility obligations for swimming pools and related routes.", "limitations": "Does not prescribe a concrete-lifting method or certify a finished pool deck.", "reviewedAt": "2026-07-24" }, { "id": "cdc-mahc", "title": "About the Model Aquatic Health Code", "publisher": "Centers for Disease Control and Prevention", "url": "https://www.cdc.gov/model-aquatic-health-code/index.html", "kind": "government", "authority": "primary", "supports": "The MAHC provides science-based guidance for public aquatic venues, including pools at hotels, apartment complexes, homeowners associations, schools, clubs, and waterparks.", "limitations": "CDC guidance, not federal law. It becomes enforceable only when adopted by a jurisdiction.", "reviewedAt": "2026-07-24" }, { "id": "icc-ispsc-decks", "title": "2024 International Swimming Pool and Spa Code, Chapter 3", "publisher": "International Code Council", "url": "https://codes.iccsafe.org/content/ISPSC2024P1/chapter-3-general-compliance", "kind": "standard", "authority": "primary", "supports": "Model-code provisions address pool-deck slope, drainage, gaps, and transitions.", "limitations": "A model code. Confirm the adopted local code, amendments, project type, and jurisdiction before relying on a requirement.", "reviewedAt": "2026-07-24" }, { "id": "cpsc-pool-safety", "title": "CPSC Advises Consumers on Swimming Pool Safety", "publisher": "U.S. Consumer Product Safety Commission", "url": "https://www.cpsc.gov/Newsroom/News-Releases/1976/CPSC-Advises-Consumers-On-Swimming-Pool-Safety", "kind": "government", "authority": "primary", "supports": "CPSC consumer guidance recommends non-slip materials around pools and attention to safe pool construction and maintenance.", "limitations": "General consumer safety guidance, not a current local building-code determination or repair specification.", "reviewedAt": "2026-07-24" }, { "id": "usfs-root-conflicts", "title": "A review of tree root conflicts with sidewalks, curbs, and roads", "publisher": "U.S. Forest Service Research and Development", "url": "https://research.fs.usda.gov/treesearch/45968", "kind": "research", "authority": "primary", "supports": "Tree-root and hardscape conflicts involve soil, planting space, tree size, root architecture, management, construction materials, repair, and mitigation choices.", "limitations": "Research review, not an instruction to cut roots or a diagnosis of one tree. Arborist review may be appropriate.", "reviewedAt": "2026-07-24" }, { "id": "nrcs-web-soil-survey", "title": "Web Soil Survey", "publisher": "USDA Natural Resources Conservation Service", "url": "https://websoilsurvey.nrcs.usda.gov/", "kind": "government", "authority": "primary", "supports": "Official mapped soil information and interpretations can provide regional and property-area context.", "limitations": "Mapped soil data cannot reveal exact fill, compaction, leaks, utilities, erosion, or support beneath one slab.", "reviewedAt": "2026-07-24" }, { "id": "nws-houston-normals", "title": "Houston IAH climate normals and annual summaries", "publisher": "National Weather Service Houston/Galveston", "url": "https://www.weather.gov/hgx/climate_iah_normals_summary", "kind": "government", "authority": "primary", "supports": "Houston-area climate normals document substantial annual rainfall and seasonal temperature conditions relevant to regional drainage context.", "limitations": "IAH station normals are regional context, not Tomball parcel data or proof that weather caused one slab to move.", "reviewedAt": "2026-07-24" }, { "id": "tomball-public-works", "title": "Public Works", "publisher": "City of Tomball", "url": "https://www.tomballtx.gov/publicworks", "kind": "municipal", "authority": "primary", "supports": "Tomball Public Works handles city streets, drainage, water, sewer, gas, parks, and related public infrastructure services.", "limitations": "Does not establish responsibility or permit requirements for every private sidewalk, driveway, or slab.", "reviewedAt": "2026-07-24" }, { "id": "tomball-building-permits", "title": "Building Permits", "publisher": "City of Tomball", "url": "https://www.tomballtx.gov/200/Building-Permits", "kind": "municipal", "authority": "primary", "supports": "The City provides current permit contacts, adopted-code references, plan submission, and inspection pathways.", "limitations": "The page does not state that every concrete-leveling repair requires a permit. Confirm scope and jurisdiction with City staff.", "reviewedAt": "2026-07-24" }, { "id": "tomball-smartgov", "title": "Electronic Submittals (SmartGOV)", "publisher": "City of Tomball", "url": "https://www.tomballtx.gov/697/Electronic-Submittals-SmartGOV", "kind": "municipal", "authority": "primary", "supports": "Current City application, plan, and inspection requests are submitted through SmartGOV unless otherwise noted.", "limitations": "Administrative process only; it does not determine whether a particular repair needs a submission.", "reviewedAt": "2026-07-24" }, { "id": "tomball-engineering", "title": "Engineering Division", "publisher": "City of Tomball", "url": "https://tx-tomball.civicplus.com/202/Engineering-Division", "kind": "municipal", "authority": "primary", "supports": "The City Engineering Division addresses public infrastructure, drainage, streets, mapping, and development review questions.", "limitations": "Municipal information must be verified with staff and does not diagnose private slab conditions.", "reviewedAt": "2026-07-24" }, { "id": "texas-ag-home-improvement", "title": "How to Avoid Home Improvement Scams", "publisher": "Office of the Attorney General of Texas", "url": "https://www.texasattorneygeneral.gov/consumer-protection/home-real-estate-and-travel/how-avoid-home-improvement-scams", "kind": "consumer-guidance", "authority": "primary", "supports": "Texas consumers are advised to obtain multiple detailed written bids, read contracts carefully, include promises in writing, keep records, and avoid full payment before satisfactory completion.", "limitations": "General consumer guidance, not legal advice for one contract or a statement that concrete leveling is a state-licensed trade.", "reviewedAt": "2026-07-24" }, { "id": "ftc-home-improvement", "title": "How to Avoid a Home Improvement Scam", "publisher": "Federal Trade Commission", "url": "https://consumer.ftc.gov/articles/how-avoid-home-improvement-scam", "kind": "consumer-guidance", "authority": "primary", "supports": "Consumers should compare estimates, verify business and insurance information, read written contracts, and avoid paying the full project amount up front.", "limitations": "General federal consumer guidance. State and local contract requirements can add obligations.", "reviewedAt": "2026-07-24" }, { "id": "dupont-gap-foam", "title": "GREAT STUFF Gaps and Cracks Insulating Foam Sealant", "publisher": "DuPont", "url": "https://www.greatstuff.dupont.com/products/gaps-cracks-insulating-foam-sealant-smart-dispenser.html", "kind": "manufacturer", "authority": "primary", "supports": "A common consumer canned foam is marketed to fill, seal, and insulate small household gaps and penetrations.", "limitations": "Product-specific manufacturer information. It does not support using canned sealant as a structural slab-lifting system.", "reviewedAt": "2026-07-24" }, { "id": "supportworks-polylevel-video", "title": "Raising Commercial Concrete Slabs with PolyLevel", "publisher": "Supportworks", "url": "https://commercial.supportworks.com/about-us/videos/7019-raising-commercial-concrete-slabs-polylevel-by-supportworks.html", "kind": "process-video", "authority": "commercial-demonstration", "supports": "Shows one proprietary polyurethane-lifting workflow, including drilling, injection, expansion, and slab movement.", "limitations": "Manufacturer marketing demonstration. Product claims, port size, timing, environmental claims, and performance are specific to that system and must not be generalized.", "reviewedAt": "2026-07-24" }, { "id": "prime-resins-slab-videos", "title": "Slab lifting video library", "publisher": "Prime Resins", "url": "https://www.primeresins.com/resources/videos/slab-lifting-videos/", "kind": "process-video", "authority": "commercial-demonstration", "supports": "Shows several polyurethane slab-lifting and soil-stabilization applications and equipment configurations.", "limitations": "Manufacturer demonstrations, not independent comparative research or proof of suitability for a particular property.", "reviewedAt": "2026-07-24" } ], "records": [ { "key": "page:homepage", "contentType": "homepage", "reviewedAt": "2026-07-24", "reviewerRole": "Editorial research review", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "fhwa-grout-subsealing", "pavement-interactive-stabilization", "odot-polyurethane-report", "nrcs-web-soil-survey", "nws-houston-normals", "texas-ag-home-improvement", "ftc-home-improvement" ], "claims": [ { "claim": "Concrete leveling may fit when a usable slab has lost support or elevation; replacement deserves comparison when the slab or required geometry cannot be preserved.", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "fhwa-grout-subsealing", "pavement-interactive-stabilization", "odot-polyurethane-report", "nrcs-web-soil-survey", "nws-houston-normals", "texas-ag-home-improvement", "ftc-home-improvement" ], "scope": "General decision support only. The cited material does not diagnose subsurface conditions, select a contractor, or guarantee an outcome for one property.", "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property." }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab." }, { "id": "fhwa-grout-subsealing", "title": "Fly Ash in Grouts for Pavement Subsealing", "publisher": "Federal Highway Administration", "url": "https://www.fhwa.dot.gov/pavement/recycling/fach09.cfm", "limitations": "Highway pavement guidance. Residential mixes, loading, details, and use instructions can differ." }, { "id": "pavement-interactive-stabilization", "title": "Slab Stabilization", "publisher": "Pavement Interactive", "url": "https://pavementinteractive.org/reference-desk/maintenance-and-rehabilitation/maintenance/slab-stabilization/", "limitations": "Educational pavement reference, not a residential engineering standard or job-specific specification." }, { "id": "odot-polyurethane-report", "title": "Injected polyurethane slab jacking: final report", "publisher": "Oregon Department of Transportation and Federal Highway Administration", "url": "https://rosap.ntl.bts.gov/view/dot/22955", "limitations": "A specific transportation research project from 2002, not proof that every product, installer, or residential project performs the same way." }, { "id": "nrcs-web-soil-survey", "title": "Web Soil Survey", "publisher": "USDA Natural Resources Conservation Service", "url": "https://websoilsurvey.nrcs.usda.gov/", "limitations": "Mapped soil data cannot reveal exact fill, compaction, leaks, utilities, erosion, or support beneath one slab." }, { "id": "nws-houston-normals", "title": "Houston IAH climate normals and annual summaries", "publisher": "National Weather Service Houston/Galveston", "url": "https://www.weather.gov/hgx/climate_iah_normals_summary", "limitations": "IAH station normals are regional context, not Tomball parcel data or proof that weather caused one slab to move." }, { "id": "texas-ag-home-improvement", "title": "How to Avoid Home Improvement Scams", "publisher": "Office of the Attorney General of Texas", "url": "https://www.texasattorneygeneral.gov/consumer-protection/home-real-estate-and-travel/how-avoid-home-improvement-scams", "limitations": "General consumer guidance, not legal advice for one contract or a statement that concrete leveling is a state-licensed trade." }, { "id": "ftc-home-improvement", "title": "How to Avoid a Home Improvement Scam", "publisher": "Federal Trade Commission", "url": "https://consumer.ftc.gov/articles/how-avoid-home-improvement-scam", "limitations": "General federal consumer guidance. State and local contract requirements can add obligations." } ] }, { "claim": "Method selection should follow slab condition, repair objective, access, fixed constraints, water conditions, material information, monitoring, finish, and written scope rather than a universal method ranking.", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "fhwa-grout-subsealing", "pavement-interactive-stabilization", "odot-polyurethane-report", "texas-ag-home-improvement", "ftc-home-improvement" ], "scope": "This is a comparison framework. It does not select mudjacking, polyurethane, grinding, replacement, or another method for one project.", "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property." }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab." }, { "id": "fhwa-grout-subsealing", "title": "Fly Ash in Grouts for Pavement Subsealing", "publisher": "Federal Highway Administration", "url": "https://www.fhwa.dot.gov/pavement/recycling/fach09.cfm", "limitations": "Highway pavement guidance. Residential mixes, loading, details, and use instructions can differ." }, { "id": "pavement-interactive-stabilization", "title": "Slab Stabilization", "publisher": "Pavement Interactive", "url": "https://pavementinteractive.org/reference-desk/maintenance-and-rehabilitation/maintenance/slab-stabilization/", "limitations": "Educational pavement reference, not a residential engineering standard or job-specific specification." }, { "id": "odot-polyurethane-report", "title": "Injected polyurethane slab jacking: final report", "publisher": "Oregon Department of Transportation and Federal Highway Administration", "url": "https://rosap.ntl.bts.gov/view/dot/22955", "limitations": "A specific transportation research project from 2002, not proof that every product, installer, or residential project performs the same way." }, { "id": "texas-ag-home-improvement", "title": "How to Avoid Home Improvement Scams", "publisher": "Office of the Attorney General of Texas", "url": "https://www.texasattorneygeneral.gov/consumer-protection/home-real-estate-and-travel/how-avoid-home-improvement-scams", "limitations": "General consumer guidance, not legal advice for one contract or a statement that concrete leveling is a state-licensed trade." }, { "id": "ftc-home-improvement", "title": "How to Avoid a Home Improvement Scam", "publisher": "Federal Trade Commission", "url": "https://consumer.ftc.gov/articles/how-avoid-home-improvement-scam", "limitations": "General federal consumer guidance. State and local contract requirements can add obligations." } ] } ], "conversion": { "stage": "ready-to-request", "primaryAction": "Request a concrete-leveling assessment", "requestDetails": [ "Surface, ZIP, and the main visible problem", "Water, cracks, roots, utilities, and fixed structures", "Contact information only after the project details are entered" ], "reassurance": "No obligation. One request is reviewed for coverage and may be shared with one independent provider after consent." }, "editorialNotes": [ "Own the broad Tomball category without claiming to be the contractor." ], "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "kind": "technical-guide", "authority": "primary", "supports": "Slabjacking is used to level and align slabs-on-ground affected by settlement, erosion, flooding, or shrinkage of supporting soil or base.", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property.", "reviewedAt": "2026-07-24" }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "kind": "technical-guide", "authority": "primary", "supports": "Appropriate repair selection, hole layouts, settlement mode, grout-pressure monitoring, and verification are core parts of slabjacking practice.", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab.", "reviewedAt": "2026-07-24" }, { "id": "fhwa-grout-subsealing", "title": "Fly Ash in Grouts for Pavement Subsealing", "publisher": "Federal Highway Administration", "url": "https://www.fhwa.dot.gov/pavement/recycling/fach09.cfm", "kind": "government", "authority": "primary", "supports": "Grout must flow into voids, develop support, avoid excessive loss, and be placed with attention to pressure, cracking, temperature, and return-to-traffic conditions.", "limitations": "Highway pavement guidance. Residential mixes, loading, details, and use instructions can differ.", "reviewedAt": "2026-07-24" }, { "id": "pavement-interactive-stabilization", "title": "Slab Stabilization", "publisher": "Pavement Interactive", "url": "https://pavementinteractive.org/reference-desk/maintenance-and-rehabilitation/maintenance/slab-stabilization/", "kind": "technical-guide", "authority": "authoritative-secondary", "supports": "Filling voids to restore support is a different objective from raising a depressed slab, even though the operations may overlap.", "limitations": "Educational pavement reference, not a residential engineering standard or job-specific specification.", "reviewedAt": "2026-07-24" }, { "id": "odot-polyurethane-report", "title": "Injected polyurethane slab jacking: final report", "publisher": "Oregon Department of Transportation and Federal Highway Administration", "url": "https://rosap.ntl.bts.gov/view/dot/22955", "kind": "research", "authority": "primary", "supports": "Injected polyurethane has been studied as an alternative method for raising and stabilizing in-place concrete slabs, with monitored field performance and material testing.", "limitations": "A specific transportation research project from 2002, not proof that every product, installer, or residential project performs the same way.", "reviewedAt": "2026-07-24" }, { "id": "nrcs-web-soil-survey", "title": "Web Soil Survey", "publisher": "USDA Natural Resources Conservation Service", "url": "https://websoilsurvey.nrcs.usda.gov/", "kind": "government", "authority": "primary", "supports": "Official mapped soil information and interpretations can provide regional and property-area context.", "limitations": "Mapped soil data cannot reveal exact fill, compaction, leaks, utilities, erosion, or support beneath one slab.", "reviewedAt": "2026-07-24" }, { "id": "nws-houston-normals", "title": "Houston IAH climate normals and annual summaries", "publisher": "National Weather Service Houston/Galveston", "url": "https://www.weather.gov/hgx/climate_iah_normals_summary", "kind": "government", "authority": "primary", "supports": "Houston-area climate normals document substantial annual rainfall and seasonal temperature conditions relevant to regional drainage context.", "limitations": "IAH station normals are regional context, not Tomball parcel data or proof that weather caused one slab to move.", "reviewedAt": "2026-07-24" }, { "id": "texas-ag-home-improvement", "title": "How to Avoid Home Improvement Scams", "publisher": "Office of the Attorney General of Texas", "url": "https://www.texasattorneygeneral.gov/consumer-protection/home-real-estate-and-travel/how-avoid-home-improvement-scams", "kind": "consumer-guidance", "authority": "primary", "supports": "Texas consumers are advised to obtain multiple detailed written bids, read contracts carefully, include promises in writing, keep records, and avoid full payment before satisfactory completion.", "limitations": "General consumer guidance, not legal advice for one contract or a statement that concrete leveling is a state-licensed trade.", "reviewedAt": "2026-07-24" }, { "id": "ftc-home-improvement", "title": "How to Avoid a Home Improvement Scam", "publisher": "Federal Trade Commission", "url": "https://consumer.ftc.gov/articles/how-avoid-home-improvement-scam", "kind": "consumer-guidance", "authority": "primary", "supports": "Consumers should compare estimates, verify business and insurance information, read written contracts, and avoid paying the full project amount up front.", "limitations": "General federal consumer guidance. State and local contract requirements can add obligations.", "reviewedAt": "2026-07-24" } ] }, { "key": "page:tomball-field-guide", "contentType": "guide", "reviewedAt": "2026-07-24", "reviewerRole": "Editorial research review", "sourceIds": [ "nrcs-web-soil-survey", "nws-houston-normals", "tomball-public-works", "tomball-building-permits", "tomball-engineering" ], "claims": [ { "claim": "Official soil, weather, drainage, flood, permit, and municipal sources provide context, but they do not diagnose conditions beneath one slab.", "sourceIds": [ "nrcs-web-soil-survey", "nws-houston-normals", "tomball-public-works", "tomball-building-permits", "tomball-engineering" ], "scope": "General decision support only. The cited material does not diagnose subsurface conditions, select a contractor, or guarantee an outcome for one property.", "sources": [ { "id": "nrcs-web-soil-survey", "title": "Web Soil Survey", "publisher": "USDA Natural Resources Conservation Service", "url": "https://websoilsurvey.nrcs.usda.gov/", "limitations": "Mapped soil data cannot reveal exact fill, compaction, leaks, utilities, erosion, or support beneath one slab." }, { "id": "nws-houston-normals", "title": "Houston IAH climate normals and annual summaries", "publisher": "National Weather Service Houston/Galveston", "url": "https://www.weather.gov/hgx/climate_iah_normals_summary", "limitations": "IAH station normals are regional context, not Tomball parcel data or proof that weather caused one slab to move." }, { "id": "tomball-public-works", "title": "Public Works", "publisher": "City of Tomball", "url": "https://www.tomballtx.gov/publicworks", "limitations": "Does not establish responsibility or permit requirements for every private sidewalk, driveway, or slab." }, { "id": "tomball-building-permits", "title": "Building Permits", "publisher": "City of Tomball", "url": "https://www.tomballtx.gov/200/Building-Permits", "limitations": "The page does not state that every concrete-leveling repair requires a permit. Confirm scope and jurisdiction with City staff." }, { "id": "tomball-engineering", "title": "Engineering Division", "publisher": "City of Tomball", "url": "https://tx-tomball.civicplus.com/202/Engineering-Division", "limitations": "Municipal information must be verified with staff and does not diagnose private slab conditions." } ] }, { "claim": "Permit, public-infrastructure, drainage, and responsibility questions should be confirmed with the current agency or governing documents for the specific scope and location.", "sourceIds": [ "tomball-public-works", "tomball-building-permits", "tomball-engineering" ], "scope": "Municipal pages identify departments and processes. They do not establish a permit requirement or ownership duty for every private slab.", "sources": [ { "id": "tomball-public-works", "title": "Public Works", "publisher": "City of Tomball", "url": "https://www.tomballtx.gov/publicworks", "limitations": "Does not establish responsibility or permit requirements for every private sidewalk, driveway, or slab." }, { "id": "tomball-building-permits", "title": "Building Permits", "publisher": "City of Tomball", "url": "https://www.tomballtx.gov/200/Building-Permits", "limitations": "The page does not state that every concrete-leveling repair requires a permit. Confirm scope and jurisdiction with City staff." }, { "id": "tomball-engineering", "title": "Engineering Division", "publisher": "City of Tomball", "url": "https://tx-tomball.civicplus.com/202/Engineering-Division", "limitations": "Municipal information must be verified with staff and does not diagnose private slab conditions." } ] } ], "conversion": { "stage": "problem-aware", "primaryAction": "Use the local research to prepare a project request", "requestDetails": [ "Property location", "Observed water and settlement pattern", "Questions for the relevant municipal office when needed" ], "reassurance": "Source scope is displayed so regional data is not misrepresented as property-specific proof." }, "editorialNotes": [], "sources": [ { "id": "nrcs-web-soil-survey", "title": "Web Soil Survey", "publisher": "USDA Natural Resources Conservation Service", "url": "https://websoilsurvey.nrcs.usda.gov/", "kind": "government", "authority": "primary", "supports": "Official mapped soil information and interpretations can provide regional and property-area context.", "limitations": "Mapped soil data cannot reveal exact fill, compaction, leaks, utilities, erosion, or support beneath one slab.", "reviewedAt": "2026-07-24" }, { "id": "nws-houston-normals", "title": "Houston IAH climate normals and annual summaries", "publisher": "National Weather Service Houston/Galveston", "url": "https://www.weather.gov/hgx/climate_iah_normals_summary", "kind": "government", "authority": "primary", "supports": "Houston-area climate normals document substantial annual rainfall and seasonal temperature conditions relevant to regional drainage context.", "limitations": "IAH station normals are regional context, not Tomball parcel data or proof that weather caused one slab to move.", "reviewedAt": "2026-07-24" }, { "id": "tomball-public-works", "title": "Public Works", "publisher": "City of Tomball", "url": "https://www.tomballtx.gov/publicworks", "kind": "municipal", "authority": "primary", "supports": "Tomball Public Works handles city streets, drainage, water, sewer, gas, parks, and related public infrastructure services.", "limitations": "Does not establish responsibility or permit requirements for every private sidewalk, driveway, or slab.", "reviewedAt": "2026-07-24" }, { "id": "tomball-building-permits", "title": "Building Permits", "publisher": "City of Tomball", "url": "https://www.tomballtx.gov/200/Building-Permits", "kind": "municipal", "authority": "primary", "supports": "The City provides current permit contacts, adopted-code references, plan submission, and inspection pathways.", "limitations": "The page does not state that every concrete-leveling repair requires a permit. Confirm scope and jurisdiction with City staff.", "reviewedAt": "2026-07-24" }, { "id": "tomball-engineering", "title": "Engineering Division", "publisher": "City of Tomball", "url": "https://tx-tomball.civicplus.com/202/Engineering-Division", "kind": "municipal", "authority": "primary", "supports": "The City Engineering Division addresses public infrastructure, drainage, streets, mapping, and development review questions.", "limitations": "Municipal information must be verified with staff and does not diagnose private slab conditions.", "reviewedAt": "2026-07-24" } ] }, { "key": "page:provider-directory", "contentType": "directory", "reviewedAt": "2026-07-24", "reviewerRole": "Editorial research review", "sourceIds": [ "texas-ag-home-improvement", "ftc-home-improvement", "tomball-public-works" ], "claims": [ { "claim": "A public directory can document who markets relevant service to Tomball without ranking workmanship or implying a current partnership.", "sourceIds": [ "texas-ag-home-improvement", "ftc-home-improvement", "tomball-public-works" ], "scope": "General decision support only. The cited material does not diagnose subsurface conditions, select a contractor, or guarantee an outcome for one property.", "sources": [ { "id": "texas-ag-home-improvement", "title": "How to Avoid Home Improvement Scams", "publisher": "Office of the Attorney General of Texas", "url": "https://www.texasattorneygeneral.gov/consumer-protection/home-real-estate-and-travel/how-avoid-home-improvement-scams", "limitations": "General consumer guidance, not legal advice for one contract or a statement that concrete leveling is a state-licensed trade." }, { "id": "ftc-home-improvement", "title": "How to Avoid a Home Improvement Scam", "publisher": "Federal Trade Commission", "url": "https://consumer.ftc.gov/articles/how-avoid-home-improvement-scam", "limitations": "General federal consumer guidance. State and local contract requirements can add obligations." }, { "id": "tomball-public-works", "title": "Public Works", "publisher": "City of Tomball", "url": "https://www.tomballtx.gov/publicworks", "limitations": "Does not establish responsibility or permit requirements for every private sidewalk, driveway, or slab." } ] }, { "claim": "Provider comparison should use consistent written bids, contracts, business verification, payment terms, material and scope details, records, and warranty language rather than imported ratings or unsupported superlatives.", "sourceIds": [ "texas-ag-home-improvement", "ftc-home-improvement" ], "scope": "General consumer guidance only. Contract, insurance, licensing, cancellation, and legal requirements can depend on the provider, project, and jurisdiction.", "sources": [ { "id": "texas-ag-home-improvement", "title": "How to Avoid Home Improvement Scams", "publisher": "Office of the Attorney General of Texas", "url": "https://www.texasattorneygeneral.gov/consumer-protection/home-real-estate-and-travel/how-avoid-home-improvement-scams", "limitations": "General consumer guidance, not legal advice for one contract or a statement that concrete leveling is a state-licensed trade." }, { "id": "ftc-home-improvement", "title": "How to Avoid a Home Improvement Scam", "publisher": "Federal Trade Commission", "url": "https://consumer.ftc.gov/articles/how-avoid-home-improvement-scam", "limitations": "General federal consumer guidance. State and local contract requirements can add obligations." } ] } ], "conversion": { "stage": "provider-aware", "primaryAction": "Compare providers with one written scope", "requestDetails": [ "Legal business identity", "Written method and project scope", "Insurance, payment, and warranty documentation" ], "reassurance": "Directory inclusion is not an endorsement, quality ranking, or current lead-routing relationship." }, "editorialNotes": [], "sources": [ { "id": "texas-ag-home-improvement", "title": "How to Avoid Home Improvement Scams", "publisher": "Office of the Attorney General of Texas", "url": "https://www.texasattorneygeneral.gov/consumer-protection/home-real-estate-and-travel/how-avoid-home-improvement-scams", "kind": "consumer-guidance", "authority": "primary", "supports": "Texas consumers are advised to obtain multiple detailed written bids, read contracts carefully, include promises in writing, keep records, and avoid full payment before satisfactory completion.", "limitations": "General consumer guidance, not legal advice for one contract or a statement that concrete leveling is a state-licensed trade.", "reviewedAt": "2026-07-24" }, { "id": "ftc-home-improvement", "title": "How to Avoid a Home Improvement Scam", "publisher": "Federal Trade Commission", "url": "https://consumer.ftc.gov/articles/how-avoid-home-improvement-scam", "kind": "consumer-guidance", "authority": "primary", "supports": "Consumers should compare estimates, verify business and insurance information, read written contracts, and avoid paying the full project amount up front.", "limitations": "General federal consumer guidance. State and local contract requirements can add obligations.", "reviewedAt": "2026-07-24" }, { "id": "tomball-public-works", "title": "Public Works", "publisher": "City of Tomball", "url": "https://www.tomballtx.gov/publicworks", "kind": "municipal", "authority": "primary", "supports": "Tomball Public Works handles city streets, drainage, water, sewer, gas, parks, and related public infrastructure services.", "limitations": "Does not establish responsibility or permit requirements for every private sidewalk, driveway, or slab.", "reviewedAt": "2026-07-24" } ] }, { "key": "page:project-brief", "contentType": "tool", "reviewedAt": "2026-07-24", "reviewerRole": "Editorial research review", "sourceIds": [ "texas-ag-home-improvement", "ftc-home-improvement", "aci-rap-11", "aci-slabjacking-course" ], "claims": [ { "claim": "A consistent project brief helps consumers collect comparable written estimates and gives providers the same surface, access, water, and constraint information.", "sourceIds": [ "texas-ag-home-improvement", "ftc-home-improvement", "aci-rap-11", "aci-slabjacking-course" ], "scope": "General decision support only. The cited material does not diagnose subsurface conditions, select a contractor, or guarantee an outcome for one property.", "sources": [ { "id": "texas-ag-home-improvement", "title": "How to Avoid Home Improvement Scams", "publisher": "Office of the Attorney General of Texas", "url": "https://www.texasattorneygeneral.gov/consumer-protection/home-real-estate-and-travel/how-avoid-home-improvement-scams", "limitations": "General consumer guidance, not legal advice for one contract or a statement that concrete leveling is a state-licensed trade." }, { "id": "ftc-home-improvement", "title": "How to Avoid a Home Improvement Scam", "publisher": "Federal Trade Commission", "url": "https://consumer.ftc.gov/articles/how-avoid-home-improvement-scam", "limitations": "General federal consumer guidance. State and local contract requirements can add obligations." }, { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property." }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab." } ] }, { "claim": "Using the same project facts and requested scope for each bidder makes method, exclusion, payment, and warranty differences easier to compare.", "sourceIds": [ "texas-ag-home-improvement", "ftc-home-improvement" ], "scope": "A project brief improves consistency but does not replace provider inspection, testing, contracting, or professional advice when required.", "sources": [ { "id": "texas-ag-home-improvement", "title": "How to Avoid Home Improvement Scams", "publisher": "Office of the Attorney General of Texas", "url": "https://www.texasattorneygeneral.gov/consumer-protection/home-real-estate-and-travel/how-avoid-home-improvement-scams", "limitations": "General consumer guidance, not legal advice for one contract or a statement that concrete leveling is a state-licensed trade." }, { "id": "ftc-home-improvement", "title": "How to Avoid a Home Improvement Scam", "publisher": "Federal Trade Commission", "url": "https://consumer.ftc.gov/articles/how-avoid-home-improvement-scam", "limitations": "General federal consumer guidance. State and local contract requirements can add obligations." } ] } ], "conversion": { "stage": "provider-aware", "primaryAction": "Generate and reuse a concrete-leveling project brief", "requestDetails": [ "Surface and dimensions", "Symptoms and water behavior", "Photos, access, constraints, timing, and decision role" ], "reassurance": "The tool stores the draft in the browser session until the user chooses to submit it." }, "editorialNotes": [], "sources": [ { "id": "texas-ag-home-improvement", "title": "How to Avoid Home Improvement Scams", "publisher": "Office of the Attorney General of Texas", "url": "https://www.texasattorneygeneral.gov/consumer-protection/home-real-estate-and-travel/how-avoid-home-improvement-scams", "kind": "consumer-guidance", "authority": "primary", "supports": "Texas consumers are advised to obtain multiple detailed written bids, read contracts carefully, include promises in writing, keep records, and avoid full payment before satisfactory completion.", "limitations": "General consumer guidance, not legal advice for one contract or a statement that concrete leveling is a state-licensed trade.", "reviewedAt": "2026-07-24" }, { "id": "ftc-home-improvement", "title": "How to Avoid a Home Improvement Scam", "publisher": "Federal Trade Commission", "url": "https://consumer.ftc.gov/articles/how-avoid-home-improvement-scam", "kind": "consumer-guidance", "authority": "primary", "supports": "Consumers should compare estimates, verify business and insurance information, read written contracts, and avoid paying the full project amount up front.", "limitations": "General federal consumer guidance. State and local contract requirements can add obligations.", "reviewedAt": "2026-07-24" }, { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "kind": "technical-guide", "authority": "primary", "supports": "Slabjacking is used to level and align slabs-on-ground affected by settlement, erosion, flooding, or shrinkage of supporting soil or base.", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property.", "reviewedAt": "2026-07-24" }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "kind": "technical-guide", "authority": "primary", "supports": "Appropriate repair selection, hole layouts, settlement mode, grout-pressure monitoring, and verification are core parts of slabjacking practice.", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab.", "reviewedAt": "2026-07-24" } ] }, { "key": "service:concrete-lifting", "contentType": "service", "reviewedAt": "2026-07-24", "reviewerRole": "Editorial research review", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "nrcs-web-soil-survey", "nws-houston-normals" ], "claims": [ { "claim": "Concrete lifting raises a settled slab by placing material beneath it. It can be considered when the slab is still usable but has lost support underneath.", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "nrcs-web-soil-survey", "nws-houston-normals" ], "scope": "General decision support only. The cited material does not diagnose subsurface conditions, select a contractor, or guarantee an outcome for one property.", "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property." }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab." }, { "id": "nrcs-web-soil-survey", "title": "Web Soil Survey", "publisher": "USDA Natural Resources Conservation Service", "url": "https://websoilsurvey.nrcs.usda.gov/", "limitations": "Mapped soil data cannot reveal exact fill, compaction, leaks, utilities, erosion, or support beneath one slab." }, { "id": "nws-houston-normals", "title": "Houston IAH climate normals and annual summaries", "publisher": "National Weather Service Houston/Galveston", "url": "https://www.weather.gov/hgx/climate_iah_normals_summary", "limitations": "IAH station normals are regional context, not Tomball parcel data or proof that weather caused one slab to move." } ] }, { "claim": "A provider should inspect the slab condition, the direction and amount of settlement, nearby drainage, joints, utilities, and the likely cause before recommending lifting or replacement.", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "nrcs-web-soil-survey", "nws-houston-normals" ], "scope": "This is an inspection and proposal framework, not proof that a particular slab is suitable for lifting or that one method will achieve the desired target.", "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property." }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab." }, { "id": "nrcs-web-soil-survey", "title": "Web Soil Survey", "publisher": "USDA Natural Resources Conservation Service", "url": "https://websoilsurvey.nrcs.usda.gov/", "limitations": "Mapped soil data cannot reveal exact fill, compaction, leaks, utilities, erosion, or support beneath one slab." }, { "id": "nws-houston-normals", "title": "Houston IAH climate normals and annual summaries", "publisher": "National Weather Service Houston/Galveston", "url": "https://www.weather.gov/hgx/climate_iah_normals_summary", "limitations": "IAH station normals are regional context, not Tomball parcel data or proof that weather caused one slab to move." } ] }, { "claim": "A useful inspection considers Whether the concrete is structurally intact enough to lift; The location of voids or unsupported areas; Drainage, downspouts, irrigation, and soil movement; Nearby foundations, plumbing, utilities, and expansion joints; The target elevation and whether lifting could affect adjoining surfaces.", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "nrcs-web-soil-survey", "nws-houston-normals" ], "scope": "The checklist combines general technical and decision criteria. The appropriate investigation, testing, and professional responsibility depend on the project.", "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property." }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab." }, { "id": "nrcs-web-soil-survey", "title": "Web Soil Survey", "publisher": "USDA Natural Resources Conservation Service", "url": "https://websoilsurvey.nrcs.usda.gov/", "limitations": "Mapped soil data cannot reveal exact fill, compaction, leaks, utilities, erosion, or support beneath one slab." }, { "id": "nws-houston-normals", "title": "Houston IAH climate normals and annual summaries", "publisher": "National Weather Service Houston/Galveston", "url": "https://www.weather.gov/hgx/climate_iah_normals_summary", "limitations": "IAH station normals are regional context, not Tomball parcel data or proof that weather caused one slab to move." } ] } ], "conversion": { "stage": "ready-to-request", "primaryAction": "Request a concrete lifting assessment", "requestDetails": [ "Which slab or panels are affected", "The observed movement, cracks, water, and fixed constraints", "Photos, ZIP, access, and desired timing" ], "reassurance": "No obligation. A request is reviewed for project and coverage fit before it can be shared with one independent provider." }, "editorialNotes": [ "Do not publish a universal price, cure time, lifespan, or method winner.", "Product-specific claims require the named manufacturer document or demonstration and visible limitation language." ], "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "kind": "technical-guide", "authority": "primary", "supports": "Slabjacking is used to level and align slabs-on-ground affected by settlement, erosion, flooding, or shrinkage of supporting soil or base.", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property.", "reviewedAt": "2026-07-24" }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "kind": "technical-guide", "authority": "primary", "supports": "Appropriate repair selection, hole layouts, settlement mode, grout-pressure monitoring, and verification are core parts of slabjacking practice.", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab.", "reviewedAt": "2026-07-24" }, { "id": "nrcs-web-soil-survey", "title": "Web Soil Survey", "publisher": "USDA Natural Resources Conservation Service", "url": "https://websoilsurvey.nrcs.usda.gov/", "kind": "government", "authority": "primary", "supports": "Official mapped soil information and interpretations can provide regional and property-area context.", "limitations": "Mapped soil data cannot reveal exact fill, compaction, leaks, utilities, erosion, or support beneath one slab.", "reviewedAt": "2026-07-24" }, { "id": "nws-houston-normals", "title": "Houston IAH climate normals and annual summaries", "publisher": "National Weather Service Houston/Galveston", "url": "https://www.weather.gov/hgx/climate_iah_normals_summary", "kind": "government", "authority": "primary", "supports": "Houston-area climate normals document substantial annual rainfall and seasonal temperature conditions relevant to regional drainage context.", "limitations": "IAH station normals are regional context, not Tomball parcel data or proof that weather caused one slab to move.", "reviewedAt": "2026-07-24" } ] }, { "key": "service:driveway-leveling", "contentType": "service", "reviewedAt": "2026-07-24", "reviewerRole": "Editorial research review", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "nrcs-web-soil-survey", "nws-houston-normals" ], "claims": [ { "claim": "Driveway leveling can raise intact sections that have settled at the garage, sidewalk, street approach, or between control joints.", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "nrcs-web-soil-survey", "nws-houston-normals" ], "scope": "General decision support only. The cited material does not diagnose subsurface conditions, select a contractor, or guarantee an outcome for one property.", "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property." }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab." }, { "id": "nrcs-web-soil-survey", "title": "Web Soil Survey", "publisher": "USDA Natural Resources Conservation Service", "url": "https://websoilsurvey.nrcs.usda.gov/", "limitations": "Mapped soil data cannot reveal exact fill, compaction, leaks, utilities, erosion, or support beneath one slab." }, { "id": "nws-houston-normals", "title": "Houston IAH climate normals and annual summaries", "publisher": "National Weather Service Houston/Galveston", "url": "https://www.weather.gov/hgx/climate_iah_normals_summary", "limitations": "IAH station normals are regional context, not Tomball parcel data or proof that weather caused one slab to move." } ] }, { "claim": "The inspection should distinguish settlement from surface wear, structural cracking, root pressure, washout, or a failing base. The garage threshold and drainage direction deserve special attention.", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "nrcs-web-soil-survey", "nws-houston-normals" ], "scope": "This is an inspection and proposal framework, not proof that a particular slab is suitable for lifting or that one method will achieve the desired target.", "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property." }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab." }, { "id": "nrcs-web-soil-survey", "title": "Web Soil Survey", "publisher": "USDA Natural Resources Conservation Service", "url": "https://websoilsurvey.nrcs.usda.gov/", "limitations": "Mapped soil data cannot reveal exact fill, compaction, leaks, utilities, erosion, or support beneath one slab." }, { "id": "nws-houston-normals", "title": "Houston IAH climate normals and annual summaries", "publisher": "National Weather Service Houston/Galveston", "url": "https://www.weather.gov/hgx/climate_iah_normals_summary", "limitations": "IAH station normals are regional context, not Tomball parcel data or proof that weather caused one slab to move." } ] }, { "claim": "A useful inspection considers Condition of each panel and control joint; Garage slab, foundation edge, and threshold clearance; Street approach and public-right-of-way boundaries; Drainage direction and nearby downspouts; Vehicle loading and expected return-to-use time.", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "nrcs-web-soil-survey", "nws-houston-normals" ], "scope": "The checklist combines general technical and decision criteria. The appropriate investigation, testing, and professional responsibility depend on the project.", "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property." }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab." }, { "id": "nrcs-web-soil-survey", "title": "Web Soil Survey", "publisher": "USDA Natural Resources Conservation Service", "url": "https://websoilsurvey.nrcs.usda.gov/", "limitations": "Mapped soil data cannot reveal exact fill, compaction, leaks, utilities, erosion, or support beneath one slab." }, { "id": "nws-houston-normals", "title": "Houston IAH climate normals and annual summaries", "publisher": "National Weather Service Houston/Galveston", "url": "https://www.weather.gov/hgx/climate_iah_normals_summary", "limitations": "IAH station normals are regional context, not Tomball parcel data or proof that weather caused one slab to move." } ] } ], "conversion": { "stage": "ready-to-request", "primaryAction": "Request a driveway leveling assessment", "requestDetails": [ "Which slab or panels are affected", "The observed movement, cracks, water, and fixed constraints", "Photos, ZIP, access, and desired timing" ], "reassurance": "No obligation. A request is reviewed for project and coverage fit before it can be shared with one independent provider." }, "editorialNotes": [ "Do not publish a universal price, cure time, lifespan, or method winner.", "Product-specific claims require the named manufacturer document or demonstration and visible limitation language." ], "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "kind": "technical-guide", "authority": "primary", "supports": "Slabjacking is used to level and align slabs-on-ground affected by settlement, erosion, flooding, or shrinkage of supporting soil or base.", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property.", "reviewedAt": "2026-07-24" }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "kind": "technical-guide", "authority": "primary", "supports": "Appropriate repair selection, hole layouts, settlement mode, grout-pressure monitoring, and verification are core parts of slabjacking practice.", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab.", "reviewedAt": "2026-07-24" }, { "id": "nrcs-web-soil-survey", "title": "Web Soil Survey", "publisher": "USDA Natural Resources Conservation Service", "url": "https://websoilsurvey.nrcs.usda.gov/", "kind": "government", "authority": "primary", "supports": "Official mapped soil information and interpretations can provide regional and property-area context.", "limitations": "Mapped soil data cannot reveal exact fill, compaction, leaks, utilities, erosion, or support beneath one slab.", "reviewedAt": "2026-07-24" }, { "id": "nws-houston-normals", "title": "Houston IAH climate normals and annual summaries", "publisher": "National Weather Service Houston/Galveston", "url": "https://www.weather.gov/hgx/climate_iah_normals_summary", "kind": "government", "authority": "primary", "supports": "Houston-area climate normals document substantial annual rainfall and seasonal temperature conditions relevant to regional drainage context.", "limitations": "IAH station normals are regional context, not Tomball parcel data or proof that weather caused one slab to move.", "reviewedAt": "2026-07-24" } ] }, { "key": "service:sidewalk-leveling", "contentType": "service", "reviewedAt": "2026-07-24", "reviewerRole": "Editorial research review", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "nrcs-web-soil-survey", "nws-houston-normals", "ada-level-changes", "osha-walking-surfaces" ], "claims": [ { "claim": "Sidewalk leveling addresses vertical differences between otherwise usable panels. It may improve walking surfaces without removing every slab.", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "nrcs-web-soil-survey", "nws-houston-normals", "ada-level-changes", "osha-walking-surfaces" ], "scope": "General decision support only. The cited material does not diagnose subsurface conditions, select a contractor, or guarantee an outcome for one property.", "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property." }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab." }, { "id": "nrcs-web-soil-survey", "title": "Web Soil Survey", "publisher": "USDA Natural Resources Conservation Service", "url": "https://websoilsurvey.nrcs.usda.gov/", "limitations": "Mapped soil data cannot reveal exact fill, compaction, leaks, utilities, erosion, or support beneath one slab." }, { "id": "nws-houston-normals", "title": "Houston IAH climate normals and annual summaries", "publisher": "National Weather Service Houston/Galveston", "url": "https://www.weather.gov/hgx/climate_iah_normals_summary", "limitations": "IAH station normals are regional context, not Tomball parcel data or proof that weather caused one slab to move." }, { "id": "ada-level-changes", "title": "2010 ADA Standards for Accessible Design, Section 303", "publisher": "U.S. Department of Justice", "url": "https://www.ada.gov/law-and-regs/design-standards/2010-stds/", "limitations": "Applicability depends on facility, route, alteration, and law. This site does not provide legal or accessibility certification." }, { "id": "osha-walking-surfaces", "title": "29 CFR 1910.22: General requirements for walking-working surfaces", "publisher": "Occupational Safety and Health Administration", "url": "https://www.osha.gov/laws-regs/regulations/standardnumber/1910/1910.22", "limitations": "Workplace rule, not a universal residential standard or a substitute for project-specific safety and legal review." } ] }, { "claim": "Ownership and maintenance responsibility can vary when a walk crosses a right-of-way, common area, rental property, or commercial site. Confirm responsibility before authorizing work.", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "nrcs-web-soil-survey", "nws-houston-normals", "ada-level-changes", "osha-walking-surfaces" ], "scope": "This is an inspection and proposal framework, not proof that a particular slab is suitable for lifting or that one method will achieve the desired target.", "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property." }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab." }, { "id": "nrcs-web-soil-survey", "title": "Web Soil Survey", "publisher": "USDA Natural Resources Conservation Service", "url": "https://websoilsurvey.nrcs.usda.gov/", "limitations": "Mapped soil data cannot reveal exact fill, compaction, leaks, utilities, erosion, or support beneath one slab." }, { "id": "nws-houston-normals", "title": "Houston IAH climate normals and annual summaries", "publisher": "National Weather Service Houston/Galveston", "url": "https://www.weather.gov/hgx/climate_iah_normals_summary", "limitations": "IAH station normals are regional context, not Tomball parcel data or proof that weather caused one slab to move." }, { "id": "ada-level-changes", "title": "2010 ADA Standards for Accessible Design, Section 303", "publisher": "U.S. Department of Justice", "url": "https://www.ada.gov/law-and-regs/design-standards/2010-stds/", "limitations": "Applicability depends on facility, route, alteration, and law. This site does not provide legal or accessibility certification." }, { "id": "osha-walking-surfaces", "title": "29 CFR 1910.22: General requirements for walking-working surfaces", "publisher": "Occupational Safety and Health Administration", "url": "https://www.osha.gov/laws-regs/regulations/standardnumber/1910/1910.22", "limitations": "Workplace rule, not a universal residential standard or a substitute for project-specific safety and legal review." } ] }, { "claim": "A useful inspection considers Panel condition and vertical displacement; Roots, utility covers, irrigation, and drainage; Property line and right-of-way responsibility; Accessibility needs and surrounding transitions; Whether lifting, grinding, replacement, or a combination makes sense.", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "nrcs-web-soil-survey", "nws-houston-normals", "ada-level-changes", "osha-walking-surfaces" ], "scope": "The checklist combines general technical and decision criteria. The appropriate investigation, testing, and professional responsibility depend on the project.", "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property." }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab." }, { "id": "nrcs-web-soil-survey", "title": "Web Soil Survey", "publisher": "USDA Natural Resources Conservation Service", "url": "https://websoilsurvey.nrcs.usda.gov/", "limitations": "Mapped soil data cannot reveal exact fill, compaction, leaks, utilities, erosion, or support beneath one slab." }, { "id": "nws-houston-normals", "title": "Houston IAH climate normals and annual summaries", "publisher": "National Weather Service Houston/Galveston", "url": "https://www.weather.gov/hgx/climate_iah_normals_summary", "limitations": "IAH station normals are regional context, not Tomball parcel data or proof that weather caused one slab to move." }, { "id": "ada-level-changes", "title": "2010 ADA Standards for Accessible Design, Section 303", "publisher": "U.S. Department of Justice", "url": "https://www.ada.gov/law-and-regs/design-standards/2010-stds/", "limitations": "Applicability depends on facility, route, alteration, and law. This site does not provide legal or accessibility certification." }, { "id": "osha-walking-surfaces", "title": "29 CFR 1910.22: General requirements for walking-working surfaces", "publisher": "Occupational Safety and Health Administration", "url": "https://www.osha.gov/laws-regs/regulations/standardnumber/1910/1910.22", "limitations": "Workplace rule, not a universal residential standard or a substitute for project-specific safety and legal review." } ] } ], "conversion": { "stage": "ready-to-request", "primaryAction": "Request a sidewalk leveling assessment", "requestDetails": [ "Which slab or panels are affected", "The observed movement, cracks, water, and fixed constraints", "Photos, ZIP, access, and desired timing" ], "reassurance": "No obligation. A request is reviewed for project and coverage fit before it can be shared with one independent provider." }, "editorialNotes": [ "Do not publish a universal price, cure time, lifespan, or method winner.", "Product-specific claims require the named manufacturer document or demonstration and visible limitation language." ], "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "kind": "technical-guide", "authority": "primary", "supports": "Slabjacking is used to level and align slabs-on-ground affected by settlement, erosion, flooding, or shrinkage of supporting soil or base.", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property.", "reviewedAt": "2026-07-24" }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "kind": "technical-guide", "authority": "primary", "supports": "Appropriate repair selection, hole layouts, settlement mode, grout-pressure monitoring, and verification are core parts of slabjacking practice.", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab.", "reviewedAt": "2026-07-24" }, { "id": "nrcs-web-soil-survey", "title": "Web Soil Survey", "publisher": "USDA Natural Resources Conservation Service", "url": "https://websoilsurvey.nrcs.usda.gov/", "kind": "government", "authority": "primary", "supports": "Official mapped soil information and interpretations can provide regional and property-area context.", "limitations": "Mapped soil data cannot reveal exact fill, compaction, leaks, utilities, erosion, or support beneath one slab.", "reviewedAt": "2026-07-24" }, { "id": "nws-houston-normals", "title": "Houston IAH climate normals and annual summaries", "publisher": "National Weather Service Houston/Galveston", "url": "https://www.weather.gov/hgx/climate_iah_normals_summary", "kind": "government", "authority": "primary", "supports": "Houston-area climate normals document substantial annual rainfall and seasonal temperature conditions relevant to regional drainage context.", "limitations": "IAH station normals are regional context, not Tomball parcel data or proof that weather caused one slab to move.", "reviewedAt": "2026-07-24" }, { "id": "ada-level-changes", "title": "2010 ADA Standards for Accessible Design, Section 303", "publisher": "U.S. Department of Justice", "url": "https://www.ada.gov/law-and-regs/design-standards/2010-stds/", "kind": "standard", "authority": "primary", "supports": "For covered facilities, Section 303 limits vertical and beveled changes in level and requires larger changes to comply with ramp or curb-ramp provisions.", "limitations": "Applicability depends on facility, route, alteration, and law. This site does not provide legal or accessibility certification.", "reviewedAt": "2026-07-24" }, { "id": "osha-walking-surfaces", "title": "29 CFR 1910.22: General requirements for walking-working surfaces", "publisher": "Occupational Safety and Health Administration", "url": "https://www.osha.gov/laws-regs/regulations/standardnumber/1910/1910.22", "kind": "standard", "authority": "primary", "supports": "General-industry employers must maintain walking-working surfaces, inspect them, correct hazards, and ensure they support intended loads.", "limitations": "Workplace rule, not a universal residential standard or a substitute for project-specific safety and legal review.", "reviewedAt": "2026-07-24" } ] }, { "key": "service:patio-leveling", "contentType": "service", "reviewedAt": "2026-07-24", "reviewerRole": "Editorial research review", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "nrcs-web-soil-survey", "nws-houston-normals" ], "claims": [ { "claim": "Patio leveling may raise intact concrete that has settled toward the house, away from drains, or below an adjoining slab.", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "nrcs-web-soil-survey", "nws-houston-normals" ], "scope": "General decision support only. The cited material does not diagnose subsurface conditions, select a contractor, or guarantee an outcome for one property.", "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property." }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab." }, { "id": "nrcs-web-soil-survey", "title": "Web Soil Survey", "publisher": "USDA Natural Resources Conservation Service", "url": "https://websoilsurvey.nrcs.usda.gov/", "limitations": "Mapped soil data cannot reveal exact fill, compaction, leaks, utilities, erosion, or support beneath one slab." }, { "id": "nws-houston-normals", "title": "Houston IAH climate normals and annual summaries", "publisher": "National Weather Service Houston/Galveston", "url": "https://www.weather.gov/hgx/climate_iah_normals_summary", "limitations": "IAH station normals are regional context, not Tomball parcel data or proof that weather caused one slab to move." } ] }, { "claim": "Patios often involve doors, foundations, covers, posts, drains, and landscaping. A useful proposal explains how those fixed points limit the possible lift.", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "nrcs-web-soil-survey", "nws-houston-normals" ], "scope": "This is an inspection and proposal framework, not proof that a particular slab is suitable for lifting or that one method will achieve the desired target.", "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property." }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab." }, { "id": "nrcs-web-soil-survey", "title": "Web Soil Survey", "publisher": "USDA Natural Resources Conservation Service", "url": "https://websoilsurvey.nrcs.usda.gov/", "limitations": "Mapped soil data cannot reveal exact fill, compaction, leaks, utilities, erosion, or support beneath one slab." }, { "id": "nws-houston-normals", "title": "Houston IAH climate normals and annual summaries", "publisher": "National Weather Service Houston/Galveston", "url": "https://www.weather.gov/hgx/climate_iah_normals_summary", "limitations": "IAH station normals are regional context, not Tomball parcel data or proof that weather caused one slab to move." } ] }, { "claim": "A useful inspection considers Door, foundation, and siding clearances; Patio-cover posts and attached structures; Drains, downspouts, beds, and irrigation; Crack pattern and slab integrity; Desired slope after lifting.", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "nrcs-web-soil-survey", "nws-houston-normals" ], "scope": "The checklist combines general technical and decision criteria. The appropriate investigation, testing, and professional responsibility depend on the project.", "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property." }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab." }, { "id": "nrcs-web-soil-survey", "title": "Web Soil Survey", "publisher": "USDA Natural Resources Conservation Service", "url": "https://websoilsurvey.nrcs.usda.gov/", "limitations": "Mapped soil data cannot reveal exact fill, compaction, leaks, utilities, erosion, or support beneath one slab." }, { "id": "nws-houston-normals", "title": "Houston IAH climate normals and annual summaries", "publisher": "National Weather Service Houston/Galveston", "url": "https://www.weather.gov/hgx/climate_iah_normals_summary", "limitations": "IAH station normals are regional context, not Tomball parcel data or proof that weather caused one slab to move." } ] } ], "conversion": { "stage": "ready-to-request", "primaryAction": "Request a patio leveling assessment", "requestDetails": [ "Which slab or panels are affected", "The observed movement, cracks, water, and fixed constraints", "Photos, ZIP, access, and desired timing" ], "reassurance": "No obligation. A request is reviewed for project and coverage fit before it can be shared with one independent provider." }, "editorialNotes": [ "Do not publish a universal price, cure time, lifespan, or method winner.", "Product-specific claims require the named manufacturer document or demonstration and visible limitation language." ], "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "kind": "technical-guide", "authority": "primary", "supports": "Slabjacking is used to level and align slabs-on-ground affected by settlement, erosion, flooding, or shrinkage of supporting soil or base.", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property.", "reviewedAt": "2026-07-24" }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "kind": "technical-guide", "authority": "primary", "supports": "Appropriate repair selection, hole layouts, settlement mode, grout-pressure monitoring, and verification are core parts of slabjacking practice.", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab.", "reviewedAt": "2026-07-24" }, { "id": "nrcs-web-soil-survey", "title": "Web Soil Survey", "publisher": "USDA Natural Resources Conservation Service", "url": "https://websoilsurvey.nrcs.usda.gov/", "kind": "government", "authority": "primary", "supports": "Official mapped soil information and interpretations can provide regional and property-area context.", "limitations": "Mapped soil data cannot reveal exact fill, compaction, leaks, utilities, erosion, or support beneath one slab.", "reviewedAt": "2026-07-24" }, { "id": "nws-houston-normals", "title": "Houston IAH climate normals and annual summaries", "publisher": "National Weather Service Houston/Galveston", "url": "https://www.weather.gov/hgx/climate_iah_normals_summary", "kind": "government", "authority": "primary", "supports": "Houston-area climate normals document substantial annual rainfall and seasonal temperature conditions relevant to regional drainage context.", "limitations": "IAH station normals are regional context, not Tomball parcel data or proof that weather caused one slab to move.", "reviewedAt": "2026-07-24" } ] }, { "key": "service:pool-deck-leveling", "contentType": "service", "reviewedAt": "2026-07-24", "reviewerRole": "Editorial research review", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "nrcs-web-soil-survey", "nws-houston-normals", "icc-ispsc-decks", "cdc-mahc", "cpsc-pool-safety", "ada-accessible-pools" ], "claims": [ { "claim": "Pool-deck leveling can address settled sections when lifting can be performed without damaging the pool shell, coping, plumbing, drains, or adjacent finishes.", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "nrcs-web-soil-survey", "nws-houston-normals", "icc-ispsc-decks", "cdc-mahc", "cpsc-pool-safety", "ada-accessible-pools" ], "scope": "General decision support only. The cited material does not diagnose subsurface conditions, select a contractor, or guarantee an outcome for one property.", "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property." }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab." }, { "id": "nrcs-web-soil-survey", "title": "Web Soil Survey", "publisher": "USDA Natural Resources Conservation Service", "url": "https://websoilsurvey.nrcs.usda.gov/", "limitations": "Mapped soil data cannot reveal exact fill, compaction, leaks, utilities, erosion, or support beneath one slab." }, { "id": "nws-houston-normals", "title": "Houston IAH climate normals and annual summaries", "publisher": "National Weather Service Houston/Galveston", "url": "https://www.weather.gov/hgx/climate_iah_normals_summary", "limitations": "IAH station normals are regional context, not Tomball parcel data or proof that weather caused one slab to move." }, { "id": "icc-ispsc-decks", "title": "2024 International Swimming Pool and Spa Code, Chapter 3", "publisher": "International Code Council", "url": "https://codes.iccsafe.org/content/ISPSC2024P1/chapter-3-general-compliance", "limitations": "A model code. Confirm the adopted local code, amendments, project type, and jurisdiction before relying on a requirement." }, { "id": "cdc-mahc", "title": "About the Model Aquatic Health Code", "publisher": "Centers for Disease Control and Prevention", "url": "https://www.cdc.gov/model-aquatic-health-code/index.html", "limitations": "CDC guidance, not federal law. It becomes enforceable only when adopted by a jurisdiction." }, { "id": "cpsc-pool-safety", "title": "CPSC Advises Consumers on Swimming Pool Safety", "publisher": "U.S. Consumer Product Safety Commission", "url": "https://www.cpsc.gov/Newsroom/News-Releases/1976/CPSC-Advises-Consumers-On-Swimming-Pool-Safety", "limitations": "General consumer safety guidance, not a current local building-code determination or repair specification." }, { "id": "ada-accessible-pools", "title": "ADA Requirements: Accessible Pools, Means of Entry and Exit", "publisher": "U.S. Department of Justice", "url": "https://www.ada.gov/resources/accessible-pools-requirements/", "limitations": "Does not prescribe a concrete-lifting method or certify a finished pool deck." } ] }, { "claim": "Pool areas require cautious measurements. The repair plan should identify the pool structure, coping, skimmers, drains, buried lines, deck joints, and any bonded finishes before work starts.", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "nrcs-web-soil-survey", "nws-houston-normals", "icc-ispsc-decks", "cdc-mahc", "cpsc-pool-safety", "ada-accessible-pools" ], "scope": "This is an inspection and proposal framework, not proof that a particular slab is suitable for lifting or that one method will achieve the desired target.", "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property." }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab." }, { "id": "nrcs-web-soil-survey", "title": "Web Soil Survey", "publisher": "USDA Natural Resources Conservation Service", "url": "https://websoilsurvey.nrcs.usda.gov/", "limitations": "Mapped soil data cannot reveal exact fill, compaction, leaks, utilities, erosion, or support beneath one slab." }, { "id": "nws-houston-normals", "title": "Houston IAH climate normals and annual summaries", "publisher": "National Weather Service Houston/Galveston", "url": "https://www.weather.gov/hgx/climate_iah_normals_summary", "limitations": "IAH station normals are regional context, not Tomball parcel data or proof that weather caused one slab to move." }, { "id": "icc-ispsc-decks", "title": "2024 International Swimming Pool and Spa Code, Chapter 3", "publisher": "International Code Council", "url": "https://codes.iccsafe.org/content/ISPSC2024P1/chapter-3-general-compliance", "limitations": "A model code. Confirm the adopted local code, amendments, project type, and jurisdiction before relying on a requirement." }, { "id": "cdc-mahc", "title": "About the Model Aquatic Health Code", "publisher": "Centers for Disease Control and Prevention", "url": "https://www.cdc.gov/model-aquatic-health-code/index.html", "limitations": "CDC guidance, not federal law. It becomes enforceable only when adopted by a jurisdiction." }, { "id": "cpsc-pool-safety", "title": "CPSC Advises Consumers on Swimming Pool Safety", "publisher": "U.S. Consumer Product Safety Commission", "url": "https://www.cpsc.gov/Newsroom/News-Releases/1976/CPSC-Advises-Consumers-On-Swimming-Pool-Safety", "limitations": "General consumer safety guidance, not a current local building-code determination or repair specification." }, { "id": "ada-accessible-pools", "title": "ADA Requirements: Accessible Pools, Means of Entry and Exit", "publisher": "U.S. Department of Justice", "url": "https://www.ada.gov/resources/accessible-pools-requirements/", "limitations": "Does not prescribe a concrete-lifting method or certify a finished pool deck." } ] }, { "claim": "A useful inspection considers Pool shell, coping, expansion joint, and deck relationship; Skimmers, returns, drains, and known plumbing routes; Surface coating or overlay condition; Drainage targets and safe walking transitions; Whether a pool specialist should be involved.", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "nrcs-web-soil-survey", "nws-houston-normals", "icc-ispsc-decks", "cdc-mahc", "cpsc-pool-safety", "ada-accessible-pools" ], "scope": "The checklist combines general technical and decision criteria. The appropriate investigation, testing, and professional responsibility depend on the project.", "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property." }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab." }, { "id": "nrcs-web-soil-survey", "title": "Web Soil Survey", "publisher": "USDA Natural Resources Conservation Service", "url": "https://websoilsurvey.nrcs.usda.gov/", "limitations": "Mapped soil data cannot reveal exact fill, compaction, leaks, utilities, erosion, or support beneath one slab." }, { "id": "nws-houston-normals", "title": "Houston IAH climate normals and annual summaries", "publisher": "National Weather Service Houston/Galveston", "url": "https://www.weather.gov/hgx/climate_iah_normals_summary", "limitations": "IAH station normals are regional context, not Tomball parcel data or proof that weather caused one slab to move." }, { "id": "icc-ispsc-decks", "title": "2024 International Swimming Pool and Spa Code, Chapter 3", "publisher": "International Code Council", "url": "https://codes.iccsafe.org/content/ISPSC2024P1/chapter-3-general-compliance", "limitations": "A model code. Confirm the adopted local code, amendments, project type, and jurisdiction before relying on a requirement." }, { "id": "cdc-mahc", "title": "About the Model Aquatic Health Code", "publisher": "Centers for Disease Control and Prevention", "url": "https://www.cdc.gov/model-aquatic-health-code/index.html", "limitations": "CDC guidance, not federal law. It becomes enforceable only when adopted by a jurisdiction." }, { "id": "cpsc-pool-safety", "title": "CPSC Advises Consumers on Swimming Pool Safety", "publisher": "U.S. Consumer Product Safety Commission", "url": "https://www.cpsc.gov/Newsroom/News-Releases/1976/CPSC-Advises-Consumers-On-Swimming-Pool-Safety", "limitations": "General consumer safety guidance, not a current local building-code determination or repair specification." }, { "id": "ada-accessible-pools", "title": "ADA Requirements: Accessible Pools, Means of Entry and Exit", "publisher": "U.S. Department of Justice", "url": "https://www.ada.gov/resources/accessible-pools-requirements/", "limitations": "Does not prescribe a concrete-lifting method or certify a finished pool deck." } ] } ], "conversion": { "stage": "ready-to-request", "primaryAction": "Request a pool deck leveling assessment", "requestDetails": [ "Which slab or panels are affected", "The observed movement, cracks, water, and fixed constraints", "Photos, ZIP, access, and desired timing" ], "reassurance": "No obligation. A request is reviewed for project and coverage fit before it can be shared with one independent provider." }, "editorialNotes": [ "Do not publish a universal price, cure time, lifespan, or method winner.", "Product-specific claims require the named manufacturer document or demonstration and visible limitation language." ], "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "kind": "technical-guide", "authority": "primary", "supports": "Slabjacking is used to level and align slabs-on-ground affected by settlement, erosion, flooding, or shrinkage of supporting soil or base.", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property.", "reviewedAt": "2026-07-24" }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "kind": "technical-guide", "authority": "primary", "supports": "Appropriate repair selection, hole layouts, settlement mode, grout-pressure monitoring, and verification are core parts of slabjacking practice.", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab.", "reviewedAt": "2026-07-24" }, { "id": "nrcs-web-soil-survey", "title": "Web Soil Survey", "publisher": "USDA Natural Resources Conservation Service", "url": "https://websoilsurvey.nrcs.usda.gov/", "kind": "government", "authority": "primary", "supports": "Official mapped soil information and interpretations can provide regional and property-area context.", "limitations": "Mapped soil data cannot reveal exact fill, compaction, leaks, utilities, erosion, or support beneath one slab.", "reviewedAt": "2026-07-24" }, { "id": "nws-houston-normals", "title": "Houston IAH climate normals and annual summaries", "publisher": "National Weather Service Houston/Galveston", "url": "https://www.weather.gov/hgx/climate_iah_normals_summary", "kind": "government", "authority": "primary", "supports": "Houston-area climate normals document substantial annual rainfall and seasonal temperature conditions relevant to regional drainage context.", "limitations": "IAH station normals are regional context, not Tomball parcel data or proof that weather caused one slab to move.", "reviewedAt": "2026-07-24" }, { "id": "icc-ispsc-decks", "title": "2024 International Swimming Pool and Spa Code, Chapter 3", "publisher": "International Code Council", "url": "https://codes.iccsafe.org/content/ISPSC2024P1/chapter-3-general-compliance", "kind": "standard", "authority": "primary", "supports": "Model-code provisions address pool-deck slope, drainage, gaps, and transitions.", "limitations": "A model code. Confirm the adopted local code, amendments, project type, and jurisdiction before relying on a requirement.", "reviewedAt": "2026-07-24" }, { "id": "cdc-mahc", "title": "About the Model Aquatic Health Code", "publisher": "Centers for Disease Control and Prevention", "url": "https://www.cdc.gov/model-aquatic-health-code/index.html", "kind": "government", "authority": "primary", "supports": "The MAHC provides science-based guidance for public aquatic venues, including pools at hotels, apartment complexes, homeowners associations, schools, clubs, and waterparks.", "limitations": "CDC guidance, not federal law. It becomes enforceable only when adopted by a jurisdiction.", "reviewedAt": "2026-07-24" }, { "id": "cpsc-pool-safety", "title": "CPSC Advises Consumers on Swimming Pool Safety", "publisher": "U.S. Consumer Product Safety Commission", "url": "https://www.cpsc.gov/Newsroom/News-Releases/1976/CPSC-Advises-Consumers-On-Swimming-Pool-Safety", "kind": "government", "authority": "primary", "supports": "CPSC consumer guidance recommends non-slip materials around pools and attention to safe pool construction and maintenance.", "limitations": "General consumer safety guidance, not a current local building-code determination or repair specification.", "reviewedAt": "2026-07-24" }, { "id": "ada-accessible-pools", "title": "ADA Requirements: Accessible Pools, Means of Entry and Exit", "publisher": "U.S. Department of Justice", "url": "https://www.ada.gov/resources/accessible-pools-requirements/", "kind": "government", "authority": "primary", "supports": "Public entities and public accommodations can have accessibility obligations for swimming pools and related routes.", "limitations": "Does not prescribe a concrete-lifting method or certify a finished pool deck.", "reviewedAt": "2026-07-24" } ] }, { "key": "service:garage-apron-leveling", "contentType": "service", "reviewedAt": "2026-07-24", "reviewerRole": "Editorial research review", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "nrcs-web-soil-survey", "nws-houston-normals" ], "claims": [ { "claim": "Garage apron leveling raises the exterior driveway section near the garage when settlement creates a drop, bump, drainage problem, or vehicle clearance issue.", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "nrcs-web-soil-survey", "nws-houston-normals" ], "scope": "General decision support only. The cited material does not diagnose subsurface conditions, select a contractor, or guarantee an outcome for one property.", "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property." }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab." }, { "id": "nrcs-web-soil-survey", "title": "Web Soil Survey", "publisher": "USDA Natural Resources Conservation Service", "url": "https://websoilsurvey.nrcs.usda.gov/", "limitations": "Mapped soil data cannot reveal exact fill, compaction, leaks, utilities, erosion, or support beneath one slab." }, { "id": "nws-houston-normals", "title": "Houston IAH climate normals and annual summaries", "publisher": "National Weather Service Houston/Galveston", "url": "https://www.weather.gov/hgx/climate_iah_normals_summary", "limitations": "IAH station normals are regional context, not Tomball parcel data or proof that weather caused one slab to move." } ] }, { "claim": "The garage slab and house foundation are fixed reference points. The repair should target the exterior panel without transferring unwanted pressure to the structure or blocking drainage.", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "nrcs-web-soil-survey", "nws-houston-normals" ], "scope": "This is an inspection and proposal framework, not proof that a particular slab is suitable for lifting or that one method will achieve the desired target.", "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property." }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab." }, { "id": "nrcs-web-soil-survey", "title": "Web Soil Survey", "publisher": "USDA Natural Resources Conservation Service", "url": "https://websoilsurvey.nrcs.usda.gov/", "limitations": "Mapped soil data cannot reveal exact fill, compaction, leaks, utilities, erosion, or support beneath one slab." }, { "id": "nws-houston-normals", "title": "Houston IAH climate normals and annual summaries", "publisher": "National Weather Service Houston/Galveston", "url": "https://www.weather.gov/hgx/climate_iah_normals_summary", "limitations": "IAH station normals are regional context, not Tomball parcel data or proof that weather caused one slab to move." } ] }, { "claim": "A useful inspection considers Garage floor, threshold, foundation edge, and door clearance; Driveway panel joints and crack condition; Drainage across the full driveway; Void location and injection access; Vehicle use and required return-to-service timing.", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "nrcs-web-soil-survey", "nws-houston-normals" ], "scope": "The checklist combines general technical and decision criteria. The appropriate investigation, testing, and professional responsibility depend on the project.", "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property." }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab." }, { "id": "nrcs-web-soil-survey", "title": "Web Soil Survey", "publisher": "USDA Natural Resources Conservation Service", "url": "https://websoilsurvey.nrcs.usda.gov/", "limitations": "Mapped soil data cannot reveal exact fill, compaction, leaks, utilities, erosion, or support beneath one slab." }, { "id": "nws-houston-normals", "title": "Houston IAH climate normals and annual summaries", "publisher": "National Weather Service Houston/Galveston", "url": "https://www.weather.gov/hgx/climate_iah_normals_summary", "limitations": "IAH station normals are regional context, not Tomball parcel data or proof that weather caused one slab to move." } ] } ], "conversion": { "stage": "ready-to-request", "primaryAction": "Request a garage apron leveling assessment", "requestDetails": [ "Which slab or panels are affected", "The observed movement, cracks, water, and fixed constraints", "Photos, ZIP, access, and desired timing" ], "reassurance": "No obligation. A request is reviewed for project and coverage fit before it can be shared with one independent provider." }, "editorialNotes": [ "Do not publish a universal price, cure time, lifespan, or method winner.", "Product-specific claims require the named manufacturer document or demonstration and visible limitation language." ], "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "kind": "technical-guide", "authority": "primary", "supports": "Slabjacking is used to level and align slabs-on-ground affected by settlement, erosion, flooding, or shrinkage of supporting soil or base.", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property.", "reviewedAt": "2026-07-24" }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "kind": "technical-guide", "authority": "primary", "supports": "Appropriate repair selection, hole layouts, settlement mode, grout-pressure monitoring, and verification are core parts of slabjacking practice.", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab.", "reviewedAt": "2026-07-24" }, { "id": "nrcs-web-soil-survey", "title": "Web Soil Survey", "publisher": "USDA Natural Resources Conservation Service", "url": "https://websoilsurvey.nrcs.usda.gov/", "kind": "government", "authority": "primary", "supports": "Official mapped soil information and interpretations can provide regional and property-area context.", "limitations": "Mapped soil data cannot reveal exact fill, compaction, leaks, utilities, erosion, or support beneath one slab.", "reviewedAt": "2026-07-24" }, { "id": "nws-houston-normals", "title": "Houston IAH climate normals and annual summaries", "publisher": "National Weather Service Houston/Galveston", "url": "https://www.weather.gov/hgx/climate_iah_normals_summary", "kind": "government", "authority": "primary", "supports": "Houston-area climate normals document substantial annual rainfall and seasonal temperature conditions relevant to regional drainage context.", "limitations": "IAH station normals are regional context, not Tomball parcel data or proof that weather caused one slab to move.", "reviewedAt": "2026-07-24" } ] }, { "key": "service:mudjacking", "contentType": "service", "reviewedAt": "2026-07-24", "reviewerRole": "Editorial research review", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "nrcs-web-soil-survey", "nws-houston-normals", "fhwa-grout-subsealing", "pavement-interactive-stabilization" ], "claims": [ { "claim": "Mudjacking lifts concrete by pumping a cementitious or soil-based slurry through drilled ports to fill voids and raise a slab.", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "nrcs-web-soil-survey", "nws-houston-normals", "fhwa-grout-subsealing", "pavement-interactive-stabilization" ], "scope": "General decision support only. The cited material does not diagnose subsurface conditions, select a contractor, or guarantee an outcome for one property.", "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property." }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab." }, { "id": "nrcs-web-soil-survey", "title": "Web Soil Survey", "publisher": "USDA Natural Resources Conservation Service", "url": "https://websoilsurvey.nrcs.usda.gov/", "limitations": "Mapped soil data cannot reveal exact fill, compaction, leaks, utilities, erosion, or support beneath one slab." }, { "id": "nws-houston-normals", "title": "Houston IAH climate normals and annual summaries", "publisher": "National Weather Service Houston/Galveston", "url": "https://www.weather.gov/hgx/climate_iah_normals_summary", "limitations": "IAH station normals are regional context, not Tomball parcel data or proof that weather caused one slab to move." }, { "id": "fhwa-grout-subsealing", "title": "Fly Ash in Grouts for Pavement Subsealing", "publisher": "Federal Highway Administration", "url": "https://www.fhwa.dot.gov/pavement/recycling/fach09.cfm", "limitations": "Highway pavement guidance. Residential mixes, loading, details, and use instructions can differ." }, { "id": "pavement-interactive-stabilization", "title": "Slab Stabilization", "publisher": "Pavement Interactive", "url": "https://pavementinteractive.org/reference-desk/maintenance-and-rehabilitation/maintenance/slab-stabilization/", "limitations": "Educational pavement reference, not a residential engineering standard or job-specific specification." } ] }, { "claim": "Material recipes, port sizes, cure instructions, and suitable applications vary by contractor. A proposal should name the material, explain the target lift, and state what is included after injection.", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "nrcs-web-soil-survey", "nws-houston-normals", "fhwa-grout-subsealing", "pavement-interactive-stabilization" ], "scope": "This is an inspection and proposal framework, not proof that a particular slab is suitable for lifting or that one method will achieve the desired target.", "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property." }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab." }, { "id": "nrcs-web-soil-survey", "title": "Web Soil Survey", "publisher": "USDA Natural Resources Conservation Service", "url": "https://websoilsurvey.nrcs.usda.gov/", "limitations": "Mapped soil data cannot reveal exact fill, compaction, leaks, utilities, erosion, or support beneath one slab." }, { "id": "nws-houston-normals", "title": "Houston IAH climate normals and annual summaries", "publisher": "National Weather Service Houston/Galveston", "url": "https://www.weather.gov/hgx/climate_iah_normals_summary", "limitations": "IAH station normals are regional context, not Tomball parcel data or proof that weather caused one slab to move." }, { "id": "fhwa-grout-subsealing", "title": "Fly Ash in Grouts for Pavement Subsealing", "publisher": "Federal Highway Administration", "url": "https://www.fhwa.dot.gov/pavement/recycling/fach09.cfm", "limitations": "Highway pavement guidance. Residential mixes, loading, details, and use instructions can differ." }, { "id": "pavement-interactive-stabilization", "title": "Slab Stabilization", "publisher": "Pavement Interactive", "url": "https://pavementinteractive.org/reference-desk/maintenance-and-rehabilitation/maintenance/slab-stabilization/", "limitations": "Educational pavement reference, not a residential engineering standard or job-specific specification." } ] }, { "claim": "A useful inspection considers Slab thickness, cracking, and reinforcement assumptions; Void size and likely material containment; Access, hoses, cleanup, and landscape protection; Material composition and cure guidance; Drainage or erosion conditions that may need separate work.", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "nrcs-web-soil-survey", "nws-houston-normals", "fhwa-grout-subsealing", "pavement-interactive-stabilization" ], "scope": "The checklist combines general technical and decision criteria. The appropriate investigation, testing, and professional responsibility depend on the project.", "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property." }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab." }, { "id": "nrcs-web-soil-survey", "title": "Web Soil Survey", "publisher": "USDA Natural Resources Conservation Service", "url": "https://websoilsurvey.nrcs.usda.gov/", "limitations": "Mapped soil data cannot reveal exact fill, compaction, leaks, utilities, erosion, or support beneath one slab." }, { "id": "nws-houston-normals", "title": "Houston IAH climate normals and annual summaries", "publisher": "National Weather Service Houston/Galveston", "url": "https://www.weather.gov/hgx/climate_iah_normals_summary", "limitations": "IAH station normals are regional context, not Tomball parcel data or proof that weather caused one slab to move." }, { "id": "fhwa-grout-subsealing", "title": "Fly Ash in Grouts for Pavement Subsealing", "publisher": "Federal Highway Administration", "url": "https://www.fhwa.dot.gov/pavement/recycling/fach09.cfm", "limitations": "Highway pavement guidance. Residential mixes, loading, details, and use instructions can differ." }, { "id": "pavement-interactive-stabilization", "title": "Slab Stabilization", "publisher": "Pavement Interactive", "url": "https://pavementinteractive.org/reference-desk/maintenance-and-rehabilitation/maintenance/slab-stabilization/", "limitations": "Educational pavement reference, not a residential engineering standard or job-specific specification." } ] } ], "conversion": { "stage": "ready-to-request", "primaryAction": "Request a mudjacking assessment", "requestDetails": [ "Which slab or panels are affected", "The observed movement, cracks, water, and fixed constraints", "Photos, ZIP, access, and desired timing" ], "reassurance": "No obligation. A request is reviewed for project and coverage fit before it can be shared with one independent provider." }, "editorialNotes": [ "Do not publish a universal price, cure time, lifespan, or method winner.", "Product-specific claims require the named manufacturer document or demonstration and visible limitation language." ], "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "kind": "technical-guide", "authority": "primary", "supports": "Slabjacking is used to level and align slabs-on-ground affected by settlement, erosion, flooding, or shrinkage of supporting soil or base.", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property.", "reviewedAt": "2026-07-24" }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "kind": "technical-guide", "authority": "primary", "supports": "Appropriate repair selection, hole layouts, settlement mode, grout-pressure monitoring, and verification are core parts of slabjacking practice.", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab.", "reviewedAt": "2026-07-24" }, { "id": "nrcs-web-soil-survey", "title": "Web Soil Survey", "publisher": "USDA Natural Resources Conservation Service", "url": "https://websoilsurvey.nrcs.usda.gov/", "kind": "government", "authority": "primary", "supports": "Official mapped soil information and interpretations can provide regional and property-area context.", "limitations": "Mapped soil data cannot reveal exact fill, compaction, leaks, utilities, erosion, or support beneath one slab.", "reviewedAt": "2026-07-24" }, { "id": "nws-houston-normals", "title": "Houston IAH climate normals and annual summaries", "publisher": "National Weather Service Houston/Galveston", "url": "https://www.weather.gov/hgx/climate_iah_normals_summary", "kind": "government", "authority": "primary", "supports": "Houston-area climate normals document substantial annual rainfall and seasonal temperature conditions relevant to regional drainage context.", "limitations": "IAH station normals are regional context, not Tomball parcel data or proof that weather caused one slab to move.", "reviewedAt": "2026-07-24" }, { "id": "fhwa-grout-subsealing", "title": "Fly Ash in Grouts for Pavement Subsealing", "publisher": "Federal Highway Administration", "url": "https://www.fhwa.dot.gov/pavement/recycling/fach09.cfm", "kind": "government", "authority": "primary", "supports": "Grout must flow into voids, develop support, avoid excessive loss, and be placed with attention to pressure, cracking, temperature, and return-to-traffic conditions.", "limitations": "Highway pavement guidance. Residential mixes, loading, details, and use instructions can differ.", "reviewedAt": "2026-07-24" }, { "id": "pavement-interactive-stabilization", "title": "Slab Stabilization", "publisher": "Pavement Interactive", "url": "https://pavementinteractive.org/reference-desk/maintenance-and-rehabilitation/maintenance/slab-stabilization/", "kind": "technical-guide", "authority": "authoritative-secondary", "supports": "Filling voids to restore support is a different objective from raising a depressed slab, even though the operations may overlap.", "limitations": "Educational pavement reference, not a residential engineering standard or job-specific specification.", "reviewedAt": "2026-07-24" } ] }, { "key": "service:polyurethane-foam-leveling", "contentType": "service", "reviewedAt": "2026-07-24", "reviewerRole": "Editorial research review", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "nrcs-web-soil-survey", "nws-houston-normals", "odot-polyurethane-report", "supportworks-polylevel-video", "prime-resins-slab-videos" ], "claims": [ { "claim": "Polyurethane foam leveling injects a two-part expanding material beneath concrete to fill space and raise the slab in controlled stages.", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "nrcs-web-soil-survey", "nws-houston-normals", "odot-polyurethane-report", "supportworks-polylevel-video", "prime-resins-slab-videos" ], "scope": "General decision support only. The cited material does not diagnose subsurface conditions, select a contractor, or guarantee an outcome for one property.", "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property." }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab." }, { "id": "nrcs-web-soil-survey", "title": "Web Soil Survey", "publisher": "USDA Natural Resources Conservation Service", "url": "https://websoilsurvey.nrcs.usda.gov/", "limitations": "Mapped soil data cannot reveal exact fill, compaction, leaks, utilities, erosion, or support beneath one slab." }, { "id": "nws-houston-normals", "title": "Houston IAH climate normals and annual summaries", "publisher": "National Weather Service Houston/Galveston", "url": "https://www.weather.gov/hgx/climate_iah_normals_summary", "limitations": "IAH station normals are regional context, not Tomball parcel data or proof that weather caused one slab to move." }, { "id": "odot-polyurethane-report", "title": "Injected polyurethane slab jacking: final report", "publisher": "Oregon Department of Transportation and Federal Highway Administration", "url": "https://rosap.ntl.bts.gov/view/dot/22955", "limitations": "A specific transportation research project from 2002, not proof that every product, installer, or residential project performs the same way." }, { "id": "supportworks-polylevel-video", "title": "Raising Commercial Concrete Slabs with PolyLevel", "publisher": "Supportworks", "url": "https://commercial.supportworks.com/about-us/videos/7019-raising-commercial-concrete-slabs-polylevel-by-supportworks.html", "limitations": "Manufacturer marketing demonstration. Product claims, port size, timing, environmental claims, and performance are specific to that system and must not be generalized." }, { "id": "prime-resins-slab-videos", "title": "Slab lifting video library", "publisher": "Prime Resins", "url": "https://www.primeresins.com/resources/videos/slab-lifting-videos/", "limitations": "Manufacturer demonstrations, not independent comparative research or proof of suitability for a particular property." } ] }, { "claim": "Products and installation requirements vary. The proposal should identify the product system, intended lift, injection pattern, finish, warranty terms, and return-to-use instructions.", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "nrcs-web-soil-survey", "nws-houston-normals", "odot-polyurethane-report", "supportworks-polylevel-video", "prime-resins-slab-videos" ], "scope": "This is an inspection and proposal framework, not proof that a particular slab is suitable for lifting or that one method will achieve the desired target.", "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property." }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab." }, { "id": "nrcs-web-soil-survey", "title": "Web Soil Survey", "publisher": "USDA Natural Resources Conservation Service", "url": "https://websoilsurvey.nrcs.usda.gov/", "limitations": "Mapped soil data cannot reveal exact fill, compaction, leaks, utilities, erosion, or support beneath one slab." }, { "id": "nws-houston-normals", "title": "Houston IAH climate normals and annual summaries", "publisher": "National Weather Service Houston/Galveston", "url": "https://www.weather.gov/hgx/climate_iah_normals_summary", "limitations": "IAH station normals are regional context, not Tomball parcel data or proof that weather caused one slab to move." }, { "id": "odot-polyurethane-report", "title": "Injected polyurethane slab jacking: final report", "publisher": "Oregon Department of Transportation and Federal Highway Administration", "url": "https://rosap.ntl.bts.gov/view/dot/22955", "limitations": "A specific transportation research project from 2002, not proof that every product, installer, or residential project performs the same way." }, { "id": "supportworks-polylevel-video", "title": "Raising Commercial Concrete Slabs with PolyLevel", "publisher": "Supportworks", "url": "https://commercial.supportworks.com/about-us/videos/7019-raising-commercial-concrete-slabs-polylevel-by-supportworks.html", "limitations": "Manufacturer marketing demonstration. Product claims, port size, timing, environmental claims, and performance are specific to that system and must not be generalized." }, { "id": "prime-resins-slab-videos", "title": "Slab lifting video library", "publisher": "Prime Resins", "url": "https://www.primeresins.com/resources/videos/slab-lifting-videos/", "limitations": "Manufacturer demonstrations, not independent comparative research or proof of suitability for a particular property." } ] }, { "claim": "A useful inspection considers Slab condition, voids, and target elevations; Product system and installation limitations; Nearby utilities, drains, foundations, and pool components; Expansion control and monitoring plan; Written warranty and return-to-use guidance.", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "nrcs-web-soil-survey", "nws-houston-normals", "odot-polyurethane-report", "supportworks-polylevel-video", "prime-resins-slab-videos" ], "scope": "The checklist combines general technical and decision criteria. The appropriate investigation, testing, and professional responsibility depend on the project.", "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property." }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab." }, { "id": "nrcs-web-soil-survey", "title": "Web Soil Survey", "publisher": "USDA Natural Resources Conservation Service", "url": "https://websoilsurvey.nrcs.usda.gov/", "limitations": "Mapped soil data cannot reveal exact fill, compaction, leaks, utilities, erosion, or support beneath one slab." }, { "id": "nws-houston-normals", "title": "Houston IAH climate normals and annual summaries", "publisher": "National Weather Service Houston/Galveston", "url": "https://www.weather.gov/hgx/climate_iah_normals_summary", "limitations": "IAH station normals are regional context, not Tomball parcel data or proof that weather caused one slab to move." }, { "id": "odot-polyurethane-report", "title": "Injected polyurethane slab jacking: final report", "publisher": "Oregon Department of Transportation and Federal Highway Administration", "url": "https://rosap.ntl.bts.gov/view/dot/22955", "limitations": "A specific transportation research project from 2002, not proof that every product, installer, or residential project performs the same way." }, { "id": "supportworks-polylevel-video", "title": "Raising Commercial Concrete Slabs with PolyLevel", "publisher": "Supportworks", "url": "https://commercial.supportworks.com/about-us/videos/7019-raising-commercial-concrete-slabs-polylevel-by-supportworks.html", "limitations": "Manufacturer marketing demonstration. Product claims, port size, timing, environmental claims, and performance are specific to that system and must not be generalized." }, { "id": "prime-resins-slab-videos", "title": "Slab lifting video library", "publisher": "Prime Resins", "url": "https://www.primeresins.com/resources/videos/slab-lifting-videos/", "limitations": "Manufacturer demonstrations, not independent comparative research or proof of suitability for a particular property." } ] } ], "conversion": { "stage": "ready-to-request", "primaryAction": "Request a polyurethane foam leveling assessment", "requestDetails": [ "Which slab or panels are affected", "The observed movement, cracks, water, and fixed constraints", "Photos, ZIP, access, and desired timing" ], "reassurance": "No obligation. A request is reviewed for project and coverage fit before it can be shared with one independent provider." }, "editorialNotes": [ "Do not publish a universal price, cure time, lifespan, or method winner.", "Product-specific claims require the named manufacturer document or demonstration and visible limitation language." ], "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "kind": "technical-guide", "authority": "primary", "supports": "Slabjacking is used to level and align slabs-on-ground affected by settlement, erosion, flooding, or shrinkage of supporting soil or base.", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property.", "reviewedAt": "2026-07-24" }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "kind": "technical-guide", "authority": "primary", "supports": "Appropriate repair selection, hole layouts, settlement mode, grout-pressure monitoring, and verification are core parts of slabjacking practice.", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab.", "reviewedAt": "2026-07-24" }, { "id": "nrcs-web-soil-survey", "title": "Web Soil Survey", "publisher": "USDA Natural Resources Conservation Service", "url": "https://websoilsurvey.nrcs.usda.gov/", "kind": "government", "authority": "primary", "supports": "Official mapped soil information and interpretations can provide regional and property-area context.", "limitations": "Mapped soil data cannot reveal exact fill, compaction, leaks, utilities, erosion, or support beneath one slab.", "reviewedAt": "2026-07-24" }, { "id": "nws-houston-normals", "title": "Houston IAH climate normals and annual summaries", "publisher": "National Weather Service Houston/Galveston", "url": "https://www.weather.gov/hgx/climate_iah_normals_summary", "kind": "government", "authority": "primary", "supports": "Houston-area climate normals document substantial annual rainfall and seasonal temperature conditions relevant to regional drainage context.", "limitations": "IAH station normals are regional context, not Tomball parcel data or proof that weather caused one slab to move.", "reviewedAt": "2026-07-24" }, { "id": "odot-polyurethane-report", "title": "Injected polyurethane slab jacking: final report", "publisher": "Oregon Department of Transportation and Federal Highway Administration", "url": "https://rosap.ntl.bts.gov/view/dot/22955", "kind": "research", "authority": "primary", "supports": "Injected polyurethane has been studied as an alternative method for raising and stabilizing in-place concrete slabs, with monitored field performance and material testing.", "limitations": "A specific transportation research project from 2002, not proof that every product, installer, or residential project performs the same way.", "reviewedAt": "2026-07-24" }, { "id": "supportworks-polylevel-video", "title": "Raising Commercial Concrete Slabs with PolyLevel", "publisher": "Supportworks", "url": "https://commercial.supportworks.com/about-us/videos/7019-raising-commercial-concrete-slabs-polylevel-by-supportworks.html", "kind": "process-video", "authority": "commercial-demonstration", "supports": "Shows one proprietary polyurethane-lifting workflow, including drilling, injection, expansion, and slab movement.", "limitations": "Manufacturer marketing demonstration. Product claims, port size, timing, environmental claims, and performance are specific to that system and must not be generalized.", "reviewedAt": "2026-07-24" }, { "id": "prime-resins-slab-videos", "title": "Slab lifting video library", "publisher": "Prime Resins", "url": "https://www.primeresins.com/resources/videos/slab-lifting-videos/", "kind": "process-video", "authority": "commercial-demonstration", "supports": "Shows several polyurethane slab-lifting and soil-stabilization applications and equipment configurations.", "limitations": "Manufacturer demonstrations, not independent comparative research or proof of suitability for a particular property.", "reviewedAt": "2026-07-24" } ] }, { "key": "guide:concrete-leveling-cost-tomball", "contentType": "guide", "reviewedAt": "2026-07-24", "reviewerRole": "Editorial research review", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "nrcs-web-soil-survey", "nws-houston-normals", "texas-ag-home-improvement", "ftc-home-improvement" ], "claims": [ { "claim": "There is no reliable one-price answer without seeing the slab. Cost usually changes with the number and size of panels, amount of lift, void conditions, material, access, risk around structures or utilities, minimum service charges, and finish work.", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "nrcs-web-soil-survey", "nws-houston-normals", "texas-ag-home-improvement", "ftc-home-improvement" ], "scope": "General decision support only. The cited material does not diagnose subsurface conditions, select a contractor, or guarantee an outcome for one property.", "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property." }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab." }, { "id": "nrcs-web-soil-survey", "title": "Web Soil Survey", "publisher": "USDA Natural Resources Conservation Service", "url": "https://websoilsurvey.nrcs.usda.gov/", "limitations": "Mapped soil data cannot reveal exact fill, compaction, leaks, utilities, erosion, or support beneath one slab." }, { "id": "nws-houston-normals", "title": "Houston IAH climate normals and annual summaries", "publisher": "National Weather Service Houston/Galveston", "url": "https://www.weather.gov/hgx/climate_iah_normals_summary", "limitations": "IAH station normals are regional context, not Tomball parcel data or proof that weather caused one slab to move." }, { "id": "texas-ag-home-improvement", "title": "How to Avoid Home Improvement Scams", "publisher": "Office of the Attorney General of Texas", "url": "https://www.texasattorneygeneral.gov/consumer-protection/home-real-estate-and-travel/how-avoid-home-improvement-scams", "limitations": "General consumer guidance, not legal advice for one contract or a statement that concrete leveling is a state-licensed trade." }, { "id": "ftc-home-improvement", "title": "How to Avoid a Home Improvement Scam", "publisher": "Federal Trade Commission", "url": "https://consumer.ftc.gov/articles/how-avoid-home-improvement-scam", "limitations": "General federal consumer guidance. State and local contract requirements can add obligations." } ] }, { "claim": "The estimate should describe the physical job: A useful quote identifies the specific panels, target elevations, injection material, expected port finish, access plan, return-to-use instructions, exclusions, and warranty. A single number without that scope is difficult to compare.", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "nrcs-web-soil-survey", "nws-houston-normals", "texas-ag-home-improvement", "ftc-home-improvement" ], "scope": "This section summarizes general decision criteria within the cited sources' combined scope. It does not establish the condition, cause, compliance status, or repair fit of one property.", "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property." }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab." }, { "id": "nrcs-web-soil-survey", "title": "Web Soil Survey", "publisher": "USDA Natural Resources Conservation Service", "url": "https://websoilsurvey.nrcs.usda.gov/", "limitations": "Mapped soil data cannot reveal exact fill, compaction, leaks, utilities, erosion, or support beneath one slab." }, { "id": "nws-houston-normals", "title": "Houston IAH climate normals and annual summaries", "publisher": "National Weather Service Houston/Galveston", "url": "https://www.weather.gov/hgx/climate_iah_normals_summary", "limitations": "IAH station normals are regional context, not Tomball parcel data or proof that weather caused one slab to move." }, { "id": "texas-ag-home-improvement", "title": "How to Avoid Home Improvement Scams", "publisher": "Office of the Attorney General of Texas", "url": "https://www.texasattorneygeneral.gov/consumer-protection/home-real-estate-and-travel/how-avoid-home-improvement-scams", "limitations": "General consumer guidance, not legal advice for one contract or a statement that concrete leveling is a state-licensed trade." }, { "id": "ftc-home-improvement", "title": "How to Avoid a Home Improvement Scam", "publisher": "Federal Trade Commission", "url": "https://consumer.ftc.gov/articles/how-avoid-home-improvement-scam", "limitations": "General federal consumer guidance. State and local contract requirements can add obligations." } ] }, { "claim": "Why this site does not publish a fake price range: Online ranges often blend different regions, materials, minimum charges, project sizes, and dates. Presenting one as a current Tomball quote would look helpful while quietly lying to you, an industry tradition we can skip.", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "nrcs-web-soil-survey", "nws-houston-normals", "texas-ag-home-improvement", "ftc-home-improvement" ], "scope": "This section summarizes general decision criteria within the cited sources' combined scope. It does not establish the condition, cause, compliance status, or repair fit of one property.", "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property." }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab." }, { "id": "nrcs-web-soil-survey", "title": "Web Soil Survey", "publisher": "USDA Natural Resources Conservation Service", "url": "https://websoilsurvey.nrcs.usda.gov/", "limitations": "Mapped soil data cannot reveal exact fill, compaction, leaks, utilities, erosion, or support beneath one slab." }, { "id": "nws-houston-normals", "title": "Houston IAH climate normals and annual summaries", "publisher": "National Weather Service Houston/Galveston", "url": "https://www.weather.gov/hgx/climate_iah_normals_summary", "limitations": "IAH station normals are regional context, not Tomball parcel data or proof that weather caused one slab to move." }, { "id": "texas-ag-home-improvement", "title": "How to Avoid Home Improvement Scams", "publisher": "Office of the Attorney General of Texas", "url": "https://www.texasattorneygeneral.gov/consumer-protection/home-real-estate-and-travel/how-avoid-home-improvement-scams", "limitations": "General consumer guidance, not legal advice for one contract or a statement that concrete leveling is a state-licensed trade." }, { "id": "ftc-home-improvement", "title": "How to Avoid a Home Improvement Scam", "publisher": "Federal Trade Commission", "url": "https://consumer.ftc.gov/articles/how-avoid-home-improvement-scam", "limitations": "General federal consumer guidance. State and local contract requirements can add obligations." } ] }, { "claim": "Questions that make quotes comparable: Ask each provider the same questions and get the answers in writing. Differences in method may be valid, but they should be explicit.", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "nrcs-web-soil-survey", "nws-houston-normals", "texas-ag-home-improvement", "ftc-home-improvement" ], "scope": "This section summarizes general decision criteria within the cited sources' combined scope. It does not establish the condition, cause, compliance status, or repair fit of one property.", "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property." }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab." }, { "id": "nrcs-web-soil-survey", "title": "Web Soil Survey", "publisher": "USDA Natural Resources Conservation Service", "url": "https://websoilsurvey.nrcs.usda.gov/", "limitations": "Mapped soil data cannot reveal exact fill, compaction, leaks, utilities, erosion, or support beneath one slab." }, { "id": "nws-houston-normals", "title": "Houston IAH climate normals and annual summaries", "publisher": "National Weather Service Houston/Galveston", "url": "https://www.weather.gov/hgx/climate_iah_normals_summary", "limitations": "IAH station normals are regional context, not Tomball parcel data or proof that weather caused one slab to move." }, { "id": "texas-ag-home-improvement", "title": "How to Avoid Home Improvement Scams", "publisher": "Office of the Attorney General of Texas", "url": "https://www.texasattorneygeneral.gov/consumer-protection/home-real-estate-and-travel/how-avoid-home-improvement-scams", "limitations": "General consumer guidance, not legal advice for one contract or a statement that concrete leveling is a state-licensed trade." }, { "id": "ftc-home-improvement", "title": "How to Avoid a Home Improvement Scam", "publisher": "Federal Trade Commission", "url": "https://consumer.ftc.gov/articles/how-avoid-home-improvement-scam", "limitations": "General federal consumer guidance. State and local contract requirements can add obligations." } ] } ], "conversion": { "stage": "provider-aware", "primaryAction": "Build a comparable project scope", "requestDetails": [ "The affected surfaces and visible constraints", "The same questions and photos for each provider", "Written material, target, exclusions, payment, and warranty terms" ], "reassurance": "The guide prepares a decision; it does not diagnose the property or endorse a provider." }, "editorialNotes": [ "Use source-backed comparisons and uncertainty language instead of invented local price ranges.", "Keep method guidance neutral unless a named product or documented project is explicitly in scope." ], "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "kind": "technical-guide", "authority": "primary", "supports": "Slabjacking is used to level and align slabs-on-ground affected by settlement, erosion, flooding, or shrinkage of supporting soil or base.", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property.", "reviewedAt": "2026-07-24" }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "kind": "technical-guide", "authority": "primary", "supports": "Appropriate repair selection, hole layouts, settlement mode, grout-pressure monitoring, and verification are core parts of slabjacking practice.", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab.", "reviewedAt": "2026-07-24" }, { "id": "nrcs-web-soil-survey", "title": "Web Soil Survey", "publisher": "USDA Natural Resources Conservation Service", "url": "https://websoilsurvey.nrcs.usda.gov/", "kind": "government", "authority": "primary", "supports": "Official mapped soil information and interpretations can provide regional and property-area context.", "limitations": "Mapped soil data cannot reveal exact fill, compaction, leaks, utilities, erosion, or support beneath one slab.", "reviewedAt": "2026-07-24" }, { "id": "nws-houston-normals", "title": "Houston IAH climate normals and annual summaries", "publisher": "National Weather Service Houston/Galveston", "url": "https://www.weather.gov/hgx/climate_iah_normals_summary", "kind": "government", "authority": "primary", "supports": "Houston-area climate normals document substantial annual rainfall and seasonal temperature conditions relevant to regional drainage context.", "limitations": "IAH station normals are regional context, not Tomball parcel data or proof that weather caused one slab to move.", "reviewedAt": "2026-07-24" }, { "id": "texas-ag-home-improvement", "title": "How to Avoid Home Improvement Scams", "publisher": "Office of the Attorney General of Texas", "url": "https://www.texasattorneygeneral.gov/consumer-protection/home-real-estate-and-travel/how-avoid-home-improvement-scams", "kind": "consumer-guidance", "authority": "primary", "supports": "Texas consumers are advised to obtain multiple detailed written bids, read contracts carefully, include promises in writing, keep records, and avoid full payment before satisfactory completion.", "limitations": "General consumer guidance, not legal advice for one contract or a statement that concrete leveling is a state-licensed trade.", "reviewedAt": "2026-07-24" }, { "id": "ftc-home-improvement", "title": "How to Avoid a Home Improvement Scam", "publisher": "Federal Trade Commission", "url": "https://consumer.ftc.gov/articles/how-avoid-home-improvement-scam", "kind": "consumer-guidance", "authority": "primary", "supports": "Consumers should compare estimates, verify business and insurance information, read written contracts, and avoid paying the full project amount up front.", "limitations": "General federal consumer guidance. State and local contract requirements can add obligations.", "reviewedAt": "2026-07-24" } ] }, { "key": "guide:mudjacking-vs-polyurethane-foam", "contentType": "guide", "reviewedAt": "2026-07-24", "reviewerRole": "Editorial research review", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "nrcs-web-soil-survey", "nws-houston-normals", "texas-ag-home-improvement", "ftc-home-improvement", "fhwa-grout-subsealing", "pavement-interactive-stabilization", "odot-polyurethane-report", "supportworks-polylevel-video", "prime-resins-slab-videos" ], "claims": [ { "claim": "Neither method is universally better. Mudjacking uses a pumpable cementitious or soil-based slurry; foam lifting uses an expanding polymer system. Slab condition, target lift, access, provider skill, product details, schedule, and budget determine project fit.", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "nrcs-web-soil-survey", "nws-houston-normals", "texas-ag-home-improvement", "ftc-home-improvement", "fhwa-grout-subsealing", "pavement-interactive-stabilization", "odot-polyurethane-report", "supportworks-polylevel-video", "prime-resins-slab-videos" ], "scope": "General decision support only. The cited material does not diagnose subsurface conditions, select a contractor, or guarantee an outcome for one property.", "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property." }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab." }, { "id": "nrcs-web-soil-survey", "title": "Web Soil Survey", "publisher": "USDA Natural Resources Conservation Service", "url": "https://websoilsurvey.nrcs.usda.gov/", "limitations": "Mapped soil data cannot reveal exact fill, compaction, leaks, utilities, erosion, or support beneath one slab." }, { "id": "nws-houston-normals", "title": "Houston IAH climate normals and annual summaries", "publisher": "National Weather Service Houston/Galveston", "url": "https://www.weather.gov/hgx/climate_iah_normals_summary", "limitations": "IAH station normals are regional context, not Tomball parcel data or proof that weather caused one slab to move." }, { "id": "texas-ag-home-improvement", "title": "How to Avoid Home Improvement Scams", "publisher": "Office of the Attorney General of Texas", "url": "https://www.texasattorneygeneral.gov/consumer-protection/home-real-estate-and-travel/how-avoid-home-improvement-scams", "limitations": "General consumer guidance, not legal advice for one contract or a statement that concrete leveling is a state-licensed trade." }, { "id": "ftc-home-improvement", "title": "How to Avoid a Home Improvement Scam", "publisher": "Federal Trade Commission", "url": "https://consumer.ftc.gov/articles/how-avoid-home-improvement-scam", "limitations": "General federal consumer guidance. State and local contract requirements can add obligations." }, { "id": "fhwa-grout-subsealing", "title": "Fly Ash in Grouts for Pavement Subsealing", "publisher": "Federal Highway Administration", "url": "https://www.fhwa.dot.gov/pavement/recycling/fach09.cfm", "limitations": "Highway pavement guidance. Residential mixes, loading, details, and use instructions can differ." }, { "id": "pavement-interactive-stabilization", "title": "Slab Stabilization", "publisher": "Pavement Interactive", "url": "https://pavementinteractive.org/reference-desk/maintenance-and-rehabilitation/maintenance/slab-stabilization/", "limitations": "Educational pavement reference, not a residential engineering standard or job-specific specification." }, { "id": "odot-polyurethane-report", "title": "Injected polyurethane slab jacking: final report", "publisher": "Oregon Department of Transportation and Federal Highway Administration", "url": "https://rosap.ntl.bts.gov/view/dot/22955", "limitations": "A specific transportation research project from 2002, not proof that every product, installer, or residential project performs the same way." }, { "id": "supportworks-polylevel-video", "title": "Raising Commercial Concrete Slabs with PolyLevel", "publisher": "Supportworks", "url": "https://commercial.supportworks.com/about-us/videos/7019-raising-commercial-concrete-slabs-polylevel-by-supportworks.html", "limitations": "Manufacturer marketing demonstration. Product claims, port size, timing, environmental claims, and performance are specific to that system and must not be generalized." }, { "id": "prime-resins-slab-videos", "title": "Slab lifting video library", "publisher": "Prime Resins", "url": "https://www.primeresins.com/resources/videos/slab-lifting-videos/", "limitations": "Manufacturer demonstrations, not independent comparative research or proof of suitability for a particular property." } ] }, { "claim": "Compare the actual proposal, not the nickname: The word mudjacking can describe different slurry recipes, and foam products are not interchangeable. Ask for the material or product system, port layout, intended lift, expected cure or return-to-use instructions, and warranty.", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "nrcs-web-soil-survey", "nws-houston-normals", "texas-ag-home-improvement", "ftc-home-improvement", "fhwa-grout-subsealing", "pavement-interactive-stabilization", "odot-polyurethane-report", "supportworks-polylevel-video", "prime-resins-slab-videos" ], "scope": "This section summarizes general decision criteria within the cited sources' combined scope. It does not establish the condition, cause, compliance status, or repair fit of one property.", "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property." }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab." }, { "id": "nrcs-web-soil-survey", "title": "Web Soil Survey", "publisher": "USDA Natural Resources Conservation Service", "url": "https://websoilsurvey.nrcs.usda.gov/", "limitations": "Mapped soil data cannot reveal exact fill, compaction, leaks, utilities, erosion, or support beneath one slab." }, { "id": "nws-houston-normals", "title": "Houston IAH climate normals and annual summaries", "publisher": "National Weather Service Houston/Galveston", "url": "https://www.weather.gov/hgx/climate_iah_normals_summary", "limitations": "IAH station normals are regional context, not Tomball parcel data or proof that weather caused one slab to move." }, { "id": "texas-ag-home-improvement", "title": "How to Avoid Home Improvement Scams", "publisher": "Office of the Attorney General of Texas", "url": "https://www.texasattorneygeneral.gov/consumer-protection/home-real-estate-and-travel/how-avoid-home-improvement-scams", "limitations": "General consumer guidance, not legal advice for one contract or a statement that concrete leveling is a state-licensed trade." }, { "id": "ftc-home-improvement", "title": "How to Avoid a Home Improvement Scam", "publisher": "Federal Trade Commission", "url": "https://consumer.ftc.gov/articles/how-avoid-home-improvement-scam", "limitations": "General federal consumer guidance. State and local contract requirements can add obligations." }, { "id": "fhwa-grout-subsealing", "title": "Fly Ash in Grouts for Pavement Subsealing", "publisher": "Federal Highway Administration", "url": "https://www.fhwa.dot.gov/pavement/recycling/fach09.cfm", "limitations": "Highway pavement guidance. Residential mixes, loading, details, and use instructions can differ." }, { "id": "pavement-interactive-stabilization", "title": "Slab Stabilization", "publisher": "Pavement Interactive", "url": "https://pavementinteractive.org/reference-desk/maintenance-and-rehabilitation/maintenance/slab-stabilization/", "limitations": "Educational pavement reference, not a residential engineering standard or job-specific specification." }, { "id": "odot-polyurethane-report", "title": "Injected polyurethane slab jacking: final report", "publisher": "Oregon Department of Transportation and Federal Highway Administration", "url": "https://rosap.ntl.bts.gov/view/dot/22955", "limitations": "A specific transportation research project from 2002, not proof that every product, installer, or residential project performs the same way." }, { "id": "supportworks-polylevel-video", "title": "Raising Commercial Concrete Slabs with PolyLevel", "publisher": "Supportworks", "url": "https://commercial.supportworks.com/about-us/videos/7019-raising-commercial-concrete-slabs-polylevel-by-supportworks.html", "limitations": "Manufacturer marketing demonstration. Product claims, port size, timing, environmental claims, and performance are specific to that system and must not be generalized." }, { "id": "prime-resins-slab-videos", "title": "Slab lifting video library", "publisher": "Prime Resins", "url": "https://www.primeresins.com/resources/videos/slab-lifting-videos/", "limitations": "Manufacturer demonstrations, not independent comparative research or proof of suitability for a particular property." } ] }, { "claim": "Situations that deserve extra caution: Any method can create unwanted movement when the slab is badly broken, pinned to another structure, obstructed by roots, close to pool components, or affected by an active leak. A careful provider identifies fixed points and stop conditions before pumping anything.", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "nrcs-web-soil-survey", "nws-houston-normals", "texas-ag-home-improvement", "ftc-home-improvement", "fhwa-grout-subsealing", "pavement-interactive-stabilization", "odot-polyurethane-report", "supportworks-polylevel-video", "prime-resins-slab-videos" ], "scope": "This section summarizes general decision criteria within the cited sources' combined scope. It does not establish the condition, cause, compliance status, or repair fit of one property.", "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property." }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab." }, { "id": "nrcs-web-soil-survey", "title": "Web Soil Survey", "publisher": "USDA Natural Resources Conservation Service", "url": "https://websoilsurvey.nrcs.usda.gov/", "limitations": "Mapped soil data cannot reveal exact fill, compaction, leaks, utilities, erosion, or support beneath one slab." }, { "id": "nws-houston-normals", "title": "Houston IAH climate normals and annual summaries", "publisher": "National Weather Service Houston/Galveston", "url": "https://www.weather.gov/hgx/climate_iah_normals_summary", "limitations": "IAH station normals are regional context, not Tomball parcel data or proof that weather caused one slab to move." }, { "id": "texas-ag-home-improvement", "title": "How to Avoid Home Improvement Scams", "publisher": "Office of the Attorney General of Texas", "url": "https://www.texasattorneygeneral.gov/consumer-protection/home-real-estate-and-travel/how-avoid-home-improvement-scams", "limitations": "General consumer guidance, not legal advice for one contract or a statement that concrete leveling is a state-licensed trade." }, { "id": "ftc-home-improvement", "title": "How to Avoid a Home Improvement Scam", "publisher": "Federal Trade Commission", "url": "https://consumer.ftc.gov/articles/how-avoid-home-improvement-scam", "limitations": "General federal consumer guidance. State and local contract requirements can add obligations." }, { "id": "fhwa-grout-subsealing", "title": "Fly Ash in Grouts for Pavement Subsealing", "publisher": "Federal Highway Administration", "url": "https://www.fhwa.dot.gov/pavement/recycling/fach09.cfm", "limitations": "Highway pavement guidance. Residential mixes, loading, details, and use instructions can differ." }, { "id": "pavement-interactive-stabilization", "title": "Slab Stabilization", "publisher": "Pavement Interactive", "url": "https://pavementinteractive.org/reference-desk/maintenance-and-rehabilitation/maintenance/slab-stabilization/", "limitations": "Educational pavement reference, not a residential engineering standard or job-specific specification." }, { "id": "odot-polyurethane-report", "title": "Injected polyurethane slab jacking: final report", "publisher": "Oregon Department of Transportation and Federal Highway Administration", "url": "https://rosap.ntl.bts.gov/view/dot/22955", "limitations": "A specific transportation research project from 2002, not proof that every product, installer, or residential project performs the same way." }, { "id": "supportworks-polylevel-video", "title": "Raising Commercial Concrete Slabs with PolyLevel", "publisher": "Supportworks", "url": "https://commercial.supportworks.com/about-us/videos/7019-raising-commercial-concrete-slabs-polylevel-by-supportworks.html", "limitations": "Manufacturer marketing demonstration. Product claims, port size, timing, environmental claims, and performance are specific to that system and must not be generalized." }, { "id": "prime-resins-slab-videos", "title": "Slab lifting video library", "publisher": "Prime Resins", "url": "https://www.primeresins.com/resources/videos/slab-lifting-videos/", "limitations": "Manufacturer demonstrations, not independent comparative research or proof of suitability for a particular property." } ] }, { "claim": "A practical decision rule: Choose the proposal that most clearly explains the cause hypothesis, slab suitability, material, target, risks, finish, drainage implications, and warranty. Method branding is not a substitute for a competent plan.", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "nrcs-web-soil-survey", "nws-houston-normals", "texas-ag-home-improvement", "ftc-home-improvement", "fhwa-grout-subsealing", "pavement-interactive-stabilization", "odot-polyurethane-report", "supportworks-polylevel-video", "prime-resins-slab-videos" ], "scope": "This section summarizes general decision criteria within the cited sources' combined scope. It does not establish the condition, cause, compliance status, or repair fit of one property.", "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property." }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab." }, { "id": "nrcs-web-soil-survey", "title": "Web Soil Survey", "publisher": "USDA Natural Resources Conservation Service", "url": "https://websoilsurvey.nrcs.usda.gov/", "limitations": "Mapped soil data cannot reveal exact fill, compaction, leaks, utilities, erosion, or support beneath one slab." }, { "id": "nws-houston-normals", "title": "Houston IAH climate normals and annual summaries", "publisher": "National Weather Service Houston/Galveston", "url": "https://www.weather.gov/hgx/climate_iah_normals_summary", "limitations": "IAH station normals are regional context, not Tomball parcel data or proof that weather caused one slab to move." }, { "id": "texas-ag-home-improvement", "title": "How to Avoid Home Improvement Scams", "publisher": "Office of the Attorney General of Texas", "url": "https://www.texasattorneygeneral.gov/consumer-protection/home-real-estate-and-travel/how-avoid-home-improvement-scams", "limitations": "General consumer guidance, not legal advice for one contract or a statement that concrete leveling is a state-licensed trade." }, { "id": "ftc-home-improvement", "title": "How to Avoid a Home Improvement Scam", "publisher": "Federal Trade Commission", "url": "https://consumer.ftc.gov/articles/how-avoid-home-improvement-scam", "limitations": "General federal consumer guidance. State and local contract requirements can add obligations." }, { "id": "fhwa-grout-subsealing", "title": "Fly Ash in Grouts for Pavement Subsealing", "publisher": "Federal Highway Administration", "url": "https://www.fhwa.dot.gov/pavement/recycling/fach09.cfm", "limitations": "Highway pavement guidance. Residential mixes, loading, details, and use instructions can differ." }, { "id": "pavement-interactive-stabilization", "title": "Slab Stabilization", "publisher": "Pavement Interactive", "url": "https://pavementinteractive.org/reference-desk/maintenance-and-rehabilitation/maintenance/slab-stabilization/", "limitations": "Educational pavement reference, not a residential engineering standard or job-specific specification." }, { "id": "odot-polyurethane-report", "title": "Injected polyurethane slab jacking: final report", "publisher": "Oregon Department of Transportation and Federal Highway Administration", "url": "https://rosap.ntl.bts.gov/view/dot/22955", "limitations": "A specific transportation research project from 2002, not proof that every product, installer, or residential project performs the same way." }, { "id": "supportworks-polylevel-video", "title": "Raising Commercial Concrete Slabs with PolyLevel", "publisher": "Supportworks", "url": "https://commercial.supportworks.com/about-us/videos/7019-raising-commercial-concrete-slabs-polylevel-by-supportworks.html", "limitations": "Manufacturer marketing demonstration. Product claims, port size, timing, environmental claims, and performance are specific to that system and must not be generalized." }, { "id": "prime-resins-slab-videos", "title": "Slab lifting video library", "publisher": "Prime Resins", "url": "https://www.primeresins.com/resources/videos/slab-lifting-videos/", "limitations": "Manufacturer demonstrations, not independent comparative research or proof of suitability for a particular property." } ] } ], "conversion": { "stage": "method-aware", "primaryAction": "Build a comparable project scope", "requestDetails": [ "The affected surfaces and visible constraints", "The same questions and photos for each provider", "Written material, target, exclusions, payment, and warranty terms" ], "reassurance": "The guide prepares a decision; it does not diagnose the property or endorse a provider." }, "editorialNotes": [ "Use source-backed comparisons and uncertainty language instead of invented local price ranges.", "Keep method guidance neutral unless a named product or documented project is explicitly in scope." ], "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "kind": "technical-guide", "authority": "primary", "supports": "Slabjacking is used to level and align slabs-on-ground affected by settlement, erosion, flooding, or shrinkage of supporting soil or base.", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property.", "reviewedAt": "2026-07-24" }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "kind": "technical-guide", "authority": "primary", "supports": "Appropriate repair selection, hole layouts, settlement mode, grout-pressure monitoring, and verification are core parts of slabjacking practice.", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab.", "reviewedAt": "2026-07-24" }, { "id": "nrcs-web-soil-survey", "title": "Web Soil Survey", "publisher": "USDA Natural Resources Conservation Service", "url": "https://websoilsurvey.nrcs.usda.gov/", "kind": "government", "authority": "primary", "supports": "Official mapped soil information and interpretations can provide regional and property-area context.", "limitations": "Mapped soil data cannot reveal exact fill, compaction, leaks, utilities, erosion, or support beneath one slab.", "reviewedAt": "2026-07-24" }, { "id": "nws-houston-normals", "title": "Houston IAH climate normals and annual summaries", "publisher": "National Weather Service Houston/Galveston", "url": "https://www.weather.gov/hgx/climate_iah_normals_summary", "kind": "government", "authority": "primary", "supports": "Houston-area climate normals document substantial annual rainfall and seasonal temperature conditions relevant to regional drainage context.", "limitations": "IAH station normals are regional context, not Tomball parcel data or proof that weather caused one slab to move.", "reviewedAt": "2026-07-24" }, { "id": "texas-ag-home-improvement", "title": "How to Avoid Home Improvement Scams", "publisher": "Office of the Attorney General of Texas", "url": "https://www.texasattorneygeneral.gov/consumer-protection/home-real-estate-and-travel/how-avoid-home-improvement-scams", "kind": "consumer-guidance", "authority": "primary", "supports": "Texas consumers are advised to obtain multiple detailed written bids, read contracts carefully, include promises in writing, keep records, and avoid full payment before satisfactory completion.", "limitations": "General consumer guidance, not legal advice for one contract or a statement that concrete leveling is a state-licensed trade.", "reviewedAt": "2026-07-24" }, { "id": "ftc-home-improvement", "title": "How to Avoid a Home Improvement Scam", "publisher": "Federal Trade Commission", "url": "https://consumer.ftc.gov/articles/how-avoid-home-improvement-scam", "kind": "consumer-guidance", "authority": "primary", "supports": "Consumers should compare estimates, verify business and insurance information, read written contracts, and avoid paying the full project amount up front.", "limitations": "General federal consumer guidance. State and local contract requirements can add obligations.", "reviewedAt": "2026-07-24" }, { "id": "fhwa-grout-subsealing", "title": "Fly Ash in Grouts for Pavement Subsealing", "publisher": "Federal Highway Administration", "url": "https://www.fhwa.dot.gov/pavement/recycling/fach09.cfm", "kind": "government", "authority": "primary", "supports": "Grout must flow into voids, develop support, avoid excessive loss, and be placed with attention to pressure, cracking, temperature, and return-to-traffic conditions.", "limitations": "Highway pavement guidance. Residential mixes, loading, details, and use instructions can differ.", "reviewedAt": "2026-07-24" }, { "id": "pavement-interactive-stabilization", "title": "Slab Stabilization", "publisher": "Pavement Interactive", "url": "https://pavementinteractive.org/reference-desk/maintenance-and-rehabilitation/maintenance/slab-stabilization/", "kind": "technical-guide", "authority": "authoritative-secondary", "supports": "Filling voids to restore support is a different objective from raising a depressed slab, even though the operations may overlap.", "limitations": "Educational pavement reference, not a residential engineering standard or job-specific specification.", "reviewedAt": "2026-07-24" }, { "id": "odot-polyurethane-report", "title": "Injected polyurethane slab jacking: final report", "publisher": "Oregon Department of Transportation and Federal Highway Administration", "url": "https://rosap.ntl.bts.gov/view/dot/22955", "kind": "research", "authority": "primary", "supports": "Injected polyurethane has been studied as an alternative method for raising and stabilizing in-place concrete slabs, with monitored field performance and material testing.", "limitations": "A specific transportation research project from 2002, not proof that every product, installer, or residential project performs the same way.", "reviewedAt": "2026-07-24" }, { "id": "supportworks-polylevel-video", "title": "Raising Commercial Concrete Slabs with PolyLevel", "publisher": "Supportworks", "url": "https://commercial.supportworks.com/about-us/videos/7019-raising-commercial-concrete-slabs-polylevel-by-supportworks.html", "kind": "process-video", "authority": "commercial-demonstration", "supports": "Shows one proprietary polyurethane-lifting workflow, including drilling, injection, expansion, and slab movement.", "limitations": "Manufacturer marketing demonstration. Product claims, port size, timing, environmental claims, and performance are specific to that system and must not be generalized.", "reviewedAt": "2026-07-24" }, { "id": "prime-resins-slab-videos", "title": "Slab lifting video library", "publisher": "Prime Resins", "url": "https://www.primeresins.com/resources/videos/slab-lifting-videos/", "kind": "process-video", "authority": "commercial-demonstration", "supports": "Shows several polyurethane slab-lifting and soil-stabilization applications and equipment configurations.", "limitations": "Manufacturer demonstrations, not independent comparative research or proof of suitability for a particular property.", "reviewedAt": "2026-07-24" } ] }, { "key": "guide:concrete-leveling-vs-replacement", "contentType": "guide", "reviewedAt": "2026-07-24", "reviewerRole": "Editorial research review", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "nrcs-web-soil-survey", "nws-houston-normals", "texas-ag-home-improvement", "ftc-home-improvement" ], "claims": [ { "claim": "Lifting is generally considered when a slab is still serviceable but has lost support or elevation. Replacement becomes more likely when concrete is severely cracked, crumbling, undersized, badly displaced by roots, or needs a new shape, reinforcement, slope, or finish.", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "nrcs-web-soil-survey", "nws-houston-normals", "texas-ag-home-improvement", "ftc-home-improvement" ], "scope": "General decision support only. The cited material does not diagnose subsurface conditions, select a contractor, or guarantee an outcome for one property.", "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property." }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab." }, { "id": "nrcs-web-soil-survey", "title": "Web Soil Survey", "publisher": "USDA Natural Resources Conservation Service", "url": "https://websoilsurvey.nrcs.usda.gov/", "limitations": "Mapped soil data cannot reveal exact fill, compaction, leaks, utilities, erosion, or support beneath one slab." }, { "id": "nws-houston-normals", "title": "Houston IAH climate normals and annual summaries", "publisher": "National Weather Service Houston/Galveston", "url": "https://www.weather.gov/hgx/climate_iah_normals_summary", "limitations": "IAH station normals are regional context, not Tomball parcel data or proof that weather caused one slab to move." }, { "id": "texas-ag-home-improvement", "title": "How to Avoid Home Improvement Scams", "publisher": "Office of the Attorney General of Texas", "url": "https://www.texasattorneygeneral.gov/consumer-protection/home-real-estate-and-travel/how-avoid-home-improvement-scams", "limitations": "General consumer guidance, not legal advice for one contract or a statement that concrete leveling is a state-licensed trade." }, { "id": "ftc-home-improvement", "title": "How to Avoid a Home Improvement Scam", "publisher": "Federal Trade Commission", "url": "https://consumer.ftc.gov/articles/how-avoid-home-improvement-scam", "limitations": "General federal consumer guidance. State and local contract requirements can add obligations." } ] }, { "claim": "Signs that lifting may be worth evaluating: The slab does not need to look new, but it must be capable of moving without disintegrating. A provider should inspect cracks, joints, surface loss, reinforcement assumptions, adjoining structures, and the likely path of movement.", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "nrcs-web-soil-survey", "nws-houston-normals", "texas-ag-home-improvement", "ftc-home-improvement" ], "scope": "This section summarizes general decision criteria within the cited sources' combined scope. It does not establish the condition, cause, compliance status, or repair fit of one property.", "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property." }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab." }, { "id": "nrcs-web-soil-survey", "title": "Web Soil Survey", "publisher": "USDA Natural Resources Conservation Service", "url": "https://websoilsurvey.nrcs.usda.gov/", "limitations": "Mapped soil data cannot reveal exact fill, compaction, leaks, utilities, erosion, or support beneath one slab." }, { "id": "nws-houston-normals", "title": "Houston IAH climate normals and annual summaries", "publisher": "National Weather Service Houston/Galveston", "url": "https://www.weather.gov/hgx/climate_iah_normals_summary", "limitations": "IAH station normals are regional context, not Tomball parcel data or proof that weather caused one slab to move." }, { "id": "texas-ag-home-improvement", "title": "How to Avoid Home Improvement Scams", "publisher": "Office of the Attorney General of Texas", "url": "https://www.texasattorneygeneral.gov/consumer-protection/home-real-estate-and-travel/how-avoid-home-improvement-scams", "limitations": "General consumer guidance, not legal advice for one contract or a statement that concrete leveling is a state-licensed trade." }, { "id": "ftc-home-improvement", "title": "How to Avoid a Home Improvement Scam", "publisher": "Federal Trade Commission", "url": "https://consumer.ftc.gov/articles/how-avoid-home-improvement-scam", "limitations": "General federal consumer guidance. State and local contract requirements can add obligations." } ] }, { "claim": "Signs replacement deserves a serious quote: Replacement can reset thickness, base preparation, reinforcement, slope, joints, and finish. It also creates demolition, disposal, curing, access, and landscape impacts that should appear in the proposal.", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "nrcs-web-soil-survey", "nws-houston-normals", "texas-ag-home-improvement", "ftc-home-improvement" ], "scope": "This section summarizes general decision criteria within the cited sources' combined scope. It does not establish the condition, cause, compliance status, or repair fit of one property.", "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property." }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab." }, { "id": "nrcs-web-soil-survey", "title": "Web Soil Survey", "publisher": "USDA Natural Resources Conservation Service", "url": "https://websoilsurvey.nrcs.usda.gov/", "limitations": "Mapped soil data cannot reveal exact fill, compaction, leaks, utilities, erosion, or support beneath one slab." }, { "id": "nws-houston-normals", "title": "Houston IAH climate normals and annual summaries", "publisher": "National Weather Service Houston/Galveston", "url": "https://www.weather.gov/hgx/climate_iah_normals_summary", "limitations": "IAH station normals are regional context, not Tomball parcel data or proof that weather caused one slab to move." }, { "id": "texas-ag-home-improvement", "title": "How to Avoid Home Improvement Scams", "publisher": "Office of the Attorney General of Texas", "url": "https://www.texasattorneygeneral.gov/consumer-protection/home-real-estate-and-travel/how-avoid-home-improvement-scams", "limitations": "General consumer guidance, not legal advice for one contract or a statement that concrete leveling is a state-licensed trade." }, { "id": "ftc-home-improvement", "title": "How to Avoid a Home Improvement Scam", "publisher": "Federal Trade Commission", "url": "https://consumer.ftc.gov/articles/how-avoid-home-improvement-scam", "limitations": "General federal consumer guidance. State and local contract requirements can add obligations." } ] }, { "claim": "Compare total scope and uncertainty: Ask lifting and replacement bidders to describe exclusions, drainage work, crack or joint treatment, access, downtime, cleanup, and warranty. The right choice is the one that addresses the actual failure mode with acceptable risk, not the one with the shortest sales pitch.", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "nrcs-web-soil-survey", "nws-houston-normals", "texas-ag-home-improvement", "ftc-home-improvement" ], "scope": "This section summarizes general decision criteria within the cited sources' combined scope. It does not establish the condition, cause, compliance status, or repair fit of one property.", "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property." }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab." }, { "id": "nrcs-web-soil-survey", "title": "Web Soil Survey", "publisher": "USDA Natural Resources Conservation Service", "url": "https://websoilsurvey.nrcs.usda.gov/", "limitations": "Mapped soil data cannot reveal exact fill, compaction, leaks, utilities, erosion, or support beneath one slab." }, { "id": "nws-houston-normals", "title": "Houston IAH climate normals and annual summaries", "publisher": "National Weather Service Houston/Galveston", "url": "https://www.weather.gov/hgx/climate_iah_normals_summary", "limitations": "IAH station normals are regional context, not Tomball parcel data or proof that weather caused one slab to move." }, { "id": "texas-ag-home-improvement", "title": "How to Avoid Home Improvement Scams", "publisher": "Office of the Attorney General of Texas", "url": "https://www.texasattorneygeneral.gov/consumer-protection/home-real-estate-and-travel/how-avoid-home-improvement-scams", "limitations": "General consumer guidance, not legal advice for one contract or a statement that concrete leveling is a state-licensed trade." }, { "id": "ftc-home-improvement", "title": "How to Avoid a Home Improvement Scam", "publisher": "Federal Trade Commission", "url": "https://consumer.ftc.gov/articles/how-avoid-home-improvement-scam", "limitations": "General federal consumer guidance. State and local contract requirements can add obligations." } ] } ], "conversion": { "stage": "method-aware", "primaryAction": "Build a comparable project scope", "requestDetails": [ "The affected surfaces and visible constraints", "The same questions and photos for each provider", "Written material, target, exclusions, payment, and warranty terms" ], "reassurance": "The guide prepares a decision; it does not diagnose the property or endorse a provider." }, "editorialNotes": [ "Use source-backed comparisons and uncertainty language instead of invented local price ranges.", "Keep method guidance neutral unless a named product or documented project is explicitly in scope." ], "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "kind": "technical-guide", "authority": "primary", "supports": "Slabjacking is used to level and align slabs-on-ground affected by settlement, erosion, flooding, or shrinkage of supporting soil or base.", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property.", "reviewedAt": "2026-07-24" }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "kind": "technical-guide", "authority": "primary", "supports": "Appropriate repair selection, hole layouts, settlement mode, grout-pressure monitoring, and verification are core parts of slabjacking practice.", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab.", "reviewedAt": "2026-07-24" }, { "id": "nrcs-web-soil-survey", "title": "Web Soil Survey", "publisher": "USDA Natural Resources Conservation Service", "url": "https://websoilsurvey.nrcs.usda.gov/", "kind": "government", "authority": "primary", "supports": "Official mapped soil information and interpretations can provide regional and property-area context.", "limitations": "Mapped soil data cannot reveal exact fill, compaction, leaks, utilities, erosion, or support beneath one slab.", "reviewedAt": "2026-07-24" }, { "id": "nws-houston-normals", "title": "Houston IAH climate normals and annual summaries", "publisher": "National Weather Service Houston/Galveston", "url": "https://www.weather.gov/hgx/climate_iah_normals_summary", "kind": "government", "authority": "primary", "supports": "Houston-area climate normals document substantial annual rainfall and seasonal temperature conditions relevant to regional drainage context.", "limitations": "IAH station normals are regional context, not Tomball parcel data or proof that weather caused one slab to move.", "reviewedAt": "2026-07-24" }, { "id": "texas-ag-home-improvement", "title": "How to Avoid Home Improvement Scams", "publisher": "Office of the Attorney General of Texas", "url": "https://www.texasattorneygeneral.gov/consumer-protection/home-real-estate-and-travel/how-avoid-home-improvement-scams", "kind": "consumer-guidance", "authority": "primary", "supports": "Texas consumers are advised to obtain multiple detailed written bids, read contracts carefully, include promises in writing, keep records, and avoid full payment before satisfactory completion.", "limitations": "General consumer guidance, not legal advice for one contract or a statement that concrete leveling is a state-licensed trade.", "reviewedAt": "2026-07-24" }, { "id": "ftc-home-improvement", "title": "How to Avoid a Home Improvement Scam", "publisher": "Federal Trade Commission", "url": "https://consumer.ftc.gov/articles/how-avoid-home-improvement-scam", "kind": "consumer-guidance", "authority": "primary", "supports": "Consumers should compare estimates, verify business and insurance information, read written contracts, and avoid paying the full project amount up front.", "limitations": "General federal consumer guidance. State and local contract requirements can add obligations.", "reviewedAt": "2026-07-24" } ] }, { "key": "guide:why-concrete-sinks-tomball", "contentType": "guide", "reviewedAt": "2026-07-24", "reviewerRole": "Editorial research review", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "nrcs-web-soil-survey", "nws-houston-normals", "texas-ag-home-improvement", "ftc-home-improvement" ], "claims": [ { "claim": "Concrete settles when support beneath it changes or was insufficient. Possible contributors include poorly compacted fill, erosion, drainage, leaking water, moisture-related soil movement, decaying roots, utility trenches, and slab or joint design.", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "nrcs-web-soil-survey", "nws-houston-normals", "texas-ag-home-improvement", "ftc-home-improvement" ], "scope": "General decision support only. The cited material does not diagnose subsurface conditions, select a contractor, or guarantee an outcome for one property.", "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property." }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab." }, { "id": "nrcs-web-soil-survey", "title": "Web Soil Survey", "publisher": "USDA Natural Resources Conservation Service", "url": "https://websoilsurvey.nrcs.usda.gov/", "limitations": "Mapped soil data cannot reveal exact fill, compaction, leaks, utilities, erosion, or support beneath one slab." }, { "id": "nws-houston-normals", "title": "Houston IAH climate normals and annual summaries", "publisher": "National Weather Service Houston/Galveston", "url": "https://www.weather.gov/hgx/climate_iah_normals_summary", "limitations": "IAH station normals are regional context, not Tomball parcel data or proof that weather caused one slab to move." }, { "id": "texas-ag-home-improvement", "title": "How to Avoid Home Improvement Scams", "publisher": "Office of the Attorney General of Texas", "url": "https://www.texasattorneygeneral.gov/consumer-protection/home-real-estate-and-travel/how-avoid-home-improvement-scams", "limitations": "General consumer guidance, not legal advice for one contract or a statement that concrete leveling is a state-licensed trade." }, { "id": "ftc-home-improvement", "title": "How to Avoid a Home Improvement Scam", "publisher": "Federal Trade Commission", "url": "https://consumer.ftc.gov/articles/how-avoid-home-improvement-scam", "limitations": "General federal consumer guidance. State and local contract requirements can add obligations." } ] }, { "claim": "Settlement is a symptom, not a diagnosis: A low panel shows that elevation changed; it does not prove why. The inspection should look for water paths, voids, recent plumbing or utility work, root activity, washout, adjoining construction, and the direction of movement.", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "nrcs-web-soil-survey", "nws-houston-normals", "texas-ag-home-improvement", "ftc-home-improvement" ], "scope": "This section summarizes general decision criteria within the cited sources' combined scope. It does not establish the condition, cause, compliance status, or repair fit of one property.", "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property." }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab." }, { "id": "nrcs-web-soil-survey", "title": "Web Soil Survey", "publisher": "USDA Natural Resources Conservation Service", "url": "https://websoilsurvey.nrcs.usda.gov/", "limitations": "Mapped soil data cannot reveal exact fill, compaction, leaks, utilities, erosion, or support beneath one slab." }, { "id": "nws-houston-normals", "title": "Houston IAH climate normals and annual summaries", "publisher": "National Weather Service Houston/Galveston", "url": "https://www.weather.gov/hgx/climate_iah_normals_summary", "limitations": "IAH station normals are regional context, not Tomball parcel data or proof that weather caused one slab to move." }, { "id": "texas-ag-home-improvement", "title": "How to Avoid Home Improvement Scams", "publisher": "Office of the Attorney General of Texas", "url": "https://www.texasattorneygeneral.gov/consumer-protection/home-real-estate-and-travel/how-avoid-home-improvement-scams", "limitations": "General consumer guidance, not legal advice for one contract or a statement that concrete leveling is a state-licensed trade." }, { "id": "ftc-home-improvement", "title": "How to Avoid a Home Improvement Scam", "publisher": "Federal Trade Commission", "url": "https://consumer.ftc.gov/articles/how-avoid-home-improvement-scam", "limitations": "General federal consumer guidance. State and local contract requirements can add obligations." } ] }, { "claim": "Water deserves a deliberate review: Roof runoff, downspouts, irrigation, pool splash-out, broken drains, plumbing leaks, and neighboring grades can move or concentrate water. Lifting without addressing an active source may leave the underlying condition in place.", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "nrcs-web-soil-survey", "nws-houston-normals", "texas-ag-home-improvement", "ftc-home-improvement" ], "scope": "This section summarizes general decision criteria within the cited sources' combined scope. It does not establish the condition, cause, compliance status, or repair fit of one property.", "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property." }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab." }, { "id": "nrcs-web-soil-survey", "title": "Web Soil Survey", "publisher": "USDA Natural Resources Conservation Service", "url": "https://websoilsurvey.nrcs.usda.gov/", "limitations": "Mapped soil data cannot reveal exact fill, compaction, leaks, utilities, erosion, or support beneath one slab." }, { "id": "nws-houston-normals", "title": "Houston IAH climate normals and annual summaries", "publisher": "National Weather Service Houston/Galveston", "url": "https://www.weather.gov/hgx/climate_iah_normals_summary", "limitations": "IAH station normals are regional context, not Tomball parcel data or proof that weather caused one slab to move." }, { "id": "texas-ag-home-improvement", "title": "How to Avoid Home Improvement Scams", "publisher": "Office of the Attorney General of Texas", "url": "https://www.texasattorneygeneral.gov/consumer-protection/home-real-estate-and-travel/how-avoid-home-improvement-scams", "limitations": "General consumer guidance, not legal advice for one contract or a statement that concrete leveling is a state-licensed trade." }, { "id": "ftc-home-improvement", "title": "How to Avoid a Home Improvement Scam", "publisher": "Federal Trade Commission", "url": "https://consumer.ftc.gov/articles/how-avoid-home-improvement-scam", "limitations": "General federal consumer guidance. State and local contract requirements can add obligations." } ] }, { "claim": "Ask the provider to state the cause hypothesis: The answer may remain uncertain without testing, but a competent proposal should explain what was observed, what is assumed, what conditions are excluded, and what owner actions are recommended after lifting.", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "nrcs-web-soil-survey", "nws-houston-normals", "texas-ag-home-improvement", "ftc-home-improvement" ], "scope": "This section summarizes general decision criteria within the cited sources' combined scope. It does not establish the condition, cause, compliance status, or repair fit of one property.", "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property." }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab." }, { "id": "nrcs-web-soil-survey", "title": "Web Soil Survey", "publisher": "USDA Natural Resources Conservation Service", "url": "https://websoilsurvey.nrcs.usda.gov/", "limitations": "Mapped soil data cannot reveal exact fill, compaction, leaks, utilities, erosion, or support beneath one slab." }, { "id": "nws-houston-normals", "title": "Houston IAH climate normals and annual summaries", "publisher": "National Weather Service Houston/Galveston", "url": "https://www.weather.gov/hgx/climate_iah_normals_summary", "limitations": "IAH station normals are regional context, not Tomball parcel data or proof that weather caused one slab to move." }, { "id": "texas-ag-home-improvement", "title": "How to Avoid Home Improvement Scams", "publisher": "Office of the Attorney General of Texas", "url": "https://www.texasattorneygeneral.gov/consumer-protection/home-real-estate-and-travel/how-avoid-home-improvement-scams", "limitations": "General consumer guidance, not legal advice for one contract or a statement that concrete leveling is a state-licensed trade." }, { "id": "ftc-home-improvement", "title": "How to Avoid a Home Improvement Scam", "publisher": "Federal Trade Commission", "url": "https://consumer.ftc.gov/articles/how-avoid-home-improvement-scam", "limitations": "General federal consumer guidance. State and local contract requirements can add obligations." } ] } ], "conversion": { "stage": "method-aware", "primaryAction": "Build a comparable project scope", "requestDetails": [ "The affected surfaces and visible constraints", "The same questions and photos for each provider", "Written material, target, exclusions, payment, and warranty terms" ], "reassurance": "The guide prepares a decision; it does not diagnose the property or endorse a provider." }, "editorialNotes": [ "Use source-backed comparisons and uncertainty language instead of invented local price ranges.", "Keep method guidance neutral unless a named product or documented project is explicitly in scope." ], "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "kind": "technical-guide", "authority": "primary", "supports": "Slabjacking is used to level and align slabs-on-ground affected by settlement, erosion, flooding, or shrinkage of supporting soil or base.", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property.", "reviewedAt": "2026-07-24" }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "kind": "technical-guide", "authority": "primary", "supports": "Appropriate repair selection, hole layouts, settlement mode, grout-pressure monitoring, and verification are core parts of slabjacking practice.", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab.", "reviewedAt": "2026-07-24" }, { "id": "nrcs-web-soil-survey", "title": "Web Soil Survey", "publisher": "USDA Natural Resources Conservation Service", "url": "https://websoilsurvey.nrcs.usda.gov/", "kind": "government", "authority": "primary", "supports": "Official mapped soil information and interpretations can provide regional and property-area context.", "limitations": "Mapped soil data cannot reveal exact fill, compaction, leaks, utilities, erosion, or support beneath one slab.", "reviewedAt": "2026-07-24" }, { "id": "nws-houston-normals", "title": "Houston IAH climate normals and annual summaries", "publisher": "National Weather Service Houston/Galveston", "url": "https://www.weather.gov/hgx/climate_iah_normals_summary", "kind": "government", "authority": "primary", "supports": "Houston-area climate normals document substantial annual rainfall and seasonal temperature conditions relevant to regional drainage context.", "limitations": "IAH station normals are regional context, not Tomball parcel data or proof that weather caused one slab to move.", "reviewedAt": "2026-07-24" }, { "id": "texas-ag-home-improvement", "title": "How to Avoid Home Improvement Scams", "publisher": "Office of the Attorney General of Texas", "url": "https://www.texasattorneygeneral.gov/consumer-protection/home-real-estate-and-travel/how-avoid-home-improvement-scams", "kind": "consumer-guidance", "authority": "primary", "supports": "Texas consumers are advised to obtain multiple detailed written bids, read contracts carefully, include promises in writing, keep records, and avoid full payment before satisfactory completion.", "limitations": "General consumer guidance, not legal advice for one contract or a statement that concrete leveling is a state-licensed trade.", "reviewedAt": "2026-07-24" }, { "id": "ftc-home-improvement", "title": "How to Avoid a Home Improvement Scam", "publisher": "Federal Trade Commission", "url": "https://consumer.ftc.gov/articles/how-avoid-home-improvement-scam", "kind": "consumer-guidance", "authority": "primary", "supports": "Consumers should compare estimates, verify business and insurance information, read written contracts, and avoid paying the full project amount up front.", "limitations": "General federal consumer guidance. State and local contract requirements can add obligations.", "reviewedAt": "2026-07-24" } ] }, { "key": "guide:sinking-driveway-garage-apron", "contentType": "guide", "reviewedAt": "2026-07-24", "reviewerRole": "Editorial research review", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "nrcs-web-soil-survey", "nws-houston-normals", "texas-ag-home-improvement", "ftc-home-improvement" ], "claims": [ { "claim": "Often it can be evaluated for lifting when the exterior driveway panel has settled but remains intact. The provider must confirm which slab moved and protect the garage foundation, threshold, door clearance, and drainage.", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "nrcs-web-soil-survey", "nws-houston-normals", "texas-ag-home-improvement", "ftc-home-improvement" ], "scope": "General decision support only. The cited material does not diagnose subsurface conditions, select a contractor, or guarantee an outcome for one property.", "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property." }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab." }, { "id": "nrcs-web-soil-survey", "title": "Web Soil Survey", "publisher": "USDA Natural Resources Conservation Service", "url": "https://websoilsurvey.nrcs.usda.gov/", "limitations": "Mapped soil data cannot reveal exact fill, compaction, leaks, utilities, erosion, or support beneath one slab." }, { "id": "nws-houston-normals", "title": "Houston IAH climate normals and annual summaries", "publisher": "National Weather Service Houston/Galveston", "url": "https://www.weather.gov/hgx/climate_iah_normals_summary", "limitations": "IAH station normals are regional context, not Tomball parcel data or proof that weather caused one slab to move." }, { "id": "texas-ag-home-improvement", "title": "How to Avoid Home Improvement Scams", "publisher": "Office of the Attorney General of Texas", "url": "https://www.texasattorneygeneral.gov/consumer-protection/home-real-estate-and-travel/how-avoid-home-improvement-scams", "limitations": "General consumer guidance, not legal advice for one contract or a statement that concrete leveling is a state-licensed trade." }, { "id": "ftc-home-improvement", "title": "How to Avoid a Home Improvement Scam", "publisher": "Federal Trade Commission", "url": "https://consumer.ftc.gov/articles/how-avoid-home-improvement-scam", "limitations": "General federal consumer guidance. State and local contract requirements can add obligations." } ] }, { "claim": "Start with the fixed and moving surfaces: The garage floor, foundation edge, door, and exterior panels may not have moved together. Measurements should establish reference elevations before anyone promises a flush finish.", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "nrcs-web-soil-survey", "nws-houston-normals", "texas-ag-home-improvement", "ftc-home-improvement" ], "scope": "This section summarizes general decision criteria within the cited sources' combined scope. It does not establish the condition, cause, compliance status, or repair fit of one property.", "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property." }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab." }, { "id": "nrcs-web-soil-survey", "title": "Web Soil Survey", "publisher": "USDA Natural Resources Conservation Service", "url": "https://websoilsurvey.nrcs.usda.gov/", "limitations": "Mapped soil data cannot reveal exact fill, compaction, leaks, utilities, erosion, or support beneath one slab." }, { "id": "nws-houston-normals", "title": "Houston IAH climate normals and annual summaries", "publisher": "National Weather Service Houston/Galveston", "url": "https://www.weather.gov/hgx/climate_iah_normals_summary", "limitations": "IAH station normals are regional context, not Tomball parcel data or proof that weather caused one slab to move." }, { "id": "texas-ag-home-improvement", "title": "How to Avoid Home Improvement Scams", "publisher": "Office of the Attorney General of Texas", "url": "https://www.texasattorneygeneral.gov/consumer-protection/home-real-estate-and-travel/how-avoid-home-improvement-scams", "limitations": "General consumer guidance, not legal advice for one contract or a statement that concrete leveling is a state-licensed trade." }, { "id": "ftc-home-improvement", "title": "How to Avoid a Home Improvement Scam", "publisher": "Federal Trade Commission", "url": "https://consumer.ftc.gov/articles/how-avoid-home-improvement-scam", "limitations": "General federal consumer guidance. State and local contract requirements can add obligations." } ] }, { "claim": "A perfect flush line may not be the safe target: Drainage and door clearance can require a deliberate transition. Existing panel shape and neighboring elevations may limit how far one section should move. Ask for the expected finished condition, not the comforting phrase ‘good as new.’", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "nrcs-web-soil-survey", "nws-houston-normals", "texas-ag-home-improvement", "ftc-home-improvement" ], "scope": "This section summarizes general decision criteria within the cited sources' combined scope. It does not establish the condition, cause, compliance status, or repair fit of one property.", "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property." }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab." }, { "id": "nrcs-web-soil-survey", "title": "Web Soil Survey", "publisher": "USDA Natural Resources Conservation Service", "url": "https://websoilsurvey.nrcs.usda.gov/", "limitations": "Mapped soil data cannot reveal exact fill, compaction, leaks, utilities, erosion, or support beneath one slab." }, { "id": "nws-houston-normals", "title": "Houston IAH climate normals and annual summaries", "publisher": "National Weather Service Houston/Galveston", "url": "https://www.weather.gov/hgx/climate_iah_normals_summary", "limitations": "IAH station normals are regional context, not Tomball parcel data or proof that weather caused one slab to move." }, { "id": "texas-ag-home-improvement", "title": "How to Avoid Home Improvement Scams", "publisher": "Office of the Attorney General of Texas", "url": "https://www.texasattorneygeneral.gov/consumer-protection/home-real-estate-and-travel/how-avoid-home-improvement-scams", "limitations": "General consumer guidance, not legal advice for one contract or a statement that concrete leveling is a state-licensed trade." }, { "id": "ftc-home-improvement", "title": "How to Avoid a Home Improvement Scam", "publisher": "Federal Trade Commission", "url": "https://consumer.ftc.gov/articles/how-avoid-home-improvement-scam", "limitations": "General federal consumer guidance. State and local contract requirements can add obligations." } ] }, { "claim": "Document the result: Before-and-after measurements, photos, port locations, material information, and use instructions create a useful record. They also make any warranty discussion less dependent on human memory, which is mercifully unreliable.", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "nrcs-web-soil-survey", "nws-houston-normals", "texas-ag-home-improvement", "ftc-home-improvement" ], "scope": "This section summarizes general decision criteria within the cited sources' combined scope. It does not establish the condition, cause, compliance status, or repair fit of one property.", "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property." }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab." }, { "id": "nrcs-web-soil-survey", "title": "Web Soil Survey", "publisher": "USDA Natural Resources Conservation Service", "url": "https://websoilsurvey.nrcs.usda.gov/", "limitations": "Mapped soil data cannot reveal exact fill, compaction, leaks, utilities, erosion, or support beneath one slab." }, { "id": "nws-houston-normals", "title": "Houston IAH climate normals and annual summaries", "publisher": "National Weather Service Houston/Galveston", "url": "https://www.weather.gov/hgx/climate_iah_normals_summary", "limitations": "IAH station normals are regional context, not Tomball parcel data or proof that weather caused one slab to move." }, { "id": "texas-ag-home-improvement", "title": "How to Avoid Home Improvement Scams", "publisher": "Office of the Attorney General of Texas", "url": "https://www.texasattorneygeneral.gov/consumer-protection/home-real-estate-and-travel/how-avoid-home-improvement-scams", "limitations": "General consumer guidance, not legal advice for one contract or a statement that concrete leveling is a state-licensed trade." }, { "id": "ftc-home-improvement", "title": "How to Avoid a Home Improvement Scam", "publisher": "Federal Trade Commission", "url": "https://consumer.ftc.gov/articles/how-avoid-home-improvement-scam", "limitations": "General federal consumer guidance. State and local contract requirements can add obligations." } ] } ], "conversion": { "stage": "method-aware", "primaryAction": "Build a comparable project scope", "requestDetails": [ "The affected surfaces and visible constraints", "The same questions and photos for each provider", "Written material, target, exclusions, payment, and warranty terms" ], "reassurance": "The guide prepares a decision; it does not diagnose the property or endorse a provider." }, "editorialNotes": [ "Use source-backed comparisons and uncertainty language instead of invented local price ranges.", "Keep method guidance neutral unless a named product or documented project is explicitly in scope." ], "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "kind": "technical-guide", "authority": "primary", "supports": "Slabjacking is used to level and align slabs-on-ground affected by settlement, erosion, flooding, or shrinkage of supporting soil or base.", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property.", "reviewedAt": "2026-07-24" }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "kind": "technical-guide", "authority": "primary", "supports": "Appropriate repair selection, hole layouts, settlement mode, grout-pressure monitoring, and verification are core parts of slabjacking practice.", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab.", "reviewedAt": "2026-07-24" }, { "id": "nrcs-web-soil-survey", "title": "Web Soil Survey", "publisher": "USDA Natural Resources Conservation Service", "url": "https://websoilsurvey.nrcs.usda.gov/", "kind": "government", "authority": "primary", "supports": "Official mapped soil information and interpretations can provide regional and property-area context.", "limitations": "Mapped soil data cannot reveal exact fill, compaction, leaks, utilities, erosion, or support beneath one slab.", "reviewedAt": "2026-07-24" }, { "id": "nws-houston-normals", "title": "Houston IAH climate normals and annual summaries", "publisher": "National Weather Service Houston/Galveston", "url": "https://www.weather.gov/hgx/climate_iah_normals_summary", "kind": "government", "authority": "primary", "supports": "Houston-area climate normals document substantial annual rainfall and seasonal temperature conditions relevant to regional drainage context.", "limitations": "IAH station normals are regional context, not Tomball parcel data or proof that weather caused one slab to move.", "reviewedAt": "2026-07-24" }, { "id": "texas-ag-home-improvement", "title": "How to Avoid Home Improvement Scams", "publisher": "Office of the Attorney General of Texas", "url": "https://www.texasattorneygeneral.gov/consumer-protection/home-real-estate-and-travel/how-avoid-home-improvement-scams", "kind": "consumer-guidance", "authority": "primary", "supports": "Texas consumers are advised to obtain multiple detailed written bids, read contracts carefully, include promises in writing, keep records, and avoid full payment before satisfactory completion.", "limitations": "General consumer guidance, not legal advice for one contract or a statement that concrete leveling is a state-licensed trade.", "reviewedAt": "2026-07-24" }, { "id": "ftc-home-improvement", "title": "How to Avoid a Home Improvement Scam", "publisher": "Federal Trade Commission", "url": "https://consumer.ftc.gov/articles/how-avoid-home-improvement-scam", "kind": "consumer-guidance", "authority": "primary", "supports": "Consumers should compare estimates, verify business and insurance information, read written contracts, and avoid paying the full project amount up front.", "limitations": "General federal consumer guidance. State and local contract requirements can add obligations.", "reviewedAt": "2026-07-24" } ] }, { "key": "guide:pool-deck-trip-hazards", "contentType": "guide", "reviewedAt": "2026-07-24", "reviewerRole": "Editorial research review", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "nrcs-web-soil-survey", "nws-houston-normals", "texas-ag-home-improvement", "ftc-home-improvement", "ada-level-changes", "osha-walking-surfaces", "icc-ispsc-decks", "cdc-mahc", "cpsc-pool-safety", "ada-accessible-pools" ], "claims": [ { "claim": "Some intact pool-deck panels can be lifted, but the pool shell, coping, expansion joint, skimmers, drains, plumbing, surface coating, and bonded finishes must be identified first.", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "nrcs-web-soil-survey", "nws-houston-normals", "texas-ag-home-improvement", "ftc-home-improvement", "ada-level-changes", "osha-walking-surfaces", "icc-ispsc-decks", "cdc-mahc", "cpsc-pool-safety", "ada-accessible-pools" ], "scope": "General decision support only. The cited material does not diagnose subsurface conditions, select a contractor, or guarantee an outcome for one property.", "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property." }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab." }, { "id": "nrcs-web-soil-survey", "title": "Web Soil Survey", "publisher": "USDA Natural Resources Conservation Service", "url": "https://websoilsurvey.nrcs.usda.gov/", "limitations": "Mapped soil data cannot reveal exact fill, compaction, leaks, utilities, erosion, or support beneath one slab." }, { "id": "nws-houston-normals", "title": "Houston IAH climate normals and annual summaries", "publisher": "National Weather Service Houston/Galveston", "url": "https://www.weather.gov/hgx/climate_iah_normals_summary", "limitations": "IAH station normals are regional context, not Tomball parcel data or proof that weather caused one slab to move." }, { "id": "texas-ag-home-improvement", "title": "How to Avoid Home Improvement Scams", "publisher": "Office of the Attorney General of Texas", "url": "https://www.texasattorneygeneral.gov/consumer-protection/home-real-estate-and-travel/how-avoid-home-improvement-scams", "limitations": "General consumer guidance, not legal advice for one contract or a statement that concrete leveling is a state-licensed trade." }, { "id": "ftc-home-improvement", "title": "How to Avoid a Home Improvement Scam", "publisher": "Federal Trade Commission", "url": "https://consumer.ftc.gov/articles/how-avoid-home-improvement-scam", "limitations": "General federal consumer guidance. State and local contract requirements can add obligations." }, { "id": "ada-level-changes", "title": "2010 ADA Standards for Accessible Design, Section 303", "publisher": "U.S. Department of Justice", "url": "https://www.ada.gov/law-and-regs/design-standards/2010-stds/", "limitations": "Applicability depends on facility, route, alteration, and law. This site does not provide legal or accessibility certification." }, { "id": "osha-walking-surfaces", "title": "29 CFR 1910.22: General requirements for walking-working surfaces", "publisher": "Occupational Safety and Health Administration", "url": "https://www.osha.gov/laws-regs/regulations/standardnumber/1910/1910.22", "limitations": "Workplace rule, not a universal residential standard or a substitute for project-specific safety and legal review." }, { "id": "icc-ispsc-decks", "title": "2024 International Swimming Pool and Spa Code, Chapter 3", "publisher": "International Code Council", "url": "https://codes.iccsafe.org/content/ISPSC2024P1/chapter-3-general-compliance", "limitations": "A model code. Confirm the adopted local code, amendments, project type, and jurisdiction before relying on a requirement." }, { "id": "cdc-mahc", "title": "About the Model Aquatic Health Code", "publisher": "Centers for Disease Control and Prevention", "url": "https://www.cdc.gov/model-aquatic-health-code/index.html", "limitations": "CDC guidance, not federal law. It becomes enforceable only when adopted by a jurisdiction." }, { "id": "cpsc-pool-safety", "title": "CPSC Advises Consumers on Swimming Pool Safety", "publisher": "U.S. Consumer Product Safety Commission", "url": "https://www.cpsc.gov/Newsroom/News-Releases/1976/CPSC-Advises-Consumers-On-Swimming-Pool-Safety", "limitations": "General consumer safety guidance, not a current local building-code determination or repair specification." }, { "id": "ada-accessible-pools", "title": "ADA Requirements: Accessible Pools, Means of Entry and Exit", "publisher": "U.S. Department of Justice", "url": "https://www.ada.gov/resources/accessible-pools-requirements/", "limitations": "Does not prescribe a concrete-lifting method or certify a finished pool deck." } ] }, { "claim": "Pool components create fixed constraints: A deck panel may be close to components that should not move with it. The provider should map those features and use conservative target elevations. Suspected leaks deserve separate evaluation before lifting.", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "nrcs-web-soil-survey", "nws-houston-normals", "texas-ag-home-improvement", "ftc-home-improvement", "ada-level-changes", "osha-walking-surfaces", "icc-ispsc-decks", "cdc-mahc", "cpsc-pool-safety", "ada-accessible-pools" ], "scope": "This section summarizes general decision criteria within the cited sources' combined scope. It does not establish the condition, cause, compliance status, or repair fit of one property.", "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property." }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab." }, { "id": "nrcs-web-soil-survey", "title": "Web Soil Survey", "publisher": "USDA Natural Resources Conservation Service", "url": "https://websoilsurvey.nrcs.usda.gov/", "limitations": "Mapped soil data cannot reveal exact fill, compaction, leaks, utilities, erosion, or support beneath one slab." }, { "id": "nws-houston-normals", "title": "Houston IAH climate normals and annual summaries", "publisher": "National Weather Service Houston/Galveston", "url": "https://www.weather.gov/hgx/climate_iah_normals_summary", "limitations": "IAH station normals are regional context, not Tomball parcel data or proof that weather caused one slab to move." }, { "id": "texas-ag-home-improvement", "title": "How to Avoid Home Improvement Scams", "publisher": "Office of the Attorney General of Texas", "url": "https://www.texasattorneygeneral.gov/consumer-protection/home-real-estate-and-travel/how-avoid-home-improvement-scams", "limitations": "General consumer guidance, not legal advice for one contract or a statement that concrete leveling is a state-licensed trade." }, { "id": "ftc-home-improvement", "title": "How to Avoid a Home Improvement Scam", "publisher": "Federal Trade Commission", "url": "https://consumer.ftc.gov/articles/how-avoid-home-improvement-scam", "limitations": "General federal consumer guidance. State and local contract requirements can add obligations." }, { "id": "ada-level-changes", "title": "2010 ADA Standards for Accessible Design, Section 303", "publisher": "U.S. Department of Justice", "url": "https://www.ada.gov/law-and-regs/design-standards/2010-stds/", "limitations": "Applicability depends on facility, route, alteration, and law. This site does not provide legal or accessibility certification." }, { "id": "osha-walking-surfaces", "title": "29 CFR 1910.22: General requirements for walking-working surfaces", "publisher": "Occupational Safety and Health Administration", "url": "https://www.osha.gov/laws-regs/regulations/standardnumber/1910/1910.22", "limitations": "Workplace rule, not a universal residential standard or a substitute for project-specific safety and legal review." }, { "id": "icc-ispsc-decks", "title": "2024 International Swimming Pool and Spa Code, Chapter 3", "publisher": "International Code Council", "url": "https://codes.iccsafe.org/content/ISPSC2024P1/chapter-3-general-compliance", "limitations": "A model code. Confirm the adopted local code, amendments, project type, and jurisdiction before relying on a requirement." }, { "id": "cdc-mahc", "title": "About the Model Aquatic Health Code", "publisher": "Centers for Disease Control and Prevention", "url": "https://www.cdc.gov/model-aquatic-health-code/index.html", "limitations": "CDC guidance, not federal law. It becomes enforceable only when adopted by a jurisdiction." }, { "id": "cpsc-pool-safety", "title": "CPSC Advises Consumers on Swimming Pool Safety", "publisher": "U.S. Consumer Product Safety Commission", "url": "https://www.cpsc.gov/Newsroom/News-Releases/1976/CPSC-Advises-Consumers-On-Swimming-Pool-Safety", "limitations": "General consumer safety guidance, not a current local building-code determination or repair specification." }, { "id": "ada-accessible-pools", "title": "ADA Requirements: Accessible Pools, Means of Entry and Exit", "publisher": "U.S. Department of Justice", "url": "https://www.ada.gov/resources/accessible-pools-requirements/", "limitations": "Does not prescribe a concrete-lifting method or certify a finished pool deck." } ] }, { "claim": "Trip risk and accessibility are project-specific: Private residential pools and covered public or commercial facilities can face different requirements. For a regulated facility, compare the finished route against applicable accessibility and safety standards with qualified professionals.", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "nrcs-web-soil-survey", "nws-houston-normals", "texas-ag-home-improvement", "ftc-home-improvement", "ada-level-changes", "osha-walking-surfaces", "icc-ispsc-decks", "cdc-mahc", "cpsc-pool-safety", "ada-accessible-pools" ], "scope": "This section summarizes general decision criteria within the cited sources' combined scope. It does not establish the condition, cause, compliance status, or repair fit of one property.", "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property." }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab." }, { "id": "nrcs-web-soil-survey", "title": "Web Soil Survey", "publisher": "USDA Natural Resources Conservation Service", "url": "https://websoilsurvey.nrcs.usda.gov/", "limitations": "Mapped soil data cannot reveal exact fill, compaction, leaks, utilities, erosion, or support beneath one slab." }, { "id": "nws-houston-normals", "title": "Houston IAH climate normals and annual summaries", "publisher": "National Weather Service Houston/Galveston", "url": "https://www.weather.gov/hgx/climate_iah_normals_summary", "limitations": "IAH station normals are regional context, not Tomball parcel data or proof that weather caused one slab to move." }, { "id": "texas-ag-home-improvement", "title": "How to Avoid Home Improvement Scams", "publisher": "Office of the Attorney General of Texas", "url": "https://www.texasattorneygeneral.gov/consumer-protection/home-real-estate-and-travel/how-avoid-home-improvement-scams", "limitations": "General consumer guidance, not legal advice for one contract or a statement that concrete leveling is a state-licensed trade." }, { "id": "ftc-home-improvement", "title": "How to Avoid a Home Improvement Scam", "publisher": "Federal Trade Commission", "url": "https://consumer.ftc.gov/articles/how-avoid-home-improvement-scam", "limitations": "General federal consumer guidance. State and local contract requirements can add obligations." }, { "id": "ada-level-changes", "title": "2010 ADA Standards for Accessible Design, Section 303", "publisher": "U.S. Department of Justice", "url": "https://www.ada.gov/law-and-regs/design-standards/2010-stds/", "limitations": "Applicability depends on facility, route, alteration, and law. This site does not provide legal or accessibility certification." }, { "id": "osha-walking-surfaces", "title": "29 CFR 1910.22: General requirements for walking-working surfaces", "publisher": "Occupational Safety and Health Administration", "url": "https://www.osha.gov/laws-regs/regulations/standardnumber/1910/1910.22", "limitations": "Workplace rule, not a universal residential standard or a substitute for project-specific safety and legal review." }, { "id": "icc-ispsc-decks", "title": "2024 International Swimming Pool and Spa Code, Chapter 3", "publisher": "International Code Council", "url": "https://codes.iccsafe.org/content/ISPSC2024P1/chapter-3-general-compliance", "limitations": "A model code. Confirm the adopted local code, amendments, project type, and jurisdiction before relying on a requirement." }, { "id": "cdc-mahc", "title": "About the Model Aquatic Health Code", "publisher": "Centers for Disease Control and Prevention", "url": "https://www.cdc.gov/model-aquatic-health-code/index.html", "limitations": "CDC guidance, not federal law. It becomes enforceable only when adopted by a jurisdiction." }, { "id": "cpsc-pool-safety", "title": "CPSC Advises Consumers on Swimming Pool Safety", "publisher": "U.S. Consumer Product Safety Commission", "url": "https://www.cpsc.gov/Newsroom/News-Releases/1976/CPSC-Advises-Consumers-On-Swimming-Pool-Safety", "limitations": "General consumer safety guidance, not a current local building-code determination or repair specification." }, { "id": "ada-accessible-pools", "title": "ADA Requirements: Accessible Pools, Means of Entry and Exit", "publisher": "U.S. Department of Justice", "url": "https://www.ada.gov/resources/accessible-pools-requirements/", "limitations": "Does not prescribe a concrete-lifting method or certify a finished pool deck." } ] }, { "claim": "Ask how the surface will look afterward: Ports are patched, not erased from history. Coatings can chip, crack, or require separate touch-up. A proposal should distinguish structural elevation work from cosmetic refinishing.", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "nrcs-web-soil-survey", "nws-houston-normals", "texas-ag-home-improvement", "ftc-home-improvement", "ada-level-changes", "osha-walking-surfaces", "icc-ispsc-decks", "cdc-mahc", "cpsc-pool-safety", "ada-accessible-pools" ], "scope": "This section summarizes general decision criteria within the cited sources' combined scope. It does not establish the condition, cause, compliance status, or repair fit of one property.", "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property." }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab." }, { "id": "nrcs-web-soil-survey", "title": "Web Soil Survey", "publisher": "USDA Natural Resources Conservation Service", "url": "https://websoilsurvey.nrcs.usda.gov/", "limitations": "Mapped soil data cannot reveal exact fill, compaction, leaks, utilities, erosion, or support beneath one slab." }, { "id": "nws-houston-normals", "title": "Houston IAH climate normals and annual summaries", "publisher": "National Weather Service Houston/Galveston", "url": "https://www.weather.gov/hgx/climate_iah_normals_summary", "limitations": "IAH station normals are regional context, not Tomball parcel data or proof that weather caused one slab to move." }, { "id": "texas-ag-home-improvement", "title": "How to Avoid Home Improvement Scams", "publisher": "Office of the Attorney General of Texas", "url": "https://www.texasattorneygeneral.gov/consumer-protection/home-real-estate-and-travel/how-avoid-home-improvement-scams", "limitations": "General consumer guidance, not legal advice for one contract or a statement that concrete leveling is a state-licensed trade." }, { "id": "ftc-home-improvement", "title": "How to Avoid a Home Improvement Scam", "publisher": "Federal Trade Commission", "url": "https://consumer.ftc.gov/articles/how-avoid-home-improvement-scam", "limitations": "General federal consumer guidance. State and local contract requirements can add obligations." }, { "id": "ada-level-changes", "title": "2010 ADA Standards for Accessible Design, Section 303", "publisher": "U.S. Department of Justice", "url": "https://www.ada.gov/law-and-regs/design-standards/2010-stds/", "limitations": "Applicability depends on facility, route, alteration, and law. This site does not provide legal or accessibility certification." }, { "id": "osha-walking-surfaces", "title": "29 CFR 1910.22: General requirements for walking-working surfaces", "publisher": "Occupational Safety and Health Administration", "url": "https://www.osha.gov/laws-regs/regulations/standardnumber/1910/1910.22", "limitations": "Workplace rule, not a universal residential standard or a substitute for project-specific safety and legal review." }, { "id": "icc-ispsc-decks", "title": "2024 International Swimming Pool and Spa Code, Chapter 3", "publisher": "International Code Council", "url": "https://codes.iccsafe.org/content/ISPSC2024P1/chapter-3-general-compliance", "limitations": "A model code. Confirm the adopted local code, amendments, project type, and jurisdiction before relying on a requirement." }, { "id": "cdc-mahc", "title": "About the Model Aquatic Health Code", "publisher": "Centers for Disease Control and Prevention", "url": "https://www.cdc.gov/model-aquatic-health-code/index.html", "limitations": "CDC guidance, not federal law. It becomes enforceable only when adopted by a jurisdiction." }, { "id": "cpsc-pool-safety", "title": "CPSC Advises Consumers on Swimming Pool Safety", "publisher": "U.S. Consumer Product Safety Commission", "url": "https://www.cpsc.gov/Newsroom/News-Releases/1976/CPSC-Advises-Consumers-On-Swimming-Pool-Safety", "limitations": "General consumer safety guidance, not a current local building-code determination or repair specification." }, { "id": "ada-accessible-pools", "title": "ADA Requirements: Accessible Pools, Means of Entry and Exit", "publisher": "U.S. Department of Justice", "url": "https://www.ada.gov/resources/accessible-pools-requirements/", "limitations": "Does not prescribe a concrete-lifting method or certify a finished pool deck." } ] } ], "conversion": { "stage": "method-aware", "primaryAction": "Build a comparable project scope", "requestDetails": [ "The affected surfaces and visible constraints", "The same questions and photos for each provider", "Written material, target, exclusions, payment, and warranty terms" ], "reassurance": "The guide prepares a decision; it does not diagnose the property or endorse a provider." }, "editorialNotes": [ "Use source-backed comparisons and uncertainty language instead of invented local price ranges.", "Keep method guidance neutral unless a named product or documented project is explicitly in scope." ], "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "kind": "technical-guide", "authority": "primary", "supports": "Slabjacking is used to level and align slabs-on-ground affected by settlement, erosion, flooding, or shrinkage of supporting soil or base.", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property.", "reviewedAt": "2026-07-24" }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "kind": "technical-guide", "authority": "primary", "supports": "Appropriate repair selection, hole layouts, settlement mode, grout-pressure monitoring, and verification are core parts of slabjacking practice.", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab.", "reviewedAt": "2026-07-24" }, { "id": "nrcs-web-soil-survey", "title": "Web Soil Survey", "publisher": "USDA Natural Resources Conservation Service", "url": "https://websoilsurvey.nrcs.usda.gov/", "kind": "government", "authority": "primary", "supports": "Official mapped soil information and interpretations can provide regional and property-area context.", "limitations": "Mapped soil data cannot reveal exact fill, compaction, leaks, utilities, erosion, or support beneath one slab.", "reviewedAt": "2026-07-24" }, { "id": "nws-houston-normals", "title": "Houston IAH climate normals and annual summaries", "publisher": "National Weather Service Houston/Galveston", "url": "https://www.weather.gov/hgx/climate_iah_normals_summary", "kind": "government", "authority": "primary", "supports": "Houston-area climate normals document substantial annual rainfall and seasonal temperature conditions relevant to regional drainage context.", "limitations": "IAH station normals are regional context, not Tomball parcel data or proof that weather caused one slab to move.", "reviewedAt": "2026-07-24" }, { "id": "texas-ag-home-improvement", "title": "How to Avoid Home Improvement Scams", "publisher": "Office of the Attorney General of Texas", "url": "https://www.texasattorneygeneral.gov/consumer-protection/home-real-estate-and-travel/how-avoid-home-improvement-scams", "kind": "consumer-guidance", "authority": "primary", "supports": "Texas consumers are advised to obtain multiple detailed written bids, read contracts carefully, include promises in writing, keep records, and avoid full payment before satisfactory completion.", "limitations": "General consumer guidance, not legal advice for one contract or a statement that concrete leveling is a state-licensed trade.", "reviewedAt": "2026-07-24" }, { "id": "ftc-home-improvement", "title": "How to Avoid a Home Improvement Scam", "publisher": "Federal Trade Commission", "url": "https://consumer.ftc.gov/articles/how-avoid-home-improvement-scam", "kind": "consumer-guidance", "authority": "primary", "supports": "Consumers should compare estimates, verify business and insurance information, read written contracts, and avoid paying the full project amount up front.", "limitations": "General federal consumer guidance. State and local contract requirements can add obligations.", "reviewedAt": "2026-07-24" }, { "id": "ada-level-changes", "title": "2010 ADA Standards for Accessible Design, Section 303", "publisher": "U.S. Department of Justice", "url": "https://www.ada.gov/law-and-regs/design-standards/2010-stds/", "kind": "standard", "authority": "primary", "supports": "For covered facilities, Section 303 limits vertical and beveled changes in level and requires larger changes to comply with ramp or curb-ramp provisions.", "limitations": "Applicability depends on facility, route, alteration, and law. This site does not provide legal or accessibility certification.", "reviewedAt": "2026-07-24" }, { "id": "osha-walking-surfaces", "title": "29 CFR 1910.22: General requirements for walking-working surfaces", "publisher": "Occupational Safety and Health Administration", "url": "https://www.osha.gov/laws-regs/regulations/standardnumber/1910/1910.22", "kind": "standard", "authority": "primary", "supports": "General-industry employers must maintain walking-working surfaces, inspect them, correct hazards, and ensure they support intended loads.", "limitations": "Workplace rule, not a universal residential standard or a substitute for project-specific safety and legal review.", "reviewedAt": "2026-07-24" }, { "id": "icc-ispsc-decks", "title": "2024 International Swimming Pool and Spa Code, Chapter 3", "publisher": "International Code Council", "url": "https://codes.iccsafe.org/content/ISPSC2024P1/chapter-3-general-compliance", "kind": "standard", "authority": "primary", "supports": "Model-code provisions address pool-deck slope, drainage, gaps, and transitions.", "limitations": "A model code. Confirm the adopted local code, amendments, project type, and jurisdiction before relying on a requirement.", "reviewedAt": "2026-07-24" }, { "id": "cdc-mahc", "title": "About the Model Aquatic Health Code", "publisher": "Centers for Disease Control and Prevention", "url": "https://www.cdc.gov/model-aquatic-health-code/index.html", "kind": "government", "authority": "primary", "supports": "The MAHC provides science-based guidance for public aquatic venues, including pools at hotels, apartment complexes, homeowners associations, schools, clubs, and waterparks.", "limitations": "CDC guidance, not federal law. It becomes enforceable only when adopted by a jurisdiction.", "reviewedAt": "2026-07-24" }, { "id": "cpsc-pool-safety", "title": "CPSC Advises Consumers on Swimming Pool Safety", "publisher": "U.S. Consumer Product Safety Commission", "url": "https://www.cpsc.gov/Newsroom/News-Releases/1976/CPSC-Advises-Consumers-On-Swimming-Pool-Safety", "kind": "government", "authority": "primary", "supports": "CPSC consumer guidance recommends non-slip materials around pools and attention to safe pool construction and maintenance.", "limitations": "General consumer safety guidance, not a current local building-code determination or repair specification.", "reviewedAt": "2026-07-24" }, { "id": "ada-accessible-pools", "title": "ADA Requirements: Accessible Pools, Means of Entry and Exit", "publisher": "U.S. Department of Justice", "url": "https://www.ada.gov/resources/accessible-pools-requirements/", "kind": "government", "authority": "primary", "supports": "Public entities and public accommodations can have accessibility obligations for swimming pools and related routes.", "limitations": "Does not prescribe a concrete-lifting method or certify a finished pool deck.", "reviewedAt": "2026-07-24" } ] }, { "key": "guide:concrete-leveling-estimate-checklist", "contentType": "guide", "reviewedAt": "2026-07-24", "reviewerRole": "Editorial research review", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "nrcs-web-soil-survey", "nws-houston-normals", "texas-ag-home-improvement", "ftc-home-improvement" ], "claims": [ { "claim": "Verify the business and insurance information relevant to the job, compare written scopes, identify the material and target elevations, review exclusions and risks, understand payment and warranty terms, and keep before-and-after records.", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "nrcs-web-soil-survey", "nws-houston-normals", "texas-ag-home-improvement", "ftc-home-improvement" ], "scope": "General decision support only. The cited material does not diagnose subsurface conditions, select a contractor, or guarantee an outcome for one property.", "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property." }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab." }, { "id": "nrcs-web-soil-survey", "title": "Web Soil Survey", "publisher": "USDA Natural Resources Conservation Service", "url": "https://websoilsurvey.nrcs.usda.gov/", "limitations": "Mapped soil data cannot reveal exact fill, compaction, leaks, utilities, erosion, or support beneath one slab." }, { "id": "nws-houston-normals", "title": "Houston IAH climate normals and annual summaries", "publisher": "National Weather Service Houston/Galveston", "url": "https://www.weather.gov/hgx/climate_iah_normals_summary", "limitations": "IAH station normals are regional context, not Tomball parcel data or proof that weather caused one slab to move." }, { "id": "texas-ag-home-improvement", "title": "How to Avoid Home Improvement Scams", "publisher": "Office of the Attorney General of Texas", "url": "https://www.texasattorneygeneral.gov/consumer-protection/home-real-estate-and-travel/how-avoid-home-improvement-scams", "limitations": "General consumer guidance, not legal advice for one contract or a statement that concrete leveling is a state-licensed trade." }, { "id": "ftc-home-improvement", "title": "How to Avoid a Home Improvement Scam", "publisher": "Federal Trade Commission", "url": "https://consumer.ftc.gov/articles/how-avoid-home-improvement-scam", "limitations": "General federal consumer guidance. State and local contract requirements can add obligations." } ] }, { "claim": "Before requesting estimates: Good intake information saves everyone a pointless truck roll. Photograph the whole surface and the problem details, note the address and access, and describe water flow, known leaks, utilities, roots, or prior repairs.", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "nrcs-web-soil-survey", "nws-houston-normals", "texas-ag-home-improvement", "ftc-home-improvement" ], "scope": "This section summarizes general decision criteria within the cited sources' combined scope. It does not establish the condition, cause, compliance status, or repair fit of one property.", "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property." }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab." }, { "id": "nrcs-web-soil-survey", "title": "Web Soil Survey", "publisher": "USDA Natural Resources Conservation Service", "url": "https://websoilsurvey.nrcs.usda.gov/", "limitations": "Mapped soil data cannot reveal exact fill, compaction, leaks, utilities, erosion, or support beneath one slab." }, { "id": "nws-houston-normals", "title": "Houston IAH climate normals and annual summaries", "publisher": "National Weather Service Houston/Galveston", "url": "https://www.weather.gov/hgx/climate_iah_normals_summary", "limitations": "IAH station normals are regional context, not Tomball parcel data or proof that weather caused one slab to move." }, { "id": "texas-ag-home-improvement", "title": "How to Avoid Home Improvement Scams", "publisher": "Office of the Attorney General of Texas", "url": "https://www.texasattorneygeneral.gov/consumer-protection/home-real-estate-and-travel/how-avoid-home-improvement-scams", "limitations": "General consumer guidance, not legal advice for one contract or a statement that concrete leveling is a state-licensed trade." }, { "id": "ftc-home-improvement", "title": "How to Avoid a Home Improvement Scam", "publisher": "Federal Trade Commission", "url": "https://consumer.ftc.gov/articles/how-avoid-home-improvement-scam", "limitations": "General federal consumer guidance. State and local contract requirements can add obligations." } ] }, { "claim": "Before accepting a proposal: Confirm the legal business name and who will perform the work. Request documentation appropriate to the project and verify it with the issuer when material. Do not rely on a badge copied onto a landing page.", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "nrcs-web-soil-survey", "nws-houston-normals", "texas-ag-home-improvement", "ftc-home-improvement" ], "scope": "This section summarizes general decision criteria within the cited sources' combined scope. It does not establish the condition, cause, compliance status, or repair fit of one property.", "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property." }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab." }, { "id": "nrcs-web-soil-survey", "title": "Web Soil Survey", "publisher": "USDA Natural Resources Conservation Service", "url": "https://websoilsurvey.nrcs.usda.gov/", "limitations": "Mapped soil data cannot reveal exact fill, compaction, leaks, utilities, erosion, or support beneath one slab." }, { "id": "nws-houston-normals", "title": "Houston IAH climate normals and annual summaries", "publisher": "National Weather Service Houston/Galveston", "url": "https://www.weather.gov/hgx/climate_iah_normals_summary", "limitations": "IAH station normals are regional context, not Tomball parcel data or proof that weather caused one slab to move." }, { "id": "texas-ag-home-improvement", "title": "How to Avoid Home Improvement Scams", "publisher": "Office of the Attorney General of Texas", "url": "https://www.texasattorneygeneral.gov/consumer-protection/home-real-estate-and-travel/how-avoid-home-improvement-scams", "limitations": "General consumer guidance, not legal advice for one contract or a statement that concrete leveling is a state-licensed trade." }, { "id": "ftc-home-improvement", "title": "How to Avoid a Home Improvement Scam", "publisher": "Federal Trade Commission", "url": "https://consumer.ftc.gov/articles/how-avoid-home-improvement-scam", "limitations": "General federal consumer guidance. State and local contract requirements can add obligations." } ] }, { "claim": "After the work: Save the signed scope, invoice, measurements, photos, material information, use instructions, and warranty. Monitor drainage and follow any owner-maintenance requirements.", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "nrcs-web-soil-survey", "nws-houston-normals", "texas-ag-home-improvement", "ftc-home-improvement" ], "scope": "This section summarizes general decision criteria within the cited sources' combined scope. It does not establish the condition, cause, compliance status, or repair fit of one property.", "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property." }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab." }, { "id": "nrcs-web-soil-survey", "title": "Web Soil Survey", "publisher": "USDA Natural Resources Conservation Service", "url": "https://websoilsurvey.nrcs.usda.gov/", "limitations": "Mapped soil data cannot reveal exact fill, compaction, leaks, utilities, erosion, or support beneath one slab." }, { "id": "nws-houston-normals", "title": "Houston IAH climate normals and annual summaries", "publisher": "National Weather Service Houston/Galveston", "url": "https://www.weather.gov/hgx/climate_iah_normals_summary", "limitations": "IAH station normals are regional context, not Tomball parcel data or proof that weather caused one slab to move." }, { "id": "texas-ag-home-improvement", "title": "How to Avoid Home Improvement Scams", "publisher": "Office of the Attorney General of Texas", "url": "https://www.texasattorneygeneral.gov/consumer-protection/home-real-estate-and-travel/how-avoid-home-improvement-scams", "limitations": "General consumer guidance, not legal advice for one contract or a statement that concrete leveling is a state-licensed trade." }, { "id": "ftc-home-improvement", "title": "How to Avoid a Home Improvement Scam", "publisher": "Federal Trade Commission", "url": "https://consumer.ftc.gov/articles/how-avoid-home-improvement-scam", "limitations": "General federal consumer guidance. State and local contract requirements can add obligations." } ] } ], "conversion": { "stage": "provider-aware", "primaryAction": "Build a comparable project scope", "requestDetails": [ "The affected surfaces and visible constraints", "The same questions and photos for each provider", "Written material, target, exclusions, payment, and warranty terms" ], "reassurance": "The guide prepares a decision; it does not diagnose the property or endorse a provider." }, "editorialNotes": [ "Use source-backed comparisons and uncertainty language instead of invented local price ranges.", "Keep method guidance neutral unless a named product or documented project is explicitly in scope." ], "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "kind": "technical-guide", "authority": "primary", "supports": "Slabjacking is used to level and align slabs-on-ground affected by settlement, erosion, flooding, or shrinkage of supporting soil or base.", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property.", "reviewedAt": "2026-07-24" }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "kind": "technical-guide", "authority": "primary", "supports": "Appropriate repair selection, hole layouts, settlement mode, grout-pressure monitoring, and verification are core parts of slabjacking practice.", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab.", "reviewedAt": "2026-07-24" }, { "id": "nrcs-web-soil-survey", "title": "Web Soil Survey", "publisher": "USDA Natural Resources Conservation Service", "url": "https://websoilsurvey.nrcs.usda.gov/", "kind": "government", "authority": "primary", "supports": "Official mapped soil information and interpretations can provide regional and property-area context.", "limitations": "Mapped soil data cannot reveal exact fill, compaction, leaks, utilities, erosion, or support beneath one slab.", "reviewedAt": "2026-07-24" }, { "id": "nws-houston-normals", "title": "Houston IAH climate normals and annual summaries", "publisher": "National Weather Service Houston/Galveston", "url": "https://www.weather.gov/hgx/climate_iah_normals_summary", "kind": "government", "authority": "primary", "supports": "Houston-area climate normals document substantial annual rainfall and seasonal temperature conditions relevant to regional drainage context.", "limitations": "IAH station normals are regional context, not Tomball parcel data or proof that weather caused one slab to move.", "reviewedAt": "2026-07-24" }, { "id": "texas-ag-home-improvement", "title": "How to Avoid Home Improvement Scams", "publisher": "Office of the Attorney General of Texas", "url": "https://www.texasattorneygeneral.gov/consumer-protection/home-real-estate-and-travel/how-avoid-home-improvement-scams", "kind": "consumer-guidance", "authority": "primary", "supports": "Texas consumers are advised to obtain multiple detailed written bids, read contracts carefully, include promises in writing, keep records, and avoid full payment before satisfactory completion.", "limitations": "General consumer guidance, not legal advice for one contract or a statement that concrete leveling is a state-licensed trade.", "reviewedAt": "2026-07-24" }, { "id": "ftc-home-improvement", "title": "How to Avoid a Home Improvement Scam", "publisher": "Federal Trade Commission", "url": "https://consumer.ftc.gov/articles/how-avoid-home-improvement-scam", "kind": "consumer-guidance", "authority": "primary", "supports": "Consumers should compare estimates, verify business and insurance information, read written contracts, and avoid paying the full project amount up front.", "limitations": "General federal consumer guidance. State and local contract requirements can add obligations.", "reviewedAt": "2026-07-24" } ] }, { "key": "resource:sunken-concrete-repair-tomball", "contentType": "resource", "reviewedAt": "2026-07-24", "reviewerRole": "Editorial research review", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "nrcs-web-soil-survey", "nws-houston-normals" ], "claims": [ { "claim": "Sunken concrete may be lifted when the slab is still usable and the main problem is lost support or elevation. Mudjacking and polyurethane foam are common lifting approaches. Severely broken, deteriorated, root-displaced, or badly designed slabs may need replacement instead.", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "nrcs-web-soil-survey", "nws-houston-normals" ], "scope": "General decision support only. The cited material does not diagnose subsurface conditions, select a contractor, or guarantee an outcome for one property.", "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property." }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab." }, { "id": "nrcs-web-soil-survey", "title": "Web Soil Survey", "publisher": "USDA Natural Resources Conservation Service", "url": "https://websoilsurvey.nrcs.usda.gov/", "limitations": "Mapped soil data cannot reveal exact fill, compaction, leaks, utilities, erosion, or support beneath one slab." }, { "id": "nws-houston-normals", "title": "Houston IAH climate normals and annual summaries", "publisher": "National Weather Service Houston/Galveston", "url": "https://www.weather.gov/hgx/climate_iah_normals_summary", "limitations": "IAH station normals are regional context, not Tomball parcel data or proof that weather caused one slab to move." } ] }, { "claim": "Start with slab condition and movement: A low slab can look repairable from one angle while hiding fragmented concrete, a fixed obstruction, or a transition that cannot be raised without creating another problem. The provider should measure the low area, inspect cracks and joints, identify nearby structures, and explain the intended finished elevation.", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "nrcs-web-soil-survey", "nws-houston-normals" ], "scope": "This section summarizes general decision criteria within the cited sources' combined scope. It does not establish the condition, cause, compliance status, or repair fit of one property.", "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property." }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab." }, { "id": "nrcs-web-soil-survey", "title": "Web Soil Survey", "publisher": "USDA Natural Resources Conservation Service", "url": "https://websoilsurvey.nrcs.usda.gov/", "limitations": "Mapped soil data cannot reveal exact fill, compaction, leaks, utilities, erosion, or support beneath one slab." }, { "id": "nws-houston-normals", "title": "Houston IAH climate normals and annual summaries", "publisher": "National Weather Service Houston/Galveston", "url": "https://www.weather.gov/hgx/climate_iah_normals_summary", "limitations": "IAH station normals are regional context, not Tomball parcel data or proof that weather caused one slab to move." } ] }, { "claim": "Compare lifting with replacement: Lifting can reduce demolition and downtime when existing concrete remains serviceable. Replacement creates an opportunity to change thickness, reinforcement, dimensions, slope, joints, and finish, but it also adds removal, disposal, curing, and access requirements.", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "nrcs-web-soil-survey", "nws-houston-normals" ], "scope": "This section summarizes general decision criteria within the cited sources' combined scope. It does not establish the condition, cause, compliance status, or repair fit of one property.", "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property." }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab." }, { "id": "nrcs-web-soil-survey", "title": "Web Soil Survey", "publisher": "USDA Natural Resources Conservation Service", "url": "https://websoilsurvey.nrcs.usda.gov/", "limitations": "Mapped soil data cannot reveal exact fill, compaction, leaks, utilities, erosion, or support beneath one slab." }, { "id": "nws-houston-normals", "title": "Houston IAH climate normals and annual summaries", "publisher": "National Weather Service Houston/Galveston", "url": "https://www.weather.gov/hgx/climate_iah_normals_summary", "limitations": "IAH station normals are regional context, not Tomball parcel data or proof that weather caused one slab to move." } ] }, { "claim": "Address active water or support problems: Concrete leveling changes support and elevation. It does not automatically repair leaking lines, failing drains, roof runoff, erosion, or unstable edge support. Those conditions may need separate work before or alongside lifting.", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "nrcs-web-soil-survey", "nws-houston-normals" ], "scope": "This section summarizes general decision criteria within the cited sources' combined scope. It does not establish the condition, cause, compliance status, or repair fit of one property.", "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property." }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab." }, { "id": "nrcs-web-soil-survey", "title": "Web Soil Survey", "publisher": "USDA Natural Resources Conservation Service", "url": "https://websoilsurvey.nrcs.usda.gov/", "limitations": "Mapped soil data cannot reveal exact fill, compaction, leaks, utilities, erosion, or support beneath one slab." }, { "id": "nws-houston-normals", "title": "Houston IAH climate normals and annual summaries", "publisher": "National Weather Service Houston/Galveston", "url": "https://www.weather.gov/hgx/climate_iah_normals_summary", "limitations": "IAH station normals are regional context, not Tomball parcel data or proof that weather caused one slab to move." } ] } ], "conversion": { "stage": "ready-to-request", "primaryAction": "Request a slab assessment", "requestDetails": [ "Surface and exact location of the change", "What moved, how much, and whether it rocks or ponds water", "Known leaks, runoff, roots, utilities, or prior repairs" ], "reassurance": "No obligation. The request may be shared with one independent provider only after consent. Provider availability is not guaranteed." }, "editorialNotes": [ "The direct answer must remain concise enough to quote without removing the limitation that follows it.", "Natural-language variants guide coverage; they are not a license to repeat the same keyword in every paragraph." ], "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "kind": "technical-guide", "authority": "primary", "supports": "Slabjacking is used to level and align slabs-on-ground affected by settlement, erosion, flooding, or shrinkage of supporting soil or base.", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property.", "reviewedAt": "2026-07-24" }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "kind": "technical-guide", "authority": "primary", "supports": "Appropriate repair selection, hole layouts, settlement mode, grout-pressure monitoring, and verification are core parts of slabjacking practice.", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab.", "reviewedAt": "2026-07-24" }, { "id": "nrcs-web-soil-survey", "title": "Web Soil Survey", "publisher": "USDA Natural Resources Conservation Service", "url": "https://websoilsurvey.nrcs.usda.gov/", "kind": "government", "authority": "primary", "supports": "Official mapped soil information and interpretations can provide regional and property-area context.", "limitations": "Mapped soil data cannot reveal exact fill, compaction, leaks, utilities, erosion, or support beneath one slab.", "reviewedAt": "2026-07-24" }, { "id": "nws-houston-normals", "title": "Houston IAH climate normals and annual summaries", "publisher": "National Weather Service Houston/Galveston", "url": "https://www.weather.gov/hgx/climate_iah_normals_summary", "kind": "government", "authority": "primary", "supports": "Houston-area climate normals document substantial annual rainfall and seasonal temperature conditions relevant to regional drainage context.", "limitations": "IAH station normals are regional context, not Tomball parcel data or proof that weather caused one slab to move.", "reviewedAt": "2026-07-24" } ] }, { "key": "resource:uneven-concrete-trip-hazard", "contentType": "resource", "reviewedAt": "2026-07-24", "reviewerRole": "Editorial research review", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "nrcs-web-soil-survey", "nws-houston-normals", "ada-level-changes", "osha-walking-surfaces" ], "claims": [ { "claim": "The repair depends on why the elevation changed and how much usable concrete remains. Low intact panels may be lifted, small raised edges may be ground in some situations, and broken or root-displaced panels may need replacement. The finished walking transition should be measured and documented.", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "nrcs-web-soil-survey", "nws-houston-normals", "ada-level-changes", "osha-walking-surfaces" ], "scope": "General decision support only. The cited material does not diagnose subsurface conditions, select a contractor, or guarantee an outcome for one property.", "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property." }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab." }, { "id": "nrcs-web-soil-survey", "title": "Web Soil Survey", "publisher": "USDA Natural Resources Conservation Service", "url": "https://websoilsurvey.nrcs.usda.gov/", "limitations": "Mapped soil data cannot reveal exact fill, compaction, leaks, utilities, erosion, or support beneath one slab." }, { "id": "nws-houston-normals", "title": "Houston IAH climate normals and annual summaries", "publisher": "National Weather Service Houston/Galveston", "url": "https://www.weather.gov/hgx/climate_iah_normals_summary", "limitations": "IAH station normals are regional context, not Tomball parcel data or proof that weather caused one slab to move." }, { "id": "ada-level-changes", "title": "2010 ADA Standards for Accessible Design, Section 303", "publisher": "U.S. Department of Justice", "url": "https://www.ada.gov/law-and-regs/design-standards/2010-stds/", "limitations": "Applicability depends on facility, route, alteration, and law. This site does not provide legal or accessibility certification." }, { "id": "osha-walking-surfaces", "title": "29 CFR 1910.22: General requirements for walking-working surfaces", "publisher": "Occupational Safety and Health Administration", "url": "https://www.osha.gov/laws-regs/regulations/standardnumber/1910/1910.22", "limitations": "Workplace rule, not a universal residential standard or a substitute for project-specific safety and legal review." } ] }, { "claim": "Choose the method after identifying the cause: Grinding removes material from a high edge but does not raise a low panel or restore support. Lifting changes the elevation of a suitable slab but leaves existing surface wear and cracks. Replacement can rebuild the panel when the concrete or underlying layout is no longer suitable.", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "nrcs-web-soil-survey", "nws-houston-normals", "ada-level-changes", "osha-walking-surfaces" ], "scope": "This section summarizes general decision criteria within the cited sources' combined scope. It does not establish the condition, cause, compliance status, or repair fit of one property.", "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property." }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab." }, { "id": "nrcs-web-soil-survey", "title": "Web Soil Survey", "publisher": "USDA Natural Resources Conservation Service", "url": "https://websoilsurvey.nrcs.usda.gov/", "limitations": "Mapped soil data cannot reveal exact fill, compaction, leaks, utilities, erosion, or support beneath one slab." }, { "id": "nws-houston-normals", "title": "Houston IAH climate normals and annual summaries", "publisher": "National Weather Service Houston/Galveston", "url": "https://www.weather.gov/hgx/climate_iah_normals_summary", "limitations": "IAH station normals are regional context, not Tomball parcel data or proof that weather caused one slab to move." }, { "id": "ada-level-changes", "title": "2010 ADA Standards for Accessible Design, Section 303", "publisher": "U.S. Department of Justice", "url": "https://www.ada.gov/law-and-regs/design-standards/2010-stds/", "limitations": "Applicability depends on facility, route, alteration, and law. This site does not provide legal or accessibility certification." }, { "id": "osha-walking-surfaces", "title": "29 CFR 1910.22: General requirements for walking-working surfaces", "publisher": "Occupational Safety and Health Administration", "url": "https://www.osha.gov/laws-regs/regulations/standardnumber/1910/1910.22", "limitations": "Workplace rule, not a universal residential standard or a substitute for project-specific safety and legal review." } ] }, { "claim": "Avoid fixing one edge while creating another: Moving one panel changes its relationship to every adjoining surface. The target should consider doors, gates, ramps, drains, driveways, steps, curbs, and cross-slope. A narrow focus on one visible lip can simply move the problem to the next joint.", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "nrcs-web-soil-survey", "nws-houston-normals", "ada-level-changes", "osha-walking-surfaces" ], "scope": "This section summarizes general decision criteria within the cited sources' combined scope. It does not establish the condition, cause, compliance status, or repair fit of one property.", "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property." }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab." }, { "id": "nrcs-web-soil-survey", "title": "Web Soil Survey", "publisher": "USDA Natural Resources Conservation Service", "url": "https://websoilsurvey.nrcs.usda.gov/", "limitations": "Mapped soil data cannot reveal exact fill, compaction, leaks, utilities, erosion, or support beneath one slab." }, { "id": "nws-houston-normals", "title": "Houston IAH climate normals and annual summaries", "publisher": "National Weather Service Houston/Galveston", "url": "https://www.weather.gov/hgx/climate_iah_normals_summary", "limitations": "IAH station normals are regional context, not Tomball parcel data or proof that weather caused one slab to move." }, { "id": "ada-level-changes", "title": "2010 ADA Standards for Accessible Design, Section 303", "publisher": "U.S. Department of Justice", "url": "https://www.ada.gov/law-and-regs/design-standards/2010-stds/", "limitations": "Applicability depends on facility, route, alteration, and law. This site does not provide legal or accessibility certification." }, { "id": "osha-walking-surfaces", "title": "29 CFR 1910.22: General requirements for walking-working surfaces", "publisher": "Occupational Safety and Health Administration", "url": "https://www.osha.gov/laws-regs/regulations/standardnumber/1910/1910.22", "limitations": "Workplace rule, not a universal residential standard or a substitute for project-specific safety and legal review." } ] }, { "claim": "Build a repeatable inspection record: Property managers and associations benefit from a simple record containing location, photographs, measurements, repair method, provider, date, and follow-up status. That turns scattered complaints into a prioritized maintenance program.", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "nrcs-web-soil-survey", "nws-houston-normals", "ada-level-changes", "osha-walking-surfaces" ], "scope": "This section summarizes general decision criteria within the cited sources' combined scope. It does not establish the condition, cause, compliance status, or repair fit of one property.", "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property." }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab." }, { "id": "nrcs-web-soil-survey", "title": "Web Soil Survey", "publisher": "USDA Natural Resources Conservation Service", "url": "https://websoilsurvey.nrcs.usda.gov/", "limitations": "Mapped soil data cannot reveal exact fill, compaction, leaks, utilities, erosion, or support beneath one slab." }, { "id": "nws-houston-normals", "title": "Houston IAH climate normals and annual summaries", "publisher": "National Weather Service Houston/Galveston", "url": "https://www.weather.gov/hgx/climate_iah_normals_summary", "limitations": "IAH station normals are regional context, not Tomball parcel data or proof that weather caused one slab to move." }, { "id": "ada-level-changes", "title": "2010 ADA Standards for Accessible Design, Section 303", "publisher": "U.S. Department of Justice", "url": "https://www.ada.gov/law-and-regs/design-standards/2010-stds/", "limitations": "Applicability depends on facility, route, alteration, and law. This site does not provide legal or accessibility certification." }, { "id": "osha-walking-surfaces", "title": "29 CFR 1910.22: General requirements for walking-working surfaces", "publisher": "Occupational Safety and Health Administration", "url": "https://www.osha.gov/laws-regs/regulations/standardnumber/1910/1910.22", "limitations": "Workplace rule, not a universal residential standard or a substitute for project-specific safety and legal review." } ] } ], "conversion": { "stage": "ready-to-request", "primaryAction": "Request a slab assessment", "requestDetails": [ "Surface and exact location of the change", "What moved, how much, and whether it rocks or ponds water", "Known leaks, runoff, roots, utilities, or prior repairs" ], "reassurance": "No obligation. The request may be shared with one independent provider only after consent. Provider availability is not guaranteed." }, "editorialNotes": [ "The direct answer must remain concise enough to quote without removing the limitation that follows it.", "Natural-language variants guide coverage; they are not a license to repeat the same keyword in every paragraph." ], "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "kind": "technical-guide", "authority": "primary", "supports": "Slabjacking is used to level and align slabs-on-ground affected by settlement, erosion, flooding, or shrinkage of supporting soil or base.", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property.", "reviewedAt": "2026-07-24" }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "kind": "technical-guide", "authority": "primary", "supports": "Appropriate repair selection, hole layouts, settlement mode, grout-pressure monitoring, and verification are core parts of slabjacking practice.", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab.", "reviewedAt": "2026-07-24" }, { "id": "nrcs-web-soil-survey", "title": "Web Soil Survey", "publisher": "USDA Natural Resources Conservation Service", "url": "https://websoilsurvey.nrcs.usda.gov/", "kind": "government", "authority": "primary", "supports": "Official mapped soil information and interpretations can provide regional and property-area context.", "limitations": "Mapped soil data cannot reveal exact fill, compaction, leaks, utilities, erosion, or support beneath one slab.", "reviewedAt": "2026-07-24" }, { "id": "nws-houston-normals", "title": "Houston IAH climate normals and annual summaries", "publisher": "National Weather Service Houston/Galveston", "url": "https://www.weather.gov/hgx/climate_iah_normals_summary", "kind": "government", "authority": "primary", "supports": "Houston-area climate normals document substantial annual rainfall and seasonal temperature conditions relevant to regional drainage context.", "limitations": "IAH station normals are regional context, not Tomball parcel data or proof that weather caused one slab to move.", "reviewedAt": "2026-07-24" }, { "id": "ada-level-changes", "title": "2010 ADA Standards for Accessible Design, Section 303", "publisher": "U.S. Department of Justice", "url": "https://www.ada.gov/law-and-regs/design-standards/2010-stds/", "kind": "standard", "authority": "primary", "supports": "For covered facilities, Section 303 limits vertical and beveled changes in level and requires larger changes to comply with ramp or curb-ramp provisions.", "limitations": "Applicability depends on facility, route, alteration, and law. This site does not provide legal or accessibility certification.", "reviewedAt": "2026-07-24" }, { "id": "osha-walking-surfaces", "title": "29 CFR 1910.22: General requirements for walking-working surfaces", "publisher": "Occupational Safety and Health Administration", "url": "https://www.osha.gov/laws-regs/regulations/standardnumber/1910/1910.22", "kind": "standard", "authority": "primary", "supports": "General-industry employers must maintain walking-working surfaces, inspect them, correct hazards, and ensure they support intended loads.", "limitations": "Workplace rule, not a universal residential standard or a substitute for project-specific safety and legal review.", "reviewedAt": "2026-07-24" } ] }, { "key": "resource:water-pooling-on-concrete", "contentType": "resource", "reviewedAt": "2026-07-24", "reviewerRole": "Editorial research review", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "nrcs-web-soil-survey", "nws-houston-normals", "icc-ispsc-decks", "cdc-mahc", "cpsc-pool-safety", "ada-accessible-pools" ], "claims": [ { "claim": "Leveling may improve ponding when settlement changed the slab elevation and a safe target slope can be restored. It will not fix every drainage problem. Downspouts, drains, grading, leaks, joint design, and surrounding elevations may require separate work.", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "nrcs-web-soil-survey", "nws-houston-normals", "icc-ispsc-decks", "cdc-mahc", "cpsc-pool-safety", "ada-accessible-pools" ], "scope": "General decision support only. The cited material does not diagnose subsurface conditions, select a contractor, or guarantee an outcome for one property.", "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property." }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab." }, { "id": "nrcs-web-soil-survey", "title": "Web Soil Survey", "publisher": "USDA Natural Resources Conservation Service", "url": "https://websoilsurvey.nrcs.usda.gov/", "limitations": "Mapped soil data cannot reveal exact fill, compaction, leaks, utilities, erosion, or support beneath one slab." }, { "id": "nws-houston-normals", "title": "Houston IAH climate normals and annual summaries", "publisher": "National Weather Service Houston/Galveston", "url": "https://www.weather.gov/hgx/climate_iah_normals_summary", "limitations": "IAH station normals are regional context, not Tomball parcel data or proof that weather caused one slab to move." }, { "id": "icc-ispsc-decks", "title": "2024 International Swimming Pool and Spa Code, Chapter 3", "publisher": "International Code Council", "url": "https://codes.iccsafe.org/content/ISPSC2024P1/chapter-3-general-compliance", "limitations": "A model code. Confirm the adopted local code, amendments, project type, and jurisdiction before relying on a requirement." }, { "id": "cdc-mahc", "title": "About the Model Aquatic Health Code", "publisher": "Centers for Disease Control and Prevention", "url": "https://www.cdc.gov/model-aquatic-health-code/index.html", "limitations": "CDC guidance, not federal law. It becomes enforceable only when adopted by a jurisdiction." }, { "id": "cpsc-pool-safety", "title": "CPSC Advises Consumers on Swimming Pool Safety", "publisher": "U.S. Consumer Product Safety Commission", "url": "https://www.cpsc.gov/Newsroom/News-Releases/1976/CPSC-Advises-Consumers-On-Swimming-Pool-Safety", "limitations": "General consumer safety guidance, not a current local building-code determination or repair specification." }, { "id": "ada-accessible-pools", "title": "ADA Requirements: Accessible Pools, Means of Entry and Exit", "publisher": "U.S. Department of Justice", "url": "https://www.ada.gov/resources/accessible-pools-requirements/", "limitations": "Does not prescribe a concrete-lifting method or certify a finished pool deck." } ] }, { "claim": "Document where the water comes from and where it should go: Photograph the area during or shortly after rain and note roof runoff, irrigation, pool splash-out, neighboring grades, drains, and low edges. A dry-day photograph rarely explains why a slab ponds during a storm.", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "nrcs-web-soil-survey", "nws-houston-normals", "icc-ispsc-decks", "cdc-mahc", "cpsc-pool-safety", "ada-accessible-pools" ], "scope": "This section summarizes general decision criteria within the cited sources' combined scope. It does not establish the condition, cause, compliance status, or repair fit of one property.", "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property." }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab." }, { "id": "nrcs-web-soil-survey", "title": "Web Soil Survey", "publisher": "USDA Natural Resources Conservation Service", "url": "https://websoilsurvey.nrcs.usda.gov/", "limitations": "Mapped soil data cannot reveal exact fill, compaction, leaks, utilities, erosion, or support beneath one slab." }, { "id": "nws-houston-normals", "title": "Houston IAH climate normals and annual summaries", "publisher": "National Weather Service Houston/Galveston", "url": "https://www.weather.gov/hgx/climate_iah_normals_summary", "limitations": "IAH station normals are regional context, not Tomball parcel data or proof that weather caused one slab to move." }, { "id": "icc-ispsc-decks", "title": "2024 International Swimming Pool and Spa Code, Chapter 3", "publisher": "International Code Council", "url": "https://codes.iccsafe.org/content/ISPSC2024P1/chapter-3-general-compliance", "limitations": "A model code. Confirm the adopted local code, amendments, project type, and jurisdiction before relying on a requirement." }, { "id": "cdc-mahc", "title": "About the Model Aquatic Health Code", "publisher": "Centers for Disease Control and Prevention", "url": "https://www.cdc.gov/model-aquatic-health-code/index.html", "limitations": "CDC guidance, not federal law. It becomes enforceable only when adopted by a jurisdiction." }, { "id": "cpsc-pool-safety", "title": "CPSC Advises Consumers on Swimming Pool Safety", "publisher": "U.S. Consumer Product Safety Commission", "url": "https://www.cpsc.gov/Newsroom/News-Releases/1976/CPSC-Advises-Consumers-On-Swimming-Pool-Safety", "limitations": "General consumer safety guidance, not a current local building-code determination or repair specification." }, { "id": "ada-accessible-pools", "title": "ADA Requirements: Accessible Pools, Means of Entry and Exit", "publisher": "U.S. Department of Justice", "url": "https://www.ada.gov/resources/accessible-pools-requirements/", "limitations": "Does not prescribe a concrete-lifting method or certify a finished pool deck." } ] }, { "claim": "Separate elevation work from drainage work: Concrete lifting can change elevation. Drainage contractors may need to address gutters, downspouts, drains, swales, pipes, or grading. A plumbing or leak specialist may be needed when water loss is suspected below the slab.", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "nrcs-web-soil-survey", "nws-houston-normals", "icc-ispsc-decks", "cdc-mahc", "cpsc-pool-safety", "ada-accessible-pools" ], "scope": "This section summarizes general decision criteria within the cited sources' combined scope. It does not establish the condition, cause, compliance status, or repair fit of one property.", "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property." }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab." }, { "id": "nrcs-web-soil-survey", "title": "Web Soil Survey", "publisher": "USDA Natural Resources Conservation Service", "url": "https://websoilsurvey.nrcs.usda.gov/", "limitations": "Mapped soil data cannot reveal exact fill, compaction, leaks, utilities, erosion, or support beneath one slab." }, { "id": "nws-houston-normals", "title": "Houston IAH climate normals and annual summaries", "publisher": "National Weather Service Houston/Galveston", "url": "https://www.weather.gov/hgx/climate_iah_normals_summary", "limitations": "IAH station normals are regional context, not Tomball parcel data or proof that weather caused one slab to move." }, { "id": "icc-ispsc-decks", "title": "2024 International Swimming Pool and Spa Code, Chapter 3", "publisher": "International Code Council", "url": "https://codes.iccsafe.org/content/ISPSC2024P1/chapter-3-general-compliance", "limitations": "A model code. Confirm the adopted local code, amendments, project type, and jurisdiction before relying on a requirement." }, { "id": "cdc-mahc", "title": "About the Model Aquatic Health Code", "publisher": "Centers for Disease Control and Prevention", "url": "https://www.cdc.gov/model-aquatic-health-code/index.html", "limitations": "CDC guidance, not federal law. It becomes enforceable only when adopted by a jurisdiction." }, { "id": "cpsc-pool-safety", "title": "CPSC Advises Consumers on Swimming Pool Safety", "publisher": "U.S. Consumer Product Safety Commission", "url": "https://www.cpsc.gov/Newsroom/News-Releases/1976/CPSC-Advises-Consumers-On-Swimming-Pool-Safety", "limitations": "General consumer safety guidance, not a current local building-code determination or repair specification." }, { "id": "ada-accessible-pools", "title": "ADA Requirements: Accessible Pools, Means of Entry and Exit", "publisher": "U.S. Department of Justice", "url": "https://www.ada.gov/resources/accessible-pools-requirements/", "limitations": "Does not prescribe a concrete-lifting method or certify a finished pool deck." } ] }, { "claim": "Verify the result under real conditions: After work, use a controlled water test when appropriate and observe the area during the next meaningful rain. Save the target measurements, photographs, material information, and any drainage recommendations.", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "nrcs-web-soil-survey", "nws-houston-normals", "icc-ispsc-decks", "cdc-mahc", "cpsc-pool-safety", "ada-accessible-pools" ], "scope": "This section summarizes general decision criteria within the cited sources' combined scope. It does not establish the condition, cause, compliance status, or repair fit of one property.", "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property." }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab." }, { "id": "nrcs-web-soil-survey", "title": "Web Soil Survey", "publisher": "USDA Natural Resources Conservation Service", "url": "https://websoilsurvey.nrcs.usda.gov/", "limitations": "Mapped soil data cannot reveal exact fill, compaction, leaks, utilities, erosion, or support beneath one slab." }, { "id": "nws-houston-normals", "title": "Houston IAH climate normals and annual summaries", "publisher": "National Weather Service Houston/Galveston", "url": "https://www.weather.gov/hgx/climate_iah_normals_summary", "limitations": "IAH station normals are regional context, not Tomball parcel data or proof that weather caused one slab to move." }, { "id": "icc-ispsc-decks", "title": "2024 International Swimming Pool and Spa Code, Chapter 3", "publisher": "International Code Council", "url": "https://codes.iccsafe.org/content/ISPSC2024P1/chapter-3-general-compliance", "limitations": "A model code. Confirm the adopted local code, amendments, project type, and jurisdiction before relying on a requirement." }, { "id": "cdc-mahc", "title": "About the Model Aquatic Health Code", "publisher": "Centers for Disease Control and Prevention", "url": "https://www.cdc.gov/model-aquatic-health-code/index.html", "limitations": "CDC guidance, not federal law. It becomes enforceable only when adopted by a jurisdiction." }, { "id": "cpsc-pool-safety", "title": "CPSC Advises Consumers on Swimming Pool Safety", "publisher": "U.S. Consumer Product Safety Commission", "url": "https://www.cpsc.gov/Newsroom/News-Releases/1976/CPSC-Advises-Consumers-On-Swimming-Pool-Safety", "limitations": "General consumer safety guidance, not a current local building-code determination or repair specification." }, { "id": "ada-accessible-pools", "title": "ADA Requirements: Accessible Pools, Means of Entry and Exit", "publisher": "U.S. Department of Justice", "url": "https://www.ada.gov/resources/accessible-pools-requirements/", "limitations": "Does not prescribe a concrete-lifting method or certify a finished pool deck." } ] } ], "conversion": { "stage": "method-aware", "primaryAction": "Request a slab assessment", "requestDetails": [ "Surface and exact location of the change", "What moved, how much, and whether it rocks or ponds water", "Known leaks, runoff, roots, utilities, or prior repairs" ], "reassurance": "No obligation. The request may be shared with one independent provider only after consent. Provider availability is not guaranteed." }, "editorialNotes": [ "The direct answer must remain concise enough to quote without removing the limitation that follows it.", "Natural-language variants guide coverage; they are not a license to repeat the same keyword in every paragraph." ], "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "kind": "technical-guide", "authority": "primary", "supports": "Slabjacking is used to level and align slabs-on-ground affected by settlement, erosion, flooding, or shrinkage of supporting soil or base.", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property.", "reviewedAt": "2026-07-24" }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "kind": "technical-guide", "authority": "primary", "supports": "Appropriate repair selection, hole layouts, settlement mode, grout-pressure monitoring, and verification are core parts of slabjacking practice.", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab.", "reviewedAt": "2026-07-24" }, { "id": "nrcs-web-soil-survey", "title": "Web Soil Survey", "publisher": "USDA Natural Resources Conservation Service", "url": "https://websoilsurvey.nrcs.usda.gov/", "kind": "government", "authority": "primary", "supports": "Official mapped soil information and interpretations can provide regional and property-area context.", "limitations": "Mapped soil data cannot reveal exact fill, compaction, leaks, utilities, erosion, or support beneath one slab.", "reviewedAt": "2026-07-24" }, { "id": "nws-houston-normals", "title": "Houston IAH climate normals and annual summaries", "publisher": "National Weather Service Houston/Galveston", "url": "https://www.weather.gov/hgx/climate_iah_normals_summary", "kind": "government", "authority": "primary", "supports": "Houston-area climate normals document substantial annual rainfall and seasonal temperature conditions relevant to regional drainage context.", "limitations": "IAH station normals are regional context, not Tomball parcel data or proof that weather caused one slab to move.", "reviewedAt": "2026-07-24" }, { "id": "icc-ispsc-decks", "title": "2024 International Swimming Pool and Spa Code, Chapter 3", "publisher": "International Code Council", "url": "https://codes.iccsafe.org/content/ISPSC2024P1/chapter-3-general-compliance", "kind": "standard", "authority": "primary", "supports": "Model-code provisions address pool-deck slope, drainage, gaps, and transitions.", "limitations": "A model code. Confirm the adopted local code, amendments, project type, and jurisdiction before relying on a requirement.", "reviewedAt": "2026-07-24" }, { "id": "cdc-mahc", "title": "About the Model Aquatic Health Code", "publisher": "Centers for Disease Control and Prevention", "url": "https://www.cdc.gov/model-aquatic-health-code/index.html", "kind": "government", "authority": "primary", "supports": "The MAHC provides science-based guidance for public aquatic venues, including pools at hotels, apartment complexes, homeowners associations, schools, clubs, and waterparks.", "limitations": "CDC guidance, not federal law. It becomes enforceable only when adopted by a jurisdiction.", "reviewedAt": "2026-07-24" }, { "id": "cpsc-pool-safety", "title": "CPSC Advises Consumers on Swimming Pool Safety", "publisher": "U.S. Consumer Product Safety Commission", "url": "https://www.cpsc.gov/Newsroom/News-Releases/1976/CPSC-Advises-Consumers-On-Swimming-Pool-Safety", "kind": "government", "authority": "primary", "supports": "CPSC consumer guidance recommends non-slip materials around pools and attention to safe pool construction and maintenance.", "limitations": "General consumer safety guidance, not a current local building-code determination or repair specification.", "reviewedAt": "2026-07-24" }, { "id": "ada-accessible-pools", "title": "ADA Requirements: Accessible Pools, Means of Entry and Exit", "publisher": "U.S. Department of Justice", "url": "https://www.ada.gov/resources/accessible-pools-requirements/", "kind": "government", "authority": "primary", "supports": "Public entities and public accommodations can have accessibility obligations for swimming pools and related routes.", "limitations": "Does not prescribe a concrete-lifting method or certify a finished pool deck.", "reviewedAt": "2026-07-24" } ] }, { "key": "resource:hollow-sounding-concrete-slab", "contentType": "resource", "reviewedAt": "2026-07-24", "reviewerRole": "Editorial research review", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "nrcs-web-soil-survey", "nws-houston-normals", "dupont-gap-foam" ], "claims": [ { "claim": "A hollow sound can suggest a change in support, thickness, bonding, or subsurface conditions, but it does not prove the size or cause of a void. An inspection should combine sound, elevation, movement, cracks, edges, drainage, and project history before recommending repair.", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "nrcs-web-soil-survey", "nws-houston-normals", "dupont-gap-foam" ], "scope": "General decision support only. The cited material does not diagnose subsurface conditions, select a contractor, or guarantee an outcome for one property.", "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property." }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab." }, { "id": "nrcs-web-soil-survey", "title": "Web Soil Survey", "publisher": "USDA Natural Resources Conservation Service", "url": "https://websoilsurvey.nrcs.usda.gov/", "limitations": "Mapped soil data cannot reveal exact fill, compaction, leaks, utilities, erosion, or support beneath one slab." }, { "id": "nws-houston-normals", "title": "Houston IAH climate normals and annual summaries", "publisher": "National Weather Service Houston/Galveston", "url": "https://www.weather.gov/hgx/climate_iah_normals_summary", "limitations": "IAH station normals are regional context, not Tomball parcel data or proof that weather caused one slab to move." }, { "id": "dupont-gap-foam", "title": "GREAT STUFF Gaps and Cracks Insulating Foam Sealant", "publisher": "DuPont", "url": "https://www.greatstuff.dupont.com/products/gaps-cracks-insulating-foam-sealant-smart-dispenser.html", "limitations": "Product-specific manufacturer information. It does not support using canned sealant as a structural slab-lifting system." } ] }, { "claim": "Use multiple observations: Note where the sound changes and whether the same area rocks, flexes, settles, cracks, or ponds water. Compare the center, edges, joints, and adjacent panels. Photograph the marked area so a provider can repeat the observation.", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "nrcs-web-soil-survey", "nws-houston-normals", "dupont-gap-foam" ], "scope": "This section summarizes general decision criteria within the cited sources' combined scope. It does not establish the condition, cause, compliance status, or repair fit of one property.", "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property." }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab." }, { "id": "nrcs-web-soil-survey", "title": "Web Soil Survey", "publisher": "USDA Natural Resources Conservation Service", "url": "https://websoilsurvey.nrcs.usda.gov/", "limitations": "Mapped soil data cannot reveal exact fill, compaction, leaks, utilities, erosion, or support beneath one slab." }, { "id": "nws-houston-normals", "title": "Houston IAH climate normals and annual summaries", "publisher": "National Weather Service Houston/Galveston", "url": "https://www.weather.gov/hgx/climate_iah_normals_summary", "limitations": "IAH station normals are regional context, not Tomball parcel data or proof that weather caused one slab to move." }, { "id": "dupont-gap-foam", "title": "GREAT STUFF Gaps and Cracks Insulating Foam Sealant", "publisher": "DuPont", "url": "https://www.greatstuff.dupont.com/products/gaps-cracks-insulating-foam-sealant-smart-dispenser.html", "limitations": "Product-specific manufacturer information. It does not support using canned sealant as a structural slab-lifting system." } ] }, { "claim": "Do not assume the void volume from sound alone: A provider may use probing, drilling observations, elevation mapping, or other project-appropriate methods. The proposal should explain what is known, what is assumed, and how material quantity or change orders will be handled if conditions differ.", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "nrcs-web-soil-survey", "nws-houston-normals", "dupont-gap-foam" ], "scope": "This section summarizes general decision criteria within the cited sources' combined scope. It does not establish the condition, cause, compliance status, or repair fit of one property.", "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property." }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab." }, { "id": "nrcs-web-soil-survey", "title": "Web Soil Survey", "publisher": "USDA Natural Resources Conservation Service", "url": "https://websoilsurvey.nrcs.usda.gov/", "limitations": "Mapped soil data cannot reveal exact fill, compaction, leaks, utilities, erosion, or support beneath one slab." }, { "id": "nws-houston-normals", "title": "Houston IAH climate normals and annual summaries", "publisher": "National Weather Service Houston/Galveston", "url": "https://www.weather.gov/hgx/climate_iah_normals_summary", "limitations": "IAH station normals are regional context, not Tomball parcel data or proof that weather caused one slab to move." }, { "id": "dupont-gap-foam", "title": "GREAT STUFF Gaps and Cracks Insulating Foam Sealant", "publisher": "DuPont", "url": "https://www.greatstuff.dupont.com/products/gaps-cracks-insulating-foam-sealant-smart-dispenser.html", "limitations": "Product-specific manufacturer information. It does not support using canned sealant as a structural slab-lifting system." } ] }, { "claim": "Connect the finding to a repair objective: The repair objective may be to restore support, raise elevation, fill an accessible space, or replace a failed panel. Those are different jobs. The chosen method should follow the objective and constraints rather than the hollow sound alone.", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "nrcs-web-soil-survey", "nws-houston-normals", "dupont-gap-foam" ], "scope": "This section summarizes general decision criteria within the cited sources' combined scope. It does not establish the condition, cause, compliance status, or repair fit of one property.", "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property." }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab." }, { "id": "nrcs-web-soil-survey", "title": "Web Soil Survey", "publisher": "USDA Natural Resources Conservation Service", "url": "https://websoilsurvey.nrcs.usda.gov/", "limitations": "Mapped soil data cannot reveal exact fill, compaction, leaks, utilities, erosion, or support beneath one slab." }, { "id": "nws-houston-normals", "title": "Houston IAH climate normals and annual summaries", "publisher": "National Weather Service Houston/Galveston", "url": "https://www.weather.gov/hgx/climate_iah_normals_summary", "limitations": "IAH station normals are regional context, not Tomball parcel data or proof that weather caused one slab to move." }, { "id": "dupont-gap-foam", "title": "GREAT STUFF Gaps and Cracks Insulating Foam Sealant", "publisher": "DuPont", "url": "https://www.greatstuff.dupont.com/products/gaps-cracks-insulating-foam-sealant-smart-dispenser.html", "limitations": "Product-specific manufacturer information. It does not support using canned sealant as a structural slab-lifting system." } ] } ], "conversion": { "stage": "problem-aware", "primaryAction": "Request a slab assessment", "requestDetails": [ "Surface and exact location of the change", "What moved, how much, and whether it rocks or ponds water", "Known leaks, runoff, roots, utilities, or prior repairs" ], "reassurance": "No obligation. The request may be shared with one independent provider only after consent. Provider availability is not guaranteed." }, "editorialNotes": [ "The direct answer must remain concise enough to quote without removing the limitation that follows it.", "Natural-language variants guide coverage; they are not a license to repeat the same keyword in every paragraph." ], "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "kind": "technical-guide", "authority": "primary", "supports": "Slabjacking is used to level and align slabs-on-ground affected by settlement, erosion, flooding, or shrinkage of supporting soil or base.", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property.", "reviewedAt": "2026-07-24" }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "kind": "technical-guide", "authority": "primary", "supports": "Appropriate repair selection, hole layouts, settlement mode, grout-pressure monitoring, and verification are core parts of slabjacking practice.", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab.", "reviewedAt": "2026-07-24" }, { "id": "nrcs-web-soil-survey", "title": "Web Soil Survey", "publisher": "USDA Natural Resources Conservation Service", "url": "https://websoilsurvey.nrcs.usda.gov/", "kind": "government", "authority": "primary", "supports": "Official mapped soil information and interpretations can provide regional and property-area context.", "limitations": "Mapped soil data cannot reveal exact fill, compaction, leaks, utilities, erosion, or support beneath one slab.", "reviewedAt": "2026-07-24" }, { "id": "nws-houston-normals", "title": "Houston IAH climate normals and annual summaries", "publisher": "National Weather Service Houston/Galveston", "url": "https://www.weather.gov/hgx/climate_iah_normals_summary", "kind": "government", "authority": "primary", "supports": "Houston-area climate normals document substantial annual rainfall and seasonal temperature conditions relevant to regional drainage context.", "limitations": "IAH station normals are regional context, not Tomball parcel data or proof that weather caused one slab to move.", "reviewedAt": "2026-07-24" }, { "id": "dupont-gap-foam", "title": "GREAT STUFF Gaps and Cracks Insulating Foam Sealant", "publisher": "DuPont", "url": "https://www.greatstuff.dupont.com/products/gaps-cracks-insulating-foam-sealant-smart-dispenser.html", "kind": "manufacturer", "authority": "primary", "supports": "A common consumer canned foam is marketed to fill, seal, and insulate small household gaps and penetrations.", "limitations": "Product-specific manufacturer information. It does not support using canned sealant as a structural slab-lifting system.", "reviewedAt": "2026-07-24" } ] }, { "key": "resource:concrete-void-under-slab", "contentType": "resource", "reviewedAt": "2026-07-24", "reviewerRole": "Editorial research review", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "nrcs-web-soil-survey", "nws-houston-normals", "fhwa-grout-subsealing", "pavement-interactive-stabilization" ], "claims": [ { "claim": "A provider may place a suitable grout or expanding material beneath an accessible slab to restore support, raise elevation, or both. The plan should identify the objective, likely void area, injection pattern, nearby constraints, material, target, and uncertainty.", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "nrcs-web-soil-survey", "nws-houston-normals", "fhwa-grout-subsealing", "pavement-interactive-stabilization" ], "scope": "General decision support only. The cited material does not diagnose subsurface conditions, select a contractor, or guarantee an outcome for one property.", "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property." }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab." }, { "id": "nrcs-web-soil-survey", "title": "Web Soil Survey", "publisher": "USDA Natural Resources Conservation Service", "url": "https://websoilsurvey.nrcs.usda.gov/", "limitations": "Mapped soil data cannot reveal exact fill, compaction, leaks, utilities, erosion, or support beneath one slab." }, { "id": "nws-houston-normals", "title": "Houston IAH climate normals and annual summaries", "publisher": "National Weather Service Houston/Galveston", "url": "https://www.weather.gov/hgx/climate_iah_normals_summary", "limitations": "IAH station normals are regional context, not Tomball parcel data or proof that weather caused one slab to move." }, { "id": "fhwa-grout-subsealing", "title": "Fly Ash in Grouts for Pavement Subsealing", "publisher": "Federal Highway Administration", "url": "https://www.fhwa.dot.gov/pavement/recycling/fach09.cfm", "limitations": "Highway pavement guidance. Residential mixes, loading, details, and use instructions can differ." }, { "id": "pavement-interactive-stabilization", "title": "Slab Stabilization", "publisher": "Pavement Interactive", "url": "https://pavementinteractive.org/reference-desk/maintenance-and-rehabilitation/maintenance/slab-stabilization/", "limitations": "Educational pavement reference, not a residential engineering standard or job-specific specification." } ] }, { "claim": "Define the objective before selecting material: Ask whether the goal is support, elevation correction, erosion control, or a combination. The answer affects port layout, injection sequence, monitoring, material volume, and stop conditions.", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "nrcs-web-soil-survey", "nws-houston-normals", "fhwa-grout-subsealing", "pavement-interactive-stabilization" ], "scope": "This section summarizes general decision criteria within the cited sources' combined scope. It does not establish the condition, cause, compliance status, or repair fit of one property.", "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property." }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab." }, { "id": "nrcs-web-soil-survey", "title": "Web Soil Survey", "publisher": "USDA Natural Resources Conservation Service", "url": "https://websoilsurvey.nrcs.usda.gov/", "limitations": "Mapped soil data cannot reveal exact fill, compaction, leaks, utilities, erosion, or support beneath one slab." }, { "id": "nws-houston-normals", "title": "Houston IAH climate normals and annual summaries", "publisher": "National Weather Service Houston/Galveston", "url": "https://www.weather.gov/hgx/climate_iah_normals_summary", "limitations": "IAH station normals are regional context, not Tomball parcel data or proof that weather caused one slab to move." }, { "id": "fhwa-grout-subsealing", "title": "Fly Ash in Grouts for Pavement Subsealing", "publisher": "Federal Highway Administration", "url": "https://www.fhwa.dot.gov/pavement/recycling/fach09.cfm", "limitations": "Highway pavement guidance. Residential mixes, loading, details, and use instructions can differ." }, { "id": "pavement-interactive-stabilization", "title": "Slab Stabilization", "publisher": "Pavement Interactive", "url": "https://pavementinteractive.org/reference-desk/maintenance-and-rehabilitation/maintenance/slab-stabilization/", "limitations": "Educational pavement reference, not a residential engineering standard or job-specific specification." } ] }, { "claim": "Treat active erosion or leakage as a separate condition: Filling a void without addressing an active water source can leave the cause in place. Roof runoff, broken drains, plumbing leaks, irrigation, and surface-water concentration may require investigation by other trades.", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "nrcs-web-soil-survey", "nws-houston-normals", "fhwa-grout-subsealing", "pavement-interactive-stabilization" ], "scope": "This section summarizes general decision criteria within the cited sources' combined scope. It does not establish the condition, cause, compliance status, or repair fit of one property.", "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property." }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab." }, { "id": "nrcs-web-soil-survey", "title": "Web Soil Survey", "publisher": "USDA Natural Resources Conservation Service", "url": "https://websoilsurvey.nrcs.usda.gov/", "limitations": "Mapped soil data cannot reveal exact fill, compaction, leaks, utilities, erosion, or support beneath one slab." }, { "id": "nws-houston-normals", "title": "Houston IAH climate normals and annual summaries", "publisher": "National Weather Service Houston/Galveston", "url": "https://www.weather.gov/hgx/climate_iah_normals_summary", "limitations": "IAH station normals are regional context, not Tomball parcel data or proof that weather caused one slab to move." }, { "id": "fhwa-grout-subsealing", "title": "Fly Ash in Grouts for Pavement Subsealing", "publisher": "Federal Highway Administration", "url": "https://www.fhwa.dot.gov/pavement/recycling/fach09.cfm", "limitations": "Highway pavement guidance. Residential mixes, loading, details, and use instructions can differ." }, { "id": "pavement-interactive-stabilization", "title": "Slab Stabilization", "publisher": "Pavement Interactive", "url": "https://pavementinteractive.org/reference-desk/maintenance-and-rehabilitation/maintenance/slab-stabilization/", "limitations": "Educational pavement reference, not a residential engineering standard or job-specific specification." } ] }, { "claim": "Make uncertainty part of the written quote: Subsurface work always contains uncertainty. A useful proposal states assumptions, included material, change-order rules, target elevations, finish, cleanup, use restrictions, and warranty exclusions rather than hiding uncertainty behind a single lump-sum promise.", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "nrcs-web-soil-survey", "nws-houston-normals", "fhwa-grout-subsealing", "pavement-interactive-stabilization" ], "scope": "This section summarizes general decision criteria within the cited sources' combined scope. It does not establish the condition, cause, compliance status, or repair fit of one property.", "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property." }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab." }, { "id": "nrcs-web-soil-survey", "title": "Web Soil Survey", "publisher": "USDA Natural Resources Conservation Service", "url": "https://websoilsurvey.nrcs.usda.gov/", "limitations": "Mapped soil data cannot reveal exact fill, compaction, leaks, utilities, erosion, or support beneath one slab." }, { "id": "nws-houston-normals", "title": "Houston IAH climate normals and annual summaries", "publisher": "National Weather Service Houston/Galveston", "url": "https://www.weather.gov/hgx/climate_iah_normals_summary", "limitations": "IAH station normals are regional context, not Tomball parcel data or proof that weather caused one slab to move." }, { "id": "fhwa-grout-subsealing", "title": "Fly Ash in Grouts for Pavement Subsealing", "publisher": "Federal Highway Administration", "url": "https://www.fhwa.dot.gov/pavement/recycling/fach09.cfm", "limitations": "Highway pavement guidance. Residential mixes, loading, details, and use instructions can differ." }, { "id": "pavement-interactive-stabilization", "title": "Slab Stabilization", "publisher": "Pavement Interactive", "url": "https://pavementinteractive.org/reference-desk/maintenance-and-rehabilitation/maintenance/slab-stabilization/", "limitations": "Educational pavement reference, not a residential engineering standard or job-specific specification." } ] } ], "conversion": { "stage": "method-aware", "primaryAction": "Request a slab assessment", "requestDetails": [ "Surface and exact location of the change", "What moved, how much, and whether it rocks or ponds water", "Known leaks, runoff, roots, utilities, or prior repairs" ], "reassurance": "No obligation. The request may be shared with one independent provider only after consent. Provider availability is not guaranteed." }, "editorialNotes": [ "The direct answer must remain concise enough to quote without removing the limitation that follows it.", "Natural-language variants guide coverage; they are not a license to repeat the same keyword in every paragraph." ], "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "kind": "technical-guide", "authority": "primary", "supports": "Slabjacking is used to level and align slabs-on-ground affected by settlement, erosion, flooding, or shrinkage of supporting soil or base.", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property.", "reviewedAt": "2026-07-24" }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "kind": "technical-guide", "authority": "primary", "supports": "Appropriate repair selection, hole layouts, settlement mode, grout-pressure monitoring, and verification are core parts of slabjacking practice.", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab.", "reviewedAt": "2026-07-24" }, { "id": "nrcs-web-soil-survey", "title": "Web Soil Survey", "publisher": "USDA Natural Resources Conservation Service", "url": "https://websoilsurvey.nrcs.usda.gov/", "kind": "government", "authority": "primary", "supports": "Official mapped soil information and interpretations can provide regional and property-area context.", "limitations": "Mapped soil data cannot reveal exact fill, compaction, leaks, utilities, erosion, or support beneath one slab.", "reviewedAt": "2026-07-24" }, { "id": "nws-houston-normals", "title": "Houston IAH climate normals and annual summaries", "publisher": "National Weather Service Houston/Galveston", "url": "https://www.weather.gov/hgx/climate_iah_normals_summary", "kind": "government", "authority": "primary", "supports": "Houston-area climate normals document substantial annual rainfall and seasonal temperature conditions relevant to regional drainage context.", "limitations": "IAH station normals are regional context, not Tomball parcel data or proof that weather caused one slab to move.", "reviewedAt": "2026-07-24" }, { "id": "fhwa-grout-subsealing", "title": "Fly Ash in Grouts for Pavement Subsealing", "publisher": "Federal Highway Administration", "url": "https://www.fhwa.dot.gov/pavement/recycling/fach09.cfm", "kind": "government", "authority": "primary", "supports": "Grout must flow into voids, develop support, avoid excessive loss, and be placed with attention to pressure, cracking, temperature, and return-to-traffic conditions.", "limitations": "Highway pavement guidance. Residential mixes, loading, details, and use instructions can differ.", "reviewedAt": "2026-07-24" }, { "id": "pavement-interactive-stabilization", "title": "Slab Stabilization", "publisher": "Pavement Interactive", "url": "https://pavementinteractive.org/reference-desk/maintenance-and-rehabilitation/maintenance/slab-stabilization/", "kind": "technical-guide", "authority": "authoritative-secondary", "supports": "Filling voids to restore support is a different objective from raising a depressed slab, even though the operations may overlap.", "limitations": "Educational pavement reference, not a residential engineering standard or job-specific specification.", "reviewedAt": "2026-07-24" } ] }, { "key": "resource:can-cracked-concrete-be-lifted", "contentType": "resource", "reviewedAt": "2026-07-24", "reviewerRole": "Editorial research review", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "nrcs-web-soil-survey", "nws-houston-normals" ], "claims": [ { "claim": "Some cracked slabs can be lifted when the pieces still behave as stable sections and the repair objective is support or elevation. Fragmented, crumbling, badly displaced, or structurally inadequate concrete is more likely to need replacement. Existing cracks usually remain visible.", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "nrcs-web-soil-survey", "nws-houston-normals" ], "scope": "General decision support only. The cited material does not diagnose subsurface conditions, select a contractor, or guarantee an outcome for one property.", "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property." }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab." }, { "id": "nrcs-web-soil-survey", "title": "Web Soil Survey", "publisher": "USDA Natural Resources Conservation Service", "url": "https://websoilsurvey.nrcs.usda.gov/", "limitations": "Mapped soil data cannot reveal exact fill, compaction, leaks, utilities, erosion, or support beneath one slab." }, { "id": "nws-houston-normals", "title": "Houston IAH climate normals and annual summaries", "publisher": "National Weather Service Houston/Galveston", "url": "https://www.weather.gov/hgx/climate_iah_normals_summary", "limitations": "IAH station normals are regional context, not Tomball parcel data or proof that weather caused one slab to move." } ] }, { "claim": "Inspect how the slab behaves as a system: The provider should review crack width, direction, displacement, surface deterioration, joints, edges, likely reinforcement, loading, and adjoining structures. The goal is to predict how each section could move during injection.", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "nrcs-web-soil-survey", "nws-houston-normals" ], "scope": "This section summarizes general decision criteria within the cited sources' combined scope. It does not establish the condition, cause, compliance status, or repair fit of one property.", "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property." }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab." }, { "id": "nrcs-web-soil-survey", "title": "Web Soil Survey", "publisher": "USDA Natural Resources Conservation Service", "url": "https://websoilsurvey.nrcs.usda.gov/", "limitations": "Mapped soil data cannot reveal exact fill, compaction, leaks, utilities, erosion, or support beneath one slab." }, { "id": "nws-houston-normals", "title": "Houston IAH climate normals and annual summaries", "publisher": "National Weather Service Houston/Galveston", "url": "https://www.weather.gov/hgx/climate_iah_normals_summary", "limitations": "IAH station normals are regional context, not Tomball parcel data or proof that weather caused one slab to move." } ] }, { "claim": "Separate structural correction from cosmetic repair: Lifting may improve alignment and support while leaving discoloration, cracks, pop-outs, scaling, or old patches. Crack filling and overlays may improve appearance but do not erase movement history. Replacement is the more complete reset when uniform finish is a primary objective.", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "nrcs-web-soil-survey", "nws-houston-normals" ], "scope": "This section summarizes general decision criteria within the cited sources' combined scope. It does not establish the condition, cause, compliance status, or repair fit of one property.", "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property." }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab." }, { "id": "nrcs-web-soil-survey", "title": "Web Soil Survey", "publisher": "USDA Natural Resources Conservation Service", "url": "https://websoilsurvey.nrcs.usda.gov/", "limitations": "Mapped soil data cannot reveal exact fill, compaction, leaks, utilities, erosion, or support beneath one slab." }, { "id": "nws-houston-normals", "title": "Houston IAH climate normals and annual summaries", "publisher": "National Weather Service Houston/Galveston", "url": "https://www.weather.gov/hgx/climate_iah_normals_summary", "limitations": "IAH station normals are regional context, not Tomball parcel data or proof that weather caused one slab to move." } ] }, { "claim": "Ask for a defined stop condition: A cautious proposal explains what the provider will monitor and when lifting would stop. Fixed structures, widening cracks, unexpected resistance, or movement in an adjoining section can change the safe target.", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "nrcs-web-soil-survey", "nws-houston-normals" ], "scope": "This section summarizes general decision criteria within the cited sources' combined scope. It does not establish the condition, cause, compliance status, or repair fit of one property.", "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property." }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab." }, { "id": "nrcs-web-soil-survey", "title": "Web Soil Survey", "publisher": "USDA Natural Resources Conservation Service", "url": "https://websoilsurvey.nrcs.usda.gov/", "limitations": "Mapped soil data cannot reveal exact fill, compaction, leaks, utilities, erosion, or support beneath one slab." }, { "id": "nws-houston-normals", "title": "Houston IAH climate normals and annual summaries", "publisher": "National Weather Service Houston/Galveston", "url": "https://www.weather.gov/hgx/climate_iah_normals_summary", "limitations": "IAH station normals are regional context, not Tomball parcel data or proof that weather caused one slab to move." } ] } ], "conversion": { "stage": "method-aware", "primaryAction": "Request a slab assessment", "requestDetails": [ "Surface and exact location of the change", "What moved, how much, and whether it rocks or ponds water", "Known leaks, runoff, roots, utilities, or prior repairs" ], "reassurance": "No obligation. The request may be shared with one independent provider only after consent. Provider availability is not guaranteed." }, "editorialNotes": [ "The direct answer must remain concise enough to quote without removing the limitation that follows it.", "Natural-language variants guide coverage; they are not a license to repeat the same keyword in every paragraph." ], "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "kind": "technical-guide", "authority": "primary", "supports": "Slabjacking is used to level and align slabs-on-ground affected by settlement, erosion, flooding, or shrinkage of supporting soil or base.", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property.", "reviewedAt": "2026-07-24" }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "kind": "technical-guide", "authority": "primary", "supports": "Appropriate repair selection, hole layouts, settlement mode, grout-pressure monitoring, and verification are core parts of slabjacking practice.", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab.", "reviewedAt": "2026-07-24" }, { "id": "nrcs-web-soil-survey", "title": "Web Soil Survey", "publisher": "USDA Natural Resources Conservation Service", "url": "https://websoilsurvey.nrcs.usda.gov/", "kind": "government", "authority": "primary", "supports": "Official mapped soil information and interpretations can provide regional and property-area context.", "limitations": "Mapped soil data cannot reveal exact fill, compaction, leaks, utilities, erosion, or support beneath one slab.", "reviewedAt": "2026-07-24" }, { "id": "nws-houston-normals", "title": "Houston IAH climate normals and annual summaries", "publisher": "National Weather Service Houston/Galveston", "url": "https://www.weather.gov/hgx/climate_iah_normals_summary", "kind": "government", "authority": "primary", "supports": "Houston-area climate normals document substantial annual rainfall and seasonal temperature conditions relevant to regional drainage context.", "limitations": "IAH station normals are regional context, not Tomball parcel data or proof that weather caused one slab to move.", "reviewedAt": "2026-07-24" } ] }, { "key": "resource:driveway-water-pooling-garage-door", "contentType": "resource", "reviewedAt": "2026-07-24", "reviewerRole": "Editorial research review", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "nrcs-web-soil-survey", "nws-houston-normals", "icc-ispsc-decks", "cdc-mahc", "cpsc-pool-safety", "ada-accessible-pools" ], "claims": [ { "claim": "It may help when an exterior driveway or apron panel settled and changed the surface slope. The provider still needs to measure the garage floor, threshold, door clearance, connected panels, runoff direction, downspouts, drains, and any active water source.", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "nrcs-web-soil-survey", "nws-houston-normals", "icc-ispsc-decks", "cdc-mahc", "cpsc-pool-safety", "ada-accessible-pools" ], "scope": "General decision support only. The cited material does not diagnose subsurface conditions, select a contractor, or guarantee an outcome for one property.", "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property." }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab." }, { "id": "nrcs-web-soil-survey", "title": "Web Soil Survey", "publisher": "USDA Natural Resources Conservation Service", "url": "https://websoilsurvey.nrcs.usda.gov/", "limitations": "Mapped soil data cannot reveal exact fill, compaction, leaks, utilities, erosion, or support beneath one slab." }, { "id": "nws-houston-normals", "title": "Houston IAH climate normals and annual summaries", "publisher": "National Weather Service Houston/Galveston", "url": "https://www.weather.gov/hgx/climate_iah_normals_summary", "limitations": "IAH station normals are regional context, not Tomball parcel data or proof that weather caused one slab to move." }, { "id": "icc-ispsc-decks", "title": "2024 International Swimming Pool and Spa Code, Chapter 3", "publisher": "International Code Council", "url": "https://codes.iccsafe.org/content/ISPSC2024P1/chapter-3-general-compliance", "limitations": "A model code. Confirm the adopted local code, amendments, project type, and jurisdiction before relying on a requirement." }, { "id": "cdc-mahc", "title": "About the Model Aquatic Health Code", "publisher": "Centers for Disease Control and Prevention", "url": "https://www.cdc.gov/model-aquatic-health-code/index.html", "limitations": "CDC guidance, not federal law. It becomes enforceable only when adopted by a jurisdiction." }, { "id": "cpsc-pool-safety", "title": "CPSC Advises Consumers on Swimming Pool Safety", "publisher": "U.S. Consumer Product Safety Commission", "url": "https://www.cpsc.gov/Newsroom/News-Releases/1976/CPSC-Advises-Consumers-On-Swimming-Pool-Safety", "limitations": "General consumer safety guidance, not a current local building-code determination or repair specification." }, { "id": "ada-accessible-pools", "title": "ADA Requirements: Accessible Pools, Means of Entry and Exit", "publisher": "U.S. Department of Justice", "url": "https://www.ada.gov/resources/accessible-pools-requirements/", "limitations": "Does not prescribe a concrete-lifting method or certify a finished pool deck." } ] }, { "claim": "Confirm which surface actually moved: The garage floor, foundation, threshold, exterior apron, and remaining driveway panels may not have moved together. Measurements across the full opening establish the fixed and moving elevations.", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "nrcs-web-soil-survey", "nws-houston-normals", "icc-ispsc-decks", "cdc-mahc", "cpsc-pool-safety", "ada-accessible-pools" ], "scope": "This section summarizes general decision criteria within the cited sources' combined scope. It does not establish the condition, cause, compliance status, or repair fit of one property.", "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property." }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab." }, { "id": "nrcs-web-soil-survey", "title": "Web Soil Survey", "publisher": "USDA Natural Resources Conservation Service", "url": "https://websoilsurvey.nrcs.usda.gov/", "limitations": "Mapped soil data cannot reveal exact fill, compaction, leaks, utilities, erosion, or support beneath one slab." }, { "id": "nws-houston-normals", "title": "Houston IAH climate normals and annual summaries", "publisher": "National Weather Service Houston/Galveston", "url": "https://www.weather.gov/hgx/climate_iah_normals_summary", "limitations": "IAH station normals are regional context, not Tomball parcel data or proof that weather caused one slab to move." }, { "id": "icc-ispsc-decks", "title": "2024 International Swimming Pool and Spa Code, Chapter 3", "publisher": "International Code Council", "url": "https://codes.iccsafe.org/content/ISPSC2024P1/chapter-3-general-compliance", "limitations": "A model code. Confirm the adopted local code, amendments, project type, and jurisdiction before relying on a requirement." }, { "id": "cdc-mahc", "title": "About the Model Aquatic Health Code", "publisher": "Centers for Disease Control and Prevention", "url": "https://www.cdc.gov/model-aquatic-health-code/index.html", "limitations": "CDC guidance, not federal law. It becomes enforceable only when adopted by a jurisdiction." }, { "id": "cpsc-pool-safety", "title": "CPSC Advises Consumers on Swimming Pool Safety", "publisher": "U.S. Consumer Product Safety Commission", "url": "https://www.cpsc.gov/Newsroom/News-Releases/1976/CPSC-Advises-Consumers-On-Swimming-Pool-Safety", "limitations": "General consumer safety guidance, not a current local building-code determination or repair specification." }, { "id": "ada-accessible-pools", "title": "ADA Requirements: Accessible Pools, Means of Entry and Exit", "publisher": "U.S. Department of Justice", "url": "https://www.ada.gov/resources/accessible-pools-requirements/", "limitations": "Does not prescribe a concrete-lifting method or certify a finished pool deck." } ] }, { "claim": "Make water flow part of the written target: The finished target may require a deliberate transition rather than a perfectly flush line. Water still needs a practical route away from the garage without creating a new low point elsewhere.", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "nrcs-web-soil-survey", "nws-houston-normals", "icc-ispsc-decks", "cdc-mahc", "cpsc-pool-safety", "ada-accessible-pools" ], "scope": "This section summarizes general decision criteria within the cited sources' combined scope. It does not establish the condition, cause, compliance status, or repair fit of one property.", "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property." }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab." }, { "id": "nrcs-web-soil-survey", "title": "Web Soil Survey", "publisher": "USDA Natural Resources Conservation Service", "url": "https://websoilsurvey.nrcs.usda.gov/", "limitations": "Mapped soil data cannot reveal exact fill, compaction, leaks, utilities, erosion, or support beneath one slab." }, { "id": "nws-houston-normals", "title": "Houston IAH climate normals and annual summaries", "publisher": "National Weather Service Houston/Galveston", "url": "https://www.weather.gov/hgx/climate_iah_normals_summary", "limitations": "IAH station normals are regional context, not Tomball parcel data or proof that weather caused one slab to move." }, { "id": "icc-ispsc-decks", "title": "2024 International Swimming Pool and Spa Code, Chapter 3", "publisher": "International Code Council", "url": "https://codes.iccsafe.org/content/ISPSC2024P1/chapter-3-general-compliance", "limitations": "A model code. Confirm the adopted local code, amendments, project type, and jurisdiction before relying on a requirement." }, { "id": "cdc-mahc", "title": "About the Model Aquatic Health Code", "publisher": "Centers for Disease Control and Prevention", "url": "https://www.cdc.gov/model-aquatic-health-code/index.html", "limitations": "CDC guidance, not federal law. It becomes enforceable only when adopted by a jurisdiction." }, { "id": "cpsc-pool-safety", "title": "CPSC Advises Consumers on Swimming Pool Safety", "publisher": "U.S. Consumer Product Safety Commission", "url": "https://www.cpsc.gov/Newsroom/News-Releases/1976/CPSC-Advises-Consumers-On-Swimming-Pool-Safety", "limitations": "General consumer safety guidance, not a current local building-code determination or repair specification." }, { "id": "ada-accessible-pools", "title": "ADA Requirements: Accessible Pools, Means of Entry and Exit", "publisher": "U.S. Department of Justice", "url": "https://www.ada.gov/resources/accessible-pools-requirements/", "limitations": "Does not prescribe a concrete-lifting method or certify a finished pool deck." } ] }, { "claim": "Document the finished condition: Before-and-after elevation readings, drainage observations, photos, injection locations, material information, and return-to-use guidance create a useful closeout record.", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "nrcs-web-soil-survey", "nws-houston-normals", "icc-ispsc-decks", "cdc-mahc", "cpsc-pool-safety", "ada-accessible-pools" ], "scope": "This section summarizes general decision criteria within the cited sources' combined scope. It does not establish the condition, cause, compliance status, or repair fit of one property.", "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property." }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab." }, { "id": "nrcs-web-soil-survey", "title": "Web Soil Survey", "publisher": "USDA Natural Resources Conservation Service", "url": "https://websoilsurvey.nrcs.usda.gov/", "limitations": "Mapped soil data cannot reveal exact fill, compaction, leaks, utilities, erosion, or support beneath one slab." }, { "id": "nws-houston-normals", "title": "Houston IAH climate normals and annual summaries", "publisher": "National Weather Service Houston/Galveston", "url": "https://www.weather.gov/hgx/climate_iah_normals_summary", "limitations": "IAH station normals are regional context, not Tomball parcel data or proof that weather caused one slab to move." }, { "id": "icc-ispsc-decks", "title": "2024 International Swimming Pool and Spa Code, Chapter 3", "publisher": "International Code Council", "url": "https://codes.iccsafe.org/content/ISPSC2024P1/chapter-3-general-compliance", "limitations": "A model code. Confirm the adopted local code, amendments, project type, and jurisdiction before relying on a requirement." }, { "id": "cdc-mahc", "title": "About the Model Aquatic Health Code", "publisher": "Centers for Disease Control and Prevention", "url": "https://www.cdc.gov/model-aquatic-health-code/index.html", "limitations": "CDC guidance, not federal law. It becomes enforceable only when adopted by a jurisdiction." }, { "id": "cpsc-pool-safety", "title": "CPSC Advises Consumers on Swimming Pool Safety", "publisher": "U.S. Consumer Product Safety Commission", "url": "https://www.cpsc.gov/Newsroom/News-Releases/1976/CPSC-Advises-Consumers-On-Swimming-Pool-Safety", "limitations": "General consumer safety guidance, not a current local building-code determination or repair specification." }, { "id": "ada-accessible-pools", "title": "ADA Requirements: Accessible Pools, Means of Entry and Exit", "publisher": "U.S. Department of Justice", "url": "https://www.ada.gov/resources/accessible-pools-requirements/", "limitations": "Does not prescribe a concrete-lifting method or certify a finished pool deck." } ] } ], "conversion": { "stage": "ready-to-request", "primaryAction": "Request a slab assessment", "requestDetails": [ "Wide and close photos of the full connected surface", "Doors, foundations, coping, drains, steps, or other fixed points", "Access limits and where water travels during rain" ], "reassurance": "No obligation. The request may be shared with one independent provider only after consent. Provider availability is not guaranteed." }, "editorialNotes": [ "The direct answer must remain concise enough to quote without removing the limitation that follows it.", "Natural-language variants guide coverage; they are not a license to repeat the same keyword in every paragraph." ], "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "kind": "technical-guide", "authority": "primary", "supports": "Slabjacking is used to level and align slabs-on-ground affected by settlement, erosion, flooding, or shrinkage of supporting soil or base.", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property.", "reviewedAt": "2026-07-24" }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "kind": "technical-guide", "authority": "primary", "supports": "Appropriate repair selection, hole layouts, settlement mode, grout-pressure monitoring, and verification are core parts of slabjacking practice.", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab.", "reviewedAt": "2026-07-24" }, { "id": "nrcs-web-soil-survey", "title": "Web Soil Survey", "publisher": "USDA Natural Resources Conservation Service", "url": "https://websoilsurvey.nrcs.usda.gov/", "kind": "government", "authority": "primary", "supports": "Official mapped soil information and interpretations can provide regional and property-area context.", "limitations": "Mapped soil data cannot reveal exact fill, compaction, leaks, utilities, erosion, or support beneath one slab.", "reviewedAt": "2026-07-24" }, { "id": "nws-houston-normals", "title": "Houston IAH climate normals and annual summaries", "publisher": "National Weather Service Houston/Galveston", "url": "https://www.weather.gov/hgx/climate_iah_normals_summary", "kind": "government", "authority": "primary", "supports": "Houston-area climate normals document substantial annual rainfall and seasonal temperature conditions relevant to regional drainage context.", "limitations": "IAH station normals are regional context, not Tomball parcel data or proof that weather caused one slab to move.", "reviewedAt": "2026-07-24" }, { "id": "icc-ispsc-decks", "title": "2024 International Swimming Pool and Spa Code, Chapter 3", "publisher": "International Code Council", "url": "https://codes.iccsafe.org/content/ISPSC2024P1/chapter-3-general-compliance", "kind": "standard", "authority": "primary", "supports": "Model-code provisions address pool-deck slope, drainage, gaps, and transitions.", "limitations": "A model code. Confirm the adopted local code, amendments, project type, and jurisdiction before relying on a requirement.", "reviewedAt": "2026-07-24" }, { "id": "cdc-mahc", "title": "About the Model Aquatic Health Code", "publisher": "Centers for Disease Control and Prevention", "url": "https://www.cdc.gov/model-aquatic-health-code/index.html", "kind": "government", "authority": "primary", "supports": "The MAHC provides science-based guidance for public aquatic venues, including pools at hotels, apartment complexes, homeowners associations, schools, clubs, and waterparks.", "limitations": "CDC guidance, not federal law. It becomes enforceable only when adopted by a jurisdiction.", "reviewedAt": "2026-07-24" }, { "id": "cpsc-pool-safety", "title": "CPSC Advises Consumers on Swimming Pool Safety", "publisher": "U.S. Consumer Product Safety Commission", "url": "https://www.cpsc.gov/Newsroom/News-Releases/1976/CPSC-Advises-Consumers-On-Swimming-Pool-Safety", "kind": "government", "authority": "primary", "supports": "CPSC consumer guidance recommends non-slip materials around pools and attention to safe pool construction and maintenance.", "limitations": "General consumer safety guidance, not a current local building-code determination or repair specification.", "reviewedAt": "2026-07-24" }, { "id": "ada-accessible-pools", "title": "ADA Requirements: Accessible Pools, Means of Entry and Exit", "publisher": "U.S. Department of Justice", "url": "https://www.ada.gov/resources/accessible-pools-requirements/", "kind": "government", "authority": "primary", "supports": "Public entities and public accommodations can have accessibility obligations for swimming pools and related routes.", "limitations": "Does not prescribe a concrete-lifting method or certify a finished pool deck.", "reviewedAt": "2026-07-24" } ] }, { "key": "resource:sidewalk-tree-root-damage", "contentType": "resource", "reviewedAt": "2026-07-24", "reviewerRole": "Editorial research review", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "nrcs-web-soil-survey", "nws-houston-normals", "ada-level-changes", "osha-walking-surfaces", "usfs-root-conflicts" ], "claims": [ { "claim": "The method depends on whether the panel is high, low, broken, or still being displaced. Lifting can address a suitable low panel, grinding can reduce a limited high edge, and replacement may fit severe cracking, root conflict, or a needed redesign.", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "nrcs-web-soil-survey", "nws-houston-normals", "ada-level-changes", "osha-walking-surfaces", "usfs-root-conflicts" ], "scope": "General decision support only. The cited material does not diagnose subsurface conditions, select a contractor, or guarantee an outcome for one property.", "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property." }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab." }, { "id": "nrcs-web-soil-survey", "title": "Web Soil Survey", "publisher": "USDA Natural Resources Conservation Service", "url": "https://websoilsurvey.nrcs.usda.gov/", "limitations": "Mapped soil data cannot reveal exact fill, compaction, leaks, utilities, erosion, or support beneath one slab." }, { "id": "nws-houston-normals", "title": "Houston IAH climate normals and annual summaries", "publisher": "National Weather Service Houston/Galveston", "url": "https://www.weather.gov/hgx/climate_iah_normals_summary", "limitations": "IAH station normals are regional context, not Tomball parcel data or proof that weather caused one slab to move." }, { "id": "ada-level-changes", "title": "2010 ADA Standards for Accessible Design, Section 303", "publisher": "U.S. Department of Justice", "url": "https://www.ada.gov/law-and-regs/design-standards/2010-stds/", "limitations": "Applicability depends on facility, route, alteration, and law. This site does not provide legal or accessibility certification." }, { "id": "osha-walking-surfaces", "title": "29 CFR 1910.22: General requirements for walking-working surfaces", "publisher": "Occupational Safety and Health Administration", "url": "https://www.osha.gov/laws-regs/regulations/standardnumber/1910/1910.22", "limitations": "Workplace rule, not a universal residential standard or a substitute for project-specific safety and legal review." }, { "id": "usfs-root-conflicts", "title": "A review of tree root conflicts with sidewalks, curbs, and roads", "publisher": "U.S. Forest Service Research and Development", "url": "https://research.fs.usda.gov/treesearch/45968", "limitations": "Research review, not an instruction to cut roots or a diagnosis of one tree. Arborist review may be appropriate." } ] }, { "claim": "Identify whether the panel rose or its neighbor dropped: A trip edge does not reveal which panel moved. Measure the connected route, inspect the root zone, and note drainage, utilities, curb transitions, and prior grinding or patches.", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "nrcs-web-soil-survey", "nws-houston-normals", "ada-level-changes", "osha-walking-surfaces", "usfs-root-conflicts" ], "scope": "This section summarizes general decision criteria within the cited sources' combined scope. It does not establish the condition, cause, compliance status, or repair fit of one property.", "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property." }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab." }, { "id": "nrcs-web-soil-survey", "title": "Web Soil Survey", "publisher": "USDA Natural Resources Conservation Service", "url": "https://websoilsurvey.nrcs.usda.gov/", "limitations": "Mapped soil data cannot reveal exact fill, compaction, leaks, utilities, erosion, or support beneath one slab." }, { "id": "nws-houston-normals", "title": "Houston IAH climate normals and annual summaries", "publisher": "National Weather Service Houston/Galveston", "url": "https://www.weather.gov/hgx/climate_iah_normals_summary", "limitations": "IAH station normals are regional context, not Tomball parcel data or proof that weather caused one slab to move." }, { "id": "ada-level-changes", "title": "2010 ADA Standards for Accessible Design, Section 303", "publisher": "U.S. Department of Justice", "url": "https://www.ada.gov/law-and-regs/design-standards/2010-stds/", "limitations": "Applicability depends on facility, route, alteration, and law. This site does not provide legal or accessibility certification." }, { "id": "osha-walking-surfaces", "title": "29 CFR 1910.22: General requirements for walking-working surfaces", "publisher": "Occupational Safety and Health Administration", "url": "https://www.osha.gov/laws-regs/regulations/standardnumber/1910/1910.22", "limitations": "Workplace rule, not a universal residential standard or a substitute for project-specific safety and legal review." }, { "id": "usfs-root-conflicts", "title": "A review of tree root conflicts with sidewalks, curbs, and roads", "publisher": "U.S. Forest Service Research and Development", "url": "https://research.fs.usda.gov/treesearch/45968", "limitations": "Research review, not an instruction to cut roots or a diagnosis of one tree. Arborist review may be appropriate." } ] }, { "claim": "Match the repair to the movement: Grinding removes material from a high edge but does not raise a low slab or resolve ongoing root displacement. Lifting changes support and elevation but may not fit a panel actively pushed upward by roots.", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "nrcs-web-soil-survey", "nws-houston-normals", "ada-level-changes", "osha-walking-surfaces", "usfs-root-conflicts" ], "scope": "This section summarizes general decision criteria within the cited sources' combined scope. It does not establish the condition, cause, compliance status, or repair fit of one property.", "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property." }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab." }, { "id": "nrcs-web-soil-survey", "title": "Web Soil Survey", "publisher": "USDA Natural Resources Conservation Service", "url": "https://websoilsurvey.nrcs.usda.gov/", "limitations": "Mapped soil data cannot reveal exact fill, compaction, leaks, utilities, erosion, or support beneath one slab." }, { "id": "nws-houston-normals", "title": "Houston IAH climate normals and annual summaries", "publisher": "National Weather Service Houston/Galveston", "url": "https://www.weather.gov/hgx/climate_iah_normals_summary", "limitations": "IAH station normals are regional context, not Tomball parcel data or proof that weather caused one slab to move." }, { "id": "ada-level-changes", "title": "2010 ADA Standards for Accessible Design, Section 303", "publisher": "U.S. Department of Justice", "url": "https://www.ada.gov/law-and-regs/design-standards/2010-stds/", "limitations": "Applicability depends on facility, route, alteration, and law. This site does not provide legal or accessibility certification." }, { "id": "osha-walking-surfaces", "title": "29 CFR 1910.22: General requirements for walking-working surfaces", "publisher": "Occupational Safety and Health Administration", "url": "https://www.osha.gov/laws-regs/regulations/standardnumber/1910/1910.22", "limitations": "Workplace rule, not a universal residential standard or a substitute for project-specific safety and legal review." }, { "id": "usfs-root-conflicts", "title": "A review of tree root conflicts with sidewalks, curbs, and roads", "publisher": "U.S. Forest Service Research and Development", "url": "https://research.fs.usda.gov/treesearch/45968", "limitations": "Research review, not an instruction to cut roots or a diagnosis of one tree. Arborist review may be appropriate." } ] }, { "claim": "Review the entire walking route: Correcting one joint can expose another transition. For commercial, multifamily, association, or public-facing routes, document the connected path rather than treating one painted edge as the entire problem.", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "nrcs-web-soil-survey", "nws-houston-normals", "ada-level-changes", "osha-walking-surfaces", "usfs-root-conflicts" ], "scope": "This section summarizes general decision criteria within the cited sources' combined scope. It does not establish the condition, cause, compliance status, or repair fit of one property.", "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property." }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab." }, { "id": "nrcs-web-soil-survey", "title": "Web Soil Survey", "publisher": "USDA Natural Resources Conservation Service", "url": "https://websoilsurvey.nrcs.usda.gov/", "limitations": "Mapped soil data cannot reveal exact fill, compaction, leaks, utilities, erosion, or support beneath one slab." }, { "id": "nws-houston-normals", "title": "Houston IAH climate normals and annual summaries", "publisher": "National Weather Service Houston/Galveston", "url": "https://www.weather.gov/hgx/climate_iah_normals_summary", "limitations": "IAH station normals are regional context, not Tomball parcel data or proof that weather caused one slab to move." }, { "id": "ada-level-changes", "title": "2010 ADA Standards for Accessible Design, Section 303", "publisher": "U.S. Department of Justice", "url": "https://www.ada.gov/law-and-regs/design-standards/2010-stds/", "limitations": "Applicability depends on facility, route, alteration, and law. This site does not provide legal or accessibility certification." }, { "id": "osha-walking-surfaces", "title": "29 CFR 1910.22: General requirements for walking-working surfaces", "publisher": "Occupational Safety and Health Administration", "url": "https://www.osha.gov/laws-regs/regulations/standardnumber/1910/1910.22", "limitations": "Workplace rule, not a universal residential standard or a substitute for project-specific safety and legal review." }, { "id": "usfs-root-conflicts", "title": "A review of tree root conflicts with sidewalks, curbs, and roads", "publisher": "U.S. Forest Service Research and Development", "url": "https://research.fs.usda.gov/treesearch/45968", "limitations": "Research review, not an instruction to cut roots or a diagnosis of one tree. Arborist review may be appropriate." } ] } ], "conversion": { "stage": "method-aware", "primaryAction": "Request a slab assessment", "requestDetails": [ "Wide and close photos of the full connected surface", "Doors, foundations, coping, drains, steps, or other fixed points", "Access limits and where water travels during rain" ], "reassurance": "No obligation. The request may be shared with one independent provider only after consent. Provider availability is not guaranteed." }, "editorialNotes": [ "The direct answer must remain concise enough to quote without removing the limitation that follows it.", "Natural-language variants guide coverage; they are not a license to repeat the same keyword in every paragraph." ], "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "kind": "technical-guide", "authority": "primary", "supports": "Slabjacking is used to level and align slabs-on-ground affected by settlement, erosion, flooding, or shrinkage of supporting soil or base.", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property.", "reviewedAt": "2026-07-24" }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "kind": "technical-guide", "authority": "primary", "supports": "Appropriate repair selection, hole layouts, settlement mode, grout-pressure monitoring, and verification are core parts of slabjacking practice.", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab.", "reviewedAt": "2026-07-24" }, { "id": "nrcs-web-soil-survey", "title": "Web Soil Survey", "publisher": "USDA Natural Resources Conservation Service", "url": "https://websoilsurvey.nrcs.usda.gov/", "kind": "government", "authority": "primary", "supports": "Official mapped soil information and interpretations can provide regional and property-area context.", "limitations": "Mapped soil data cannot reveal exact fill, compaction, leaks, utilities, erosion, or support beneath one slab.", "reviewedAt": "2026-07-24" }, { "id": "nws-houston-normals", "title": "Houston IAH climate normals and annual summaries", "publisher": "National Weather Service Houston/Galveston", "url": "https://www.weather.gov/hgx/climate_iah_normals_summary", "kind": "government", "authority": "primary", "supports": "Houston-area climate normals document substantial annual rainfall and seasonal temperature conditions relevant to regional drainage context.", "limitations": "IAH station normals are regional context, not Tomball parcel data or proof that weather caused one slab to move.", "reviewedAt": "2026-07-24" }, { "id": "ada-level-changes", "title": "2010 ADA Standards for Accessible Design, Section 303", "publisher": "U.S. Department of Justice", "url": "https://www.ada.gov/law-and-regs/design-standards/2010-stds/", "kind": "standard", "authority": "primary", "supports": "For covered facilities, Section 303 limits vertical and beveled changes in level and requires larger changes to comply with ramp or curb-ramp provisions.", "limitations": "Applicability depends on facility, route, alteration, and law. This site does not provide legal or accessibility certification.", "reviewedAt": "2026-07-24" }, { "id": "osha-walking-surfaces", "title": "29 CFR 1910.22: General requirements for walking-working surfaces", "publisher": "Occupational Safety and Health Administration", "url": "https://www.osha.gov/laws-regs/regulations/standardnumber/1910/1910.22", "kind": "standard", "authority": "primary", "supports": "General-industry employers must maintain walking-working surfaces, inspect them, correct hazards, and ensure they support intended loads.", "limitations": "Workplace rule, not a universal residential standard or a substitute for project-specific safety and legal review.", "reviewedAt": "2026-07-24" }, { "id": "usfs-root-conflicts", "title": "A review of tree root conflicts with sidewalks, curbs, and roads", "publisher": "U.S. Forest Service Research and Development", "url": "https://research.fs.usda.gov/treesearch/45968", "kind": "research", "authority": "primary", "supports": "Tree-root and hardscape conflicts involve soil, planting space, tree size, root architecture, management, construction materials, repair, and mitigation choices.", "limitations": "Research review, not an instruction to cut roots or a diagnosis of one tree. Arborist review may be appropriate.", "reviewedAt": "2026-07-24" } ] }, { "key": "resource:patio-slopes-toward-house", "contentType": "resource", "reviewedAt": "2026-07-24", "reviewerRole": "Editorial research review", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "nrcs-web-soil-survey", "nws-houston-normals" ], "claims": [ { "claim": "Potentially, when the patio remains suitable for lifting and doors, siding, foundations, posts, drains, utilities, and adjoining slabs leave room for a safe target slope. Active runoff or drainage problems may require separate work.", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "nrcs-web-soil-survey", "nws-houston-normals" ], "scope": "General decision support only. The cited material does not diagnose subsurface conditions, select a contractor, or guarantee an outcome for one property.", "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property." }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab." }, { "id": "nrcs-web-soil-survey", "title": "Web Soil Survey", "publisher": "USDA Natural Resources Conservation Service", "url": "https://websoilsurvey.nrcs.usda.gov/", "limitations": "Mapped soil data cannot reveal exact fill, compaction, leaks, utilities, erosion, or support beneath one slab." }, { "id": "nws-houston-normals", "title": "Houston IAH climate normals and annual summaries", "publisher": "National Weather Service Houston/Galveston", "url": "https://www.weather.gov/hgx/climate_iah_normals_summary", "limitations": "IAH station normals are regional context, not Tomball parcel data or proof that weather caused one slab to move." } ] }, { "claim": "Measure every fixed clearance: Exterior doors, siding, weep details, foundation edges, patio-cover posts, drains, and adjoining walks can limit how far a panel should move.", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "nrcs-web-soil-survey", "nws-houston-normals" ], "scope": "This section summarizes general decision criteria within the cited sources' combined scope. It does not establish the condition, cause, compliance status, or repair fit of one property.", "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property." }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab." }, { "id": "nrcs-web-soil-survey", "title": "Web Soil Survey", "publisher": "USDA Natural Resources Conservation Service", "url": "https://websoilsurvey.nrcs.usda.gov/", "limitations": "Mapped soil data cannot reveal exact fill, compaction, leaks, utilities, erosion, or support beneath one slab." }, { "id": "nws-houston-normals", "title": "Houston IAH climate normals and annual summaries", "publisher": "National Weather Service Houston/Galveston", "url": "https://www.weather.gov/hgx/climate_iah_normals_summary", "limitations": "IAH station normals are regional context, not Tomball parcel data or proof that weather caused one slab to move." } ] }, { "claim": "Separate slab slope from the water source: A low patio can contribute to ponding, but roof runoff, downspouts, irrigation, neighboring grades, drains, and landscape beds can overwhelm an otherwise improved slope.", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "nrcs-web-soil-survey", "nws-houston-normals" ], "scope": "This section summarizes general decision criteria within the cited sources' combined scope. It does not establish the condition, cause, compliance status, or repair fit of one property.", "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property." }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab." }, { "id": "nrcs-web-soil-survey", "title": "Web Soil Survey", "publisher": "USDA Natural Resources Conservation Service", "url": "https://websoilsurvey.nrcs.usda.gov/", "limitations": "Mapped soil data cannot reveal exact fill, compaction, leaks, utilities, erosion, or support beneath one slab." }, { "id": "nws-houston-normals", "title": "Houston IAH climate normals and annual summaries", "publisher": "National Weather Service Houston/Galveston", "url": "https://www.weather.gov/hgx/climate_iah_normals_summary", "limitations": "IAH station normals are regional context, not Tomball parcel data or proof that weather caused one slab to move." } ] }, { "claim": "Define the appearance after lifting: Existing cracks remain visible, injection ports are patched, and coatings or overlays may need separate touch-up. Ask what the finished surface and joints are expected to look like.", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "nrcs-web-soil-survey", "nws-houston-normals" ], "scope": "This section summarizes general decision criteria within the cited sources' combined scope. It does not establish the condition, cause, compliance status, or repair fit of one property.", "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property." }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab." }, { "id": "nrcs-web-soil-survey", "title": "Web Soil Survey", "publisher": "USDA Natural Resources Conservation Service", "url": "https://websoilsurvey.nrcs.usda.gov/", "limitations": "Mapped soil data cannot reveal exact fill, compaction, leaks, utilities, erosion, or support beneath one slab." }, { "id": "nws-houston-normals", "title": "Houston IAH climate normals and annual summaries", "publisher": "National Weather Service Houston/Galveston", "url": "https://www.weather.gov/hgx/climate_iah_normals_summary", "limitations": "IAH station normals are regional context, not Tomball parcel data or proof that weather caused one slab to move." } ] } ], "conversion": { "stage": "ready-to-request", "primaryAction": "Request a slab assessment", "requestDetails": [ "Wide and close photos of the full connected surface", "Doors, foundations, coping, drains, steps, or other fixed points", "Access limits and where water travels during rain" ], "reassurance": "No obligation. The request may be shared with one independent provider only after consent. Provider availability is not guaranteed." }, "editorialNotes": [ "The direct answer must remain concise enough to quote without removing the limitation that follows it.", "Natural-language variants guide coverage; they are not a license to repeat the same keyword in every paragraph." ], "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "kind": "technical-guide", "authority": "primary", "supports": "Slabjacking is used to level and align slabs-on-ground affected by settlement, erosion, flooding, or shrinkage of supporting soil or base.", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property.", "reviewedAt": "2026-07-24" }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "kind": "technical-guide", "authority": "primary", "supports": "Appropriate repair selection, hole layouts, settlement mode, grout-pressure monitoring, and verification are core parts of slabjacking practice.", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab.", "reviewedAt": "2026-07-24" }, { "id": "nrcs-web-soil-survey", "title": "Web Soil Survey", "publisher": "USDA Natural Resources Conservation Service", "url": "https://websoilsurvey.nrcs.usda.gov/", "kind": "government", "authority": "primary", "supports": "Official mapped soil information and interpretations can provide regional and property-area context.", "limitations": "Mapped soil data cannot reveal exact fill, compaction, leaks, utilities, erosion, or support beneath one slab.", "reviewedAt": "2026-07-24" }, { "id": "nws-houston-normals", "title": "Houston IAH climate normals and annual summaries", "publisher": "National Weather Service Houston/Galveston", "url": "https://www.weather.gov/hgx/climate_iah_normals_summary", "kind": "government", "authority": "primary", "supports": "Houston-area climate normals document substantial annual rainfall and seasonal temperature conditions relevant to regional drainage context.", "limitations": "IAH station normals are regional context, not Tomball parcel data or proof that weather caused one slab to move.", "reviewedAt": "2026-07-24" } ] }, { "key": "resource:pool-deck-gap-coping", "contentType": "resource", "reviewedAt": "2026-07-24", "reviewerRole": "Editorial research review", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "nrcs-web-soil-survey", "nws-houston-normals", "icc-ispsc-decks", "cdc-mahc", "cpsc-pool-safety", "ada-accessible-pools" ], "claims": [ { "claim": "Some intact panels may be lifted, but the pool shell, coping, separation joint, skimmers, drains, plumbing, handrails, and applied finishes must be identified first. Movement targets should be conservative around fixed pool components.", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "nrcs-web-soil-survey", "nws-houston-normals", "icc-ispsc-decks", "cdc-mahc", "cpsc-pool-safety", "ada-accessible-pools" ], "scope": "General decision support only. The cited material does not diagnose subsurface conditions, select a contractor, or guarantee an outcome for one property.", "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property." }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab." }, { "id": "nrcs-web-soil-survey", "title": "Web Soil Survey", "publisher": "USDA Natural Resources Conservation Service", "url": "https://websoilsurvey.nrcs.usda.gov/", "limitations": "Mapped soil data cannot reveal exact fill, compaction, leaks, utilities, erosion, or support beneath one slab." }, { "id": "nws-houston-normals", "title": "Houston IAH climate normals and annual summaries", "publisher": "National Weather Service Houston/Galveston", "url": "https://www.weather.gov/hgx/climate_iah_normals_summary", "limitations": "IAH station normals are regional context, not Tomball parcel data or proof that weather caused one slab to move." }, { "id": "icc-ispsc-decks", "title": "2024 International Swimming Pool and Spa Code, Chapter 3", "publisher": "International Code Council", "url": "https://codes.iccsafe.org/content/ISPSC2024P1/chapter-3-general-compliance", "limitations": "A model code. Confirm the adopted local code, amendments, project type, and jurisdiction before relying on a requirement." }, { "id": "cdc-mahc", "title": "About the Model Aquatic Health Code", "publisher": "Centers for Disease Control and Prevention", "url": "https://www.cdc.gov/model-aquatic-health-code/index.html", "limitations": "CDC guidance, not federal law. It becomes enforceable only when adopted by a jurisdiction." }, { "id": "cpsc-pool-safety", "title": "CPSC Advises Consumers on Swimming Pool Safety", "publisher": "U.S. Consumer Product Safety Commission", "url": "https://www.cpsc.gov/Newsroom/News-Releases/1976/CPSC-Advises-Consumers-On-Swimming-Pool-Safety", "limitations": "General consumer safety guidance, not a current local building-code determination or repair specification." }, { "id": "ada-accessible-pools", "title": "ADA Requirements: Accessible Pools, Means of Entry and Exit", "publisher": "U.S. Department of Justice", "url": "https://www.ada.gov/resources/accessible-pools-requirements/", "limitations": "Does not prescribe a concrete-lifting method or certify a finished pool deck." } ] }, { "claim": "Map the pool components before drilling: The repair plan should identify coping, expansion or isolation joints, skimmers, returns, drains, lights, bonding, handrails, known lines, equipment routes, coatings, overlays, and existing cracks.", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "nrcs-web-soil-survey", "nws-houston-normals", "icc-ispsc-decks", "cdc-mahc", "cpsc-pool-safety", "ada-accessible-pools" ], "scope": "This section summarizes general decision criteria within the cited sources' combined scope. It does not establish the condition, cause, compliance status, or repair fit of one property.", "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property." }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab." }, { "id": "nrcs-web-soil-survey", "title": "Web Soil Survey", "publisher": "USDA Natural Resources Conservation Service", "url": "https://websoilsurvey.nrcs.usda.gov/", "limitations": "Mapped soil data cannot reveal exact fill, compaction, leaks, utilities, erosion, or support beneath one slab." }, { "id": "nws-houston-normals", "title": "Houston IAH climate normals and annual summaries", "publisher": "National Weather Service Houston/Galveston", "url": "https://www.weather.gov/hgx/climate_iah_normals_summary", "limitations": "IAH station normals are regional context, not Tomball parcel data or proof that weather caused one slab to move." }, { "id": "icc-ispsc-decks", "title": "2024 International Swimming Pool and Spa Code, Chapter 3", "publisher": "International Code Council", "url": "https://codes.iccsafe.org/content/ISPSC2024P1/chapter-3-general-compliance", "limitations": "A model code. Confirm the adopted local code, amendments, project type, and jurisdiction before relying on a requirement." }, { "id": "cdc-mahc", "title": "About the Model Aquatic Health Code", "publisher": "Centers for Disease Control and Prevention", "url": "https://www.cdc.gov/model-aquatic-health-code/index.html", "limitations": "CDC guidance, not federal law. It becomes enforceable only when adopted by a jurisdiction." }, { "id": "cpsc-pool-safety", "title": "CPSC Advises Consumers on Swimming Pool Safety", "publisher": "U.S. Consumer Product Safety Commission", "url": "https://www.cpsc.gov/Newsroom/News-Releases/1976/CPSC-Advises-Consumers-On-Swimming-Pool-Safety", "limitations": "General consumer safety guidance, not a current local building-code determination or repair specification." }, { "id": "ada-accessible-pools", "title": "ADA Requirements: Accessible Pools, Means of Entry and Exit", "publisher": "U.S. Department of Justice", "url": "https://www.ada.gov/resources/accessible-pools-requirements/", "limitations": "Does not prescribe a concrete-lifting method or certify a finished pool deck." } ] }, { "claim": "Rule out active water loss or washout: Suspected pool plumbing leaks, drain failures, or ongoing washout deserve separate evaluation before lifting. Filling space beneath a slab does not repair the water source.", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "nrcs-web-soil-survey", "nws-houston-normals", "icc-ispsc-decks", "cdc-mahc", "cpsc-pool-safety", "ada-accessible-pools" ], "scope": "This section summarizes general decision criteria within the cited sources' combined scope. It does not establish the condition, cause, compliance status, or repair fit of one property.", "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property." }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab." }, { "id": "nrcs-web-soil-survey", "title": "Web Soil Survey", "publisher": "USDA Natural Resources Conservation Service", "url": "https://websoilsurvey.nrcs.usda.gov/", "limitations": "Mapped soil data cannot reveal exact fill, compaction, leaks, utilities, erosion, or support beneath one slab." }, { "id": "nws-houston-normals", "title": "Houston IAH climate normals and annual summaries", "publisher": "National Weather Service Houston/Galveston", "url": "https://www.weather.gov/hgx/climate_iah_normals_summary", "limitations": "IAH station normals are regional context, not Tomball parcel data or proof that weather caused one slab to move." }, { "id": "icc-ispsc-decks", "title": "2024 International Swimming Pool and Spa Code, Chapter 3", "publisher": "International Code Council", "url": "https://codes.iccsafe.org/content/ISPSC2024P1/chapter-3-general-compliance", "limitations": "A model code. Confirm the adopted local code, amendments, project type, and jurisdiction before relying on a requirement." }, { "id": "cdc-mahc", "title": "About the Model Aquatic Health Code", "publisher": "Centers for Disease Control and Prevention", "url": "https://www.cdc.gov/model-aquatic-health-code/index.html", "limitations": "CDC guidance, not federal law. It becomes enforceable only when adopted by a jurisdiction." }, { "id": "cpsc-pool-safety", "title": "CPSC Advises Consumers on Swimming Pool Safety", "publisher": "U.S. Consumer Product Safety Commission", "url": "https://www.cpsc.gov/Newsroom/News-Releases/1976/CPSC-Advises-Consumers-On-Swimming-Pool-Safety", "limitations": "General consumer safety guidance, not a current local building-code determination or repair specification." }, { "id": "ada-accessible-pools", "title": "ADA Requirements: Accessible Pools, Means of Entry and Exit", "publisher": "U.S. Department of Justice", "url": "https://www.ada.gov/resources/accessible-pools-requirements/", "limitations": "Does not prescribe a concrete-lifting method or certify a finished pool deck." } ] }, { "claim": "Use a conservative movement and finish plan: Pool components create fixed constraints. The proposal should identify target elevations, stop conditions, monitoring points, possible crack or coating damage, and when pool use can resume.", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "nrcs-web-soil-survey", "nws-houston-normals", "icc-ispsc-decks", "cdc-mahc", "cpsc-pool-safety", "ada-accessible-pools" ], "scope": "This section summarizes general decision criteria within the cited sources' combined scope. It does not establish the condition, cause, compliance status, or repair fit of one property.", "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property." }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab." }, { "id": "nrcs-web-soil-survey", "title": "Web Soil Survey", "publisher": "USDA Natural Resources Conservation Service", "url": "https://websoilsurvey.nrcs.usda.gov/", "limitations": "Mapped soil data cannot reveal exact fill, compaction, leaks, utilities, erosion, or support beneath one slab." }, { "id": "nws-houston-normals", "title": "Houston IAH climate normals and annual summaries", "publisher": "National Weather Service Houston/Galveston", "url": "https://www.weather.gov/hgx/climate_iah_normals_summary", "limitations": "IAH station normals are regional context, not Tomball parcel data or proof that weather caused one slab to move." }, { "id": "icc-ispsc-decks", "title": "2024 International Swimming Pool and Spa Code, Chapter 3", "publisher": "International Code Council", "url": "https://codes.iccsafe.org/content/ISPSC2024P1/chapter-3-general-compliance", "limitations": "A model code. Confirm the adopted local code, amendments, project type, and jurisdiction before relying on a requirement." }, { "id": "cdc-mahc", "title": "About the Model Aquatic Health Code", "publisher": "Centers for Disease Control and Prevention", "url": "https://www.cdc.gov/model-aquatic-health-code/index.html", "limitations": "CDC guidance, not federal law. It becomes enforceable only when adopted by a jurisdiction." }, { "id": "cpsc-pool-safety", "title": "CPSC Advises Consumers on Swimming Pool Safety", "publisher": "U.S. Consumer Product Safety Commission", "url": "https://www.cpsc.gov/Newsroom/News-Releases/1976/CPSC-Advises-Consumers-On-Swimming-Pool-Safety", "limitations": "General consumer safety guidance, not a current local building-code determination or repair specification." }, { "id": "ada-accessible-pools", "title": "ADA Requirements: Accessible Pools, Means of Entry and Exit", "publisher": "U.S. Department of Justice", "url": "https://www.ada.gov/resources/accessible-pools-requirements/", "limitations": "Does not prescribe a concrete-lifting method or certify a finished pool deck." } ] } ], "conversion": { "stage": "method-aware", "primaryAction": "Request a slab assessment", "requestDetails": [ "Wide and close photos of the full connected surface", "Doors, foundations, coping, drains, steps, or other fixed points", "Access limits and where water travels during rain" ], "reassurance": "No obligation. The request may be shared with one independent provider only after consent. Provider availability is not guaranteed." }, "editorialNotes": [ "The direct answer must remain concise enough to quote without removing the limitation that follows it.", "Natural-language variants guide coverage; they are not a license to repeat the same keyword in every paragraph." ], "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "kind": "technical-guide", "authority": "primary", "supports": "Slabjacking is used to level and align slabs-on-ground affected by settlement, erosion, flooding, or shrinkage of supporting soil or base.", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property.", "reviewedAt": "2026-07-24" }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "kind": "technical-guide", "authority": "primary", "supports": "Appropriate repair selection, hole layouts, settlement mode, grout-pressure monitoring, and verification are core parts of slabjacking practice.", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab.", "reviewedAt": "2026-07-24" }, { "id": "nrcs-web-soil-survey", "title": "Web Soil Survey", "publisher": "USDA Natural Resources Conservation Service", "url": "https://websoilsurvey.nrcs.usda.gov/", "kind": "government", "authority": "primary", "supports": "Official mapped soil information and interpretations can provide regional and property-area context.", "limitations": "Mapped soil data cannot reveal exact fill, compaction, leaks, utilities, erosion, or support beneath one slab.", "reviewedAt": "2026-07-24" }, { "id": "nws-houston-normals", "title": "Houston IAH climate normals and annual summaries", "publisher": "National Weather Service Houston/Galveston", "url": "https://www.weather.gov/hgx/climate_iah_normals_summary", "kind": "government", "authority": "primary", "supports": "Houston-area climate normals document substantial annual rainfall and seasonal temperature conditions relevant to regional drainage context.", "limitations": "IAH station normals are regional context, not Tomball parcel data or proof that weather caused one slab to move.", "reviewedAt": "2026-07-24" }, { "id": "icc-ispsc-decks", "title": "2024 International Swimming Pool and Spa Code, Chapter 3", "publisher": "International Code Council", "url": "https://codes.iccsafe.org/content/ISPSC2024P1/chapter-3-general-compliance", "kind": "standard", "authority": "primary", "supports": "Model-code provisions address pool-deck slope, drainage, gaps, and transitions.", "limitations": "A model code. Confirm the adopted local code, amendments, project type, and jurisdiction before relying on a requirement.", "reviewedAt": "2026-07-24" }, { "id": "cdc-mahc", "title": "About the Model Aquatic Health Code", "publisher": "Centers for Disease Control and Prevention", "url": "https://www.cdc.gov/model-aquatic-health-code/index.html", "kind": "government", "authority": "primary", "supports": "The MAHC provides science-based guidance for public aquatic venues, including pools at hotels, apartment complexes, homeowners associations, schools, clubs, and waterparks.", "limitations": "CDC guidance, not federal law. It becomes enforceable only when adopted by a jurisdiction.", "reviewedAt": "2026-07-24" }, { "id": "cpsc-pool-safety", "title": "CPSC Advises Consumers on Swimming Pool Safety", "publisher": "U.S. Consumer Product Safety Commission", "url": "https://www.cpsc.gov/Newsroom/News-Releases/1976/CPSC-Advises-Consumers-On-Swimming-Pool-Safety", "kind": "government", "authority": "primary", "supports": "CPSC consumer guidance recommends non-slip materials around pools and attention to safe pool construction and maintenance.", "limitations": "General consumer safety guidance, not a current local building-code determination or repair specification.", "reviewedAt": "2026-07-24" }, { "id": "ada-accessible-pools", "title": "ADA Requirements: Accessible Pools, Means of Entry and Exit", "publisher": "U.S. Department of Justice", "url": "https://www.ada.gov/resources/accessible-pools-requirements/", "kind": "government", "authority": "primary", "supports": "Public entities and public accommodations can have accessibility obligations for swimming pools and related routes.", "limitations": "Does not prescribe a concrete-lifting method or certify a finished pool deck.", "reviewedAt": "2026-07-24" } ] }, { "key": "resource:garage-apron-drop-repair", "contentType": "resource", "reviewedAt": "2026-07-24", "reviewerRole": "Editorial research review", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "nrcs-web-soil-survey", "nws-houston-normals" ], "claims": [ { "claim": "A suitable exterior apron or driveway panel may be lifted after the provider confirms which slab moved, measures the garage floor and threshold, checks connected panels and drainage, and sets a target that avoids pressure on the foundation or door system.", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "nrcs-web-soil-survey", "nws-houston-normals" ], "scope": "General decision support only. The cited material does not diagnose subsurface conditions, select a contractor, or guarantee an outcome for one property.", "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property." }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab." }, { "id": "nrcs-web-soil-survey", "title": "Web Soil Survey", "publisher": "USDA Natural Resources Conservation Service", "url": "https://websoilsurvey.nrcs.usda.gov/", "limitations": "Mapped soil data cannot reveal exact fill, compaction, leaks, utilities, erosion, or support beneath one slab." }, { "id": "nws-houston-normals", "title": "Houston IAH climate normals and annual summaries", "publisher": "National Weather Service Houston/Galveston", "url": "https://www.weather.gov/hgx/climate_iah_normals_summary", "limitations": "IAH station normals are regional context, not Tomball parcel data or proof that weather caused one slab to move." } ] }, { "claim": "Establish the fixed garage reference: Measure the garage floor, foundation edge, door, threshold, exterior apron, and adjoining driveway panels across the full opening. Note whether settlement is uniform or changes from side to side.", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "nrcs-web-soil-survey", "nws-houston-normals" ], "scope": "This section summarizes general decision criteria within the cited sources' combined scope. It does not establish the condition, cause, compliance status, or repair fit of one property.", "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property." }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab." }, { "id": "nrcs-web-soil-survey", "title": "Web Soil Survey", "publisher": "USDA Natural Resources Conservation Service", "url": "https://websoilsurvey.nrcs.usda.gov/", "limitations": "Mapped soil data cannot reveal exact fill, compaction, leaks, utilities, erosion, or support beneath one slab." }, { "id": "nws-houston-normals", "title": "Houston IAH climate normals and annual summaries", "publisher": "National Weather Service Houston/Galveston", "url": "https://www.weather.gov/hgx/climate_iah_normals_summary", "limitations": "IAH station normals are regional context, not Tomball parcel data or proof that weather caused one slab to move." } ] }, { "claim": "Set the target around drainage and clearance: The apron should transition safely for vehicles while preserving door operation and a practical path for water. Existing cracks, connected panels, and the street approach can limit the correction.", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "nrcs-web-soil-survey", "nws-houston-normals" ], "scope": "This section summarizes general decision criteria within the cited sources' combined scope. It does not establish the condition, cause, compliance status, or repair fit of one property.", "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property." }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab." }, { "id": "nrcs-web-soil-survey", "title": "Web Soil Survey", "publisher": "USDA Natural Resources Conservation Service", "url": "https://websoilsurvey.nrcs.usda.gov/", "limitations": "Mapped soil data cannot reveal exact fill, compaction, leaks, utilities, erosion, or support beneath one slab." }, { "id": "nws-houston-normals", "title": "Houston IAH climate normals and annual summaries", "publisher": "National Weather Service Houston/Galveston", "url": "https://www.weather.gov/hgx/climate_iah_normals_summary", "limitations": "IAH station normals are regional context, not Tomball parcel data or proof that weather caused one slab to move." } ] }, { "claim": "Keep related repairs separate: Joint sealing, crack repair, garage-door adjustment, drainage work, plumbing repair, and replacement of broken panels should be explicit inclusions or exclusions rather than assumed parts of the lift.", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "nrcs-web-soil-survey", "nws-houston-normals" ], "scope": "This section summarizes general decision criteria within the cited sources' combined scope. It does not establish the condition, cause, compliance status, or repair fit of one property.", "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property." }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab." }, { "id": "nrcs-web-soil-survey", "title": "Web Soil Survey", "publisher": "USDA Natural Resources Conservation Service", "url": "https://websoilsurvey.nrcs.usda.gov/", "limitations": "Mapped soil data cannot reveal exact fill, compaction, leaks, utilities, erosion, or support beneath one slab." }, { "id": "nws-houston-normals", "title": "Houston IAH climate normals and annual summaries", "publisher": "National Weather Service Houston/Galveston", "url": "https://www.weather.gov/hgx/climate_iah_normals_summary", "limitations": "IAH station normals are regional context, not Tomball parcel data or proof that weather caused one slab to move." } ] } ], "conversion": { "stage": "ready-to-request", "primaryAction": "Request a slab assessment", "requestDetails": [ "Wide and close photos of the full connected surface", "Doors, foundations, coping, drains, steps, or other fixed points", "Access limits and where water travels during rain" ], "reassurance": "No obligation. The request may be shared with one independent provider only after consent. Provider availability is not guaranteed." }, "editorialNotes": [ "The direct answer must remain concise enough to quote without removing the limitation that follows it.", "Natural-language variants guide coverage; they are not a license to repeat the same keyword in every paragraph." ], "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "kind": "technical-guide", "authority": "primary", "supports": "Slabjacking is used to level and align slabs-on-ground affected by settlement, erosion, flooding, or shrinkage of supporting soil or base.", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property.", "reviewedAt": "2026-07-24" }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "kind": "technical-guide", "authority": "primary", "supports": "Appropriate repair selection, hole layouts, settlement mode, grout-pressure monitoring, and verification are core parts of slabjacking practice.", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab.", "reviewedAt": "2026-07-24" }, { "id": "nrcs-web-soil-survey", "title": "Web Soil Survey", "publisher": "USDA Natural Resources Conservation Service", "url": "https://websoilsurvey.nrcs.usda.gov/", "kind": "government", "authority": "primary", "supports": "Official mapped soil information and interpretations can provide regional and property-area context.", "limitations": "Mapped soil data cannot reveal exact fill, compaction, leaks, utilities, erosion, or support beneath one slab.", "reviewedAt": "2026-07-24" }, { "id": "nws-houston-normals", "title": "Houston IAH climate normals and annual summaries", "publisher": "National Weather Service Houston/Galveston", "url": "https://www.weather.gov/hgx/climate_iah_normals_summary", "kind": "government", "authority": "primary", "supports": "Houston-area climate normals document substantial annual rainfall and seasonal temperature conditions relevant to regional drainage context.", "limitations": "IAH station normals are regional context, not Tomball parcel data or proof that weather caused one slab to move.", "reviewedAt": "2026-07-24" } ] }, { "key": "resource:settled-steps-porch-slab", "contentType": "resource", "reviewedAt": "2026-07-24", "reviewerRole": "Editorial research review", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "nrcs-web-soil-survey", "nws-houston-normals" ], "claims": [ { "claim": "Some independent concrete landings or step units can be lifted when they remain suitable and can move without binding a door, railing, column, foundation, or adjoining walk. Attached, monolithic, badly cracked, or structurally constrained work may require another repair.", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "nrcs-web-soil-survey", "nws-houston-normals" ], "scope": "General decision support only. The cited material does not diagnose subsurface conditions, select a contractor, or guarantee an outcome for one property.", "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property." }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab." }, { "id": "nrcs-web-soil-survey", "title": "Web Soil Survey", "publisher": "USDA Natural Resources Conservation Service", "url": "https://websoilsurvey.nrcs.usda.gov/", "limitations": "Mapped soil data cannot reveal exact fill, compaction, leaks, utilities, erosion, or support beneath one slab." }, { "id": "nws-houston-normals", "title": "Houston IAH climate normals and annual summaries", "publisher": "National Weather Service Houston/Galveston", "url": "https://www.weather.gov/hgx/climate_iah_normals_summary", "limitations": "IAH station normals are regional context, not Tomball parcel data or proof that weather caused one slab to move." } ] }, { "claim": "Measure the complete entry system: Record every riser, tread, landing, door threshold, railing, column, joint, foundation connection, and adjoining walk before deciding which piece can move.", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "nrcs-web-soil-survey", "nws-houston-normals" ], "scope": "This section summarizes general decision criteria within the cited sources' combined scope. It does not establish the condition, cause, compliance status, or repair fit of one property.", "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property." }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab." }, { "id": "nrcs-web-soil-survey", "title": "Web Soil Survey", "publisher": "USDA Natural Resources Conservation Service", "url": "https://websoilsurvey.nrcs.usda.gov/", "limitations": "Mapped soil data cannot reveal exact fill, compaction, leaks, utilities, erosion, or support beneath one slab." }, { "id": "nws-houston-normals", "title": "Houston IAH climate normals and annual summaries", "publisher": "National Weather Service Houston/Galveston", "url": "https://www.weather.gov/hgx/climate_iah_normals_summary", "limitations": "IAH station normals are regional context, not Tomball parcel data or proof that weather caused one slab to move." } ] }, { "claim": "Confirm that the concrete can move independently: A separate landing slab may be a different candidate than monolithic steps, masonry tied into the building, or concrete supporting columns. The provider should state what is assumed about attachment and support.", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "nrcs-web-soil-survey", "nws-houston-normals" ], "scope": "This section summarizes general decision criteria within the cited sources' combined scope. It does not establish the condition, cause, compliance status, or repair fit of one property.", "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property." }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab." }, { "id": "nrcs-web-soil-survey", "title": "Web Soil Survey", "publisher": "USDA Natural Resources Conservation Service", "url": "https://websoilsurvey.nrcs.usda.gov/", "limitations": "Mapped soil data cannot reveal exact fill, compaction, leaks, utilities, erosion, or support beneath one slab." }, { "id": "nws-houston-normals", "title": "Houston IAH climate normals and annual summaries", "publisher": "National Weather Service Houston/Galveston", "url": "https://www.weather.gov/hgx/climate_iah_normals_summary", "limitations": "IAH station normals are regional context, not Tomball parcel data or proof that weather caused one slab to move." } ] }, { "claim": "Define the safe finished geometry: The goal is not merely visual alignment. The completed entry should have deliberate step and landing transitions, door clearance, drainage, and any required railing or accessibility coordination.", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "nrcs-web-soil-survey", "nws-houston-normals" ], "scope": "This section summarizes general decision criteria within the cited sources' combined scope. It does not establish the condition, cause, compliance status, or repair fit of one property.", "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property." }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab." }, { "id": "nrcs-web-soil-survey", "title": "Web Soil Survey", "publisher": "USDA Natural Resources Conservation Service", "url": "https://websoilsurvey.nrcs.usda.gov/", "limitations": "Mapped soil data cannot reveal exact fill, compaction, leaks, utilities, erosion, or support beneath one slab." }, { "id": "nws-houston-normals", "title": "Houston IAH climate normals and annual summaries", "publisher": "National Weather Service Houston/Galveston", "url": "https://www.weather.gov/hgx/climate_iah_normals_summary", "limitations": "IAH station normals are regional context, not Tomball parcel data or proof that weather caused one slab to move." } ] } ], "conversion": { "stage": "method-aware", "primaryAction": "Request a slab assessment", "requestDetails": [ "Wide and close photos of the full connected surface", "Doors, foundations, coping, drains, steps, or other fixed points", "Access limits and where water travels during rain" ], "reassurance": "No obligation. The request may be shared with one independent provider only after consent. Provider availability is not guaranteed." }, "editorialNotes": [ "The direct answer must remain concise enough to quote without removing the limitation that follows it.", "Natural-language variants guide coverage; they are not a license to repeat the same keyword in every paragraph." ], "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "kind": "technical-guide", "authority": "primary", "supports": "Slabjacking is used to level and align slabs-on-ground affected by settlement, erosion, flooding, or shrinkage of supporting soil or base.", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property.", "reviewedAt": "2026-07-24" }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "kind": "technical-guide", "authority": "primary", "supports": "Appropriate repair selection, hole layouts, settlement mode, grout-pressure monitoring, and verification are core parts of slabjacking practice.", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab.", "reviewedAt": "2026-07-24" }, { "id": "nrcs-web-soil-survey", "title": "Web Soil Survey", "publisher": "USDA Natural Resources Conservation Service", "url": "https://websoilsurvey.nrcs.usda.gov/", "kind": "government", "authority": "primary", "supports": "Official mapped soil information and interpretations can provide regional and property-area context.", "limitations": "Mapped soil data cannot reveal exact fill, compaction, leaks, utilities, erosion, or support beneath one slab.", "reviewedAt": "2026-07-24" }, { "id": "nws-houston-normals", "title": "Houston IAH climate normals and annual summaries", "publisher": "National Weather Service Houston/Galveston", "url": "https://www.weather.gov/hgx/climate_iah_normals_summary", "kind": "government", "authority": "primary", "supports": "Houston-area climate normals document substantial annual rainfall and seasonal temperature conditions relevant to regional drainage context.", "limitations": "IAH station normals are regional context, not Tomball parcel data or proof that weather caused one slab to move.", "reviewedAt": "2026-07-24" } ] }, { "key": "resource:slabjacking-vs-mudjacking", "contentType": "resource", "reviewedAt": "2026-07-24", "reviewerRole": "Editorial research review", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "nrcs-web-soil-survey", "nws-houston-normals", "fhwa-grout-subsealing", "pavement-interactive-stabilization" ], "claims": [ { "claim": "Slabjacking is a broad term for raising a concrete slab by placing material beneath it. Mudjacking commonly refers to slabjacking with a pumpable cementitious or soil-based slurry. Contractors may use the terms differently, so the proposal should identify the actual material and process.", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "nrcs-web-soil-survey", "nws-houston-normals", "fhwa-grout-subsealing", "pavement-interactive-stabilization" ], "scope": "General decision support only. The cited material does not diagnose subsurface conditions, select a contractor, or guarantee an outcome for one property.", "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property." }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab." }, { "id": "nrcs-web-soil-survey", "title": "Web Soil Survey", "publisher": "USDA Natural Resources Conservation Service", "url": "https://websoilsurvey.nrcs.usda.gov/", "limitations": "Mapped soil data cannot reveal exact fill, compaction, leaks, utilities, erosion, or support beneath one slab." }, { "id": "nws-houston-normals", "title": "Houston IAH climate normals and annual summaries", "publisher": "National Weather Service Houston/Galveston", "url": "https://www.weather.gov/hgx/climate_iah_normals_summary", "limitations": "IAH station normals are regional context, not Tomball parcel data or proof that weather caused one slab to move." }, { "id": "fhwa-grout-subsealing", "title": "Fly Ash in Grouts for Pavement Subsealing", "publisher": "Federal Highway Administration", "url": "https://www.fhwa.dot.gov/pavement/recycling/fach09.cfm", "limitations": "Highway pavement guidance. Residential mixes, loading, details, and use instructions can differ." }, { "id": "pavement-interactive-stabilization", "title": "Slab Stabilization", "publisher": "Pavement Interactive", "url": "https://pavementinteractive.org/reference-desk/maintenance-and-rehabilitation/maintenance/slab-stabilization/", "limitations": "Educational pavement reference, not a residential engineering standard or job-specific specification." } ] }, { "claim": "Ask what will actually be injected: A useful proposal names the material or mix, explains how it is delivered, and describes why it fits the slab and site conditions. Generic language makes it difficult to compare weight, flow, cure, cleanup, finish, and warranty.", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "nrcs-web-soil-survey", "nws-houston-normals", "fhwa-grout-subsealing", "pavement-interactive-stabilization" ], "scope": "This section summarizes general decision criteria within the cited sources' combined scope. It does not establish the condition, cause, compliance status, or repair fit of one property.", "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property." }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab." }, { "id": "nrcs-web-soil-survey", "title": "Web Soil Survey", "publisher": "USDA Natural Resources Conservation Service", "url": "https://websoilsurvey.nrcs.usda.gov/", "limitations": "Mapped soil data cannot reveal exact fill, compaction, leaks, utilities, erosion, or support beneath one slab." }, { "id": "nws-houston-normals", "title": "Houston IAH climate normals and annual summaries", "publisher": "National Weather Service Houston/Galveston", "url": "https://www.weather.gov/hgx/climate_iah_normals_summary", "limitations": "IAH station normals are regional context, not Tomball parcel data or proof that weather caused one slab to move." }, { "id": "fhwa-grout-subsealing", "title": "Fly Ash in Grouts for Pavement Subsealing", "publisher": "Federal Highway Administration", "url": "https://www.fhwa.dot.gov/pavement/recycling/fach09.cfm", "limitations": "Highway pavement guidance. Residential mixes, loading, details, and use instructions can differ." }, { "id": "pavement-interactive-stabilization", "title": "Slab Stabilization", "publisher": "Pavement Interactive", "url": "https://pavementinteractive.org/reference-desk/maintenance-and-rehabilitation/maintenance/slab-stabilization/", "limitations": "Educational pavement reference, not a residential engineering standard or job-specific specification." } ] }, { "claim": "Compare project fit instead of terminology: Slab condition, access, nearby structures, utilities, water, void geometry, loading, and finish expectations matter more than the label. A provider should explain the evidence supporting the method and any conditions that would change the plan.", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "nrcs-web-soil-survey", "nws-houston-normals", "fhwa-grout-subsealing", "pavement-interactive-stabilization" ], "scope": "This section summarizes general decision criteria within the cited sources' combined scope. It does not establish the condition, cause, compliance status, or repair fit of one property.", "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property." }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab." }, { "id": "nrcs-web-soil-survey", "title": "Web Soil Survey", "publisher": "USDA Natural Resources Conservation Service", "url": "https://websoilsurvey.nrcs.usda.gov/", "limitations": "Mapped soil data cannot reveal exact fill, compaction, leaks, utilities, erosion, or support beneath one slab." }, { "id": "nws-houston-normals", "title": "Houston IAH climate normals and annual summaries", "publisher": "National Weather Service Houston/Galveston", "url": "https://www.weather.gov/hgx/climate_iah_normals_summary", "limitations": "IAH station normals are regional context, not Tomball parcel data or proof that weather caused one slab to move." }, { "id": "fhwa-grout-subsealing", "title": "Fly Ash in Grouts for Pavement Subsealing", "publisher": "Federal Highway Administration", "url": "https://www.fhwa.dot.gov/pavement/recycling/fach09.cfm", "limitations": "Highway pavement guidance. Residential mixes, loading, details, and use instructions can differ." }, { "id": "pavement-interactive-stabilization", "title": "Slab Stabilization", "publisher": "Pavement Interactive", "url": "https://pavementinteractive.org/reference-desk/maintenance-and-rehabilitation/maintenance/slab-stabilization/", "limitations": "Educational pavement reference, not a residential engineering standard or job-specific specification." } ] }, { "claim": "Keep synonyms aligned across estimates: When collecting multiple bids, use a comparison sheet that records the contractor’s term and the actual material. That prevents a false comparison between names that sound equivalent but describe different work.", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "nrcs-web-soil-survey", "nws-houston-normals", "fhwa-grout-subsealing", "pavement-interactive-stabilization" ], "scope": "This section summarizes general decision criteria within the cited sources' combined scope. It does not establish the condition, cause, compliance status, or repair fit of one property.", "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property." }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab." }, { "id": "nrcs-web-soil-survey", "title": "Web Soil Survey", "publisher": "USDA Natural Resources Conservation Service", "url": "https://websoilsurvey.nrcs.usda.gov/", "limitations": "Mapped soil data cannot reveal exact fill, compaction, leaks, utilities, erosion, or support beneath one slab." }, { "id": "nws-houston-normals", "title": "Houston IAH climate normals and annual summaries", "publisher": "National Weather Service Houston/Galveston", "url": "https://www.weather.gov/hgx/climate_iah_normals_summary", "limitations": "IAH station normals are regional context, not Tomball parcel data or proof that weather caused one slab to move." }, { "id": "fhwa-grout-subsealing", "title": "Fly Ash in Grouts for Pavement Subsealing", "publisher": "Federal Highway Administration", "url": "https://www.fhwa.dot.gov/pavement/recycling/fach09.cfm", "limitations": "Highway pavement guidance. Residential mixes, loading, details, and use instructions can differ." }, { "id": "pavement-interactive-stabilization", "title": "Slab Stabilization", "publisher": "Pavement Interactive", "url": "https://pavementinteractive.org/reference-desk/maintenance-and-rehabilitation/maintenance/slab-stabilization/", "limitations": "Educational pavement reference, not a residential engineering standard or job-specific specification." } ] } ], "conversion": { "stage": "problem-aware", "primaryAction": "Request a slab assessment", "requestDetails": [ "Current slab condition and desired finished elevation", "Proposed material or named product system", "Port finish, exclusions, use instructions, and warranty questions" ], "reassurance": "No obligation. The request may be shared with one independent provider only after consent. Provider availability is not guaranteed." }, "editorialNotes": [ "The direct answer must remain concise enough to quote without removing the limitation that follows it.", "Natural-language variants guide coverage; they are not a license to repeat the same keyword in every paragraph." ], "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "kind": "technical-guide", "authority": "primary", "supports": "Slabjacking is used to level and align slabs-on-ground affected by settlement, erosion, flooding, or shrinkage of supporting soil or base.", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property.", "reviewedAt": "2026-07-24" }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "kind": "technical-guide", "authority": "primary", "supports": "Appropriate repair selection, hole layouts, settlement mode, grout-pressure monitoring, and verification are core parts of slabjacking practice.", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab.", "reviewedAt": "2026-07-24" }, { "id": "nrcs-web-soil-survey", "title": "Web Soil Survey", "publisher": "USDA Natural Resources Conservation Service", "url": "https://websoilsurvey.nrcs.usda.gov/", "kind": "government", "authority": "primary", "supports": "Official mapped soil information and interpretations can provide regional and property-area context.", "limitations": "Mapped soil data cannot reveal exact fill, compaction, leaks, utilities, erosion, or support beneath one slab.", "reviewedAt": "2026-07-24" }, { "id": "nws-houston-normals", "title": "Houston IAH climate normals and annual summaries", "publisher": "National Weather Service Houston/Galveston", "url": "https://www.weather.gov/hgx/climate_iah_normals_summary", "kind": "government", "authority": "primary", "supports": "Houston-area climate normals document substantial annual rainfall and seasonal temperature conditions relevant to regional drainage context.", "limitations": "IAH station normals are regional context, not Tomball parcel data or proof that weather caused one slab to move.", "reviewedAt": "2026-07-24" }, { "id": "fhwa-grout-subsealing", "title": "Fly Ash in Grouts for Pavement Subsealing", "publisher": "Federal Highway Administration", "url": "https://www.fhwa.dot.gov/pavement/recycling/fach09.cfm", "kind": "government", "authority": "primary", "supports": "Grout must flow into voids, develop support, avoid excessive loss, and be placed with attention to pressure, cracking, temperature, and return-to-traffic conditions.", "limitations": "Highway pavement guidance. Residential mixes, loading, details, and use instructions can differ.", "reviewedAt": "2026-07-24" }, { "id": "pavement-interactive-stabilization", "title": "Slab Stabilization", "publisher": "Pavement Interactive", "url": "https://pavementinteractive.org/reference-desk/maintenance-and-rehabilitation/maintenance/slab-stabilization/", "kind": "technical-guide", "authority": "authoritative-secondary", "supports": "Filling voids to restore support is a different objective from raising a depressed slab, even though the operations may overlap.", "limitations": "Educational pavement reference, not a residential engineering standard or job-specific specification.", "reviewedAt": "2026-07-24" } ] }, { "key": "resource:what-is-polyjacking", "contentType": "resource", "reviewedAt": "2026-07-24", "reviewerRole": "Editorial research review", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "nrcs-web-soil-survey", "nws-houston-normals", "odot-polyurethane-report", "supportworks-polylevel-video", "prime-resins-slab-videos", "dupont-gap-foam" ], "claims": [ { "claim": "Polyjacking is concrete lifting with a two-part expanding polyurethane system injected through drilled ports beneath a slab. The material expands in controlled stages to fill space and raise the concrete. Product chemistry, density, equipment, port layout, and installation practices vary.", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "nrcs-web-soil-survey", "nws-houston-normals", "odot-polyurethane-report", "supportworks-polylevel-video", "prime-resins-slab-videos", "dupont-gap-foam" ], "scope": "General decision support only. The cited material does not diagnose subsurface conditions, select a contractor, or guarantee an outcome for one property.", "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property." }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab." }, { "id": "nrcs-web-soil-survey", "title": "Web Soil Survey", "publisher": "USDA Natural Resources Conservation Service", "url": "https://websoilsurvey.nrcs.usda.gov/", "limitations": "Mapped soil data cannot reveal exact fill, compaction, leaks, utilities, erosion, or support beneath one slab." }, { "id": "nws-houston-normals", "title": "Houston IAH climate normals and annual summaries", "publisher": "National Weather Service Houston/Galveston", "url": "https://www.weather.gov/hgx/climate_iah_normals_summary", "limitations": "IAH station normals are regional context, not Tomball parcel data or proof that weather caused one slab to move." }, { "id": "odot-polyurethane-report", "title": "Injected polyurethane slab jacking: final report", "publisher": "Oregon Department of Transportation and Federal Highway Administration", "url": "https://rosap.ntl.bts.gov/view/dot/22955", "limitations": "A specific transportation research project from 2002, not proof that every product, installer, or residential project performs the same way." }, { "id": "supportworks-polylevel-video", "title": "Raising Commercial Concrete Slabs with PolyLevel", "publisher": "Supportworks", "url": "https://commercial.supportworks.com/about-us/videos/7019-raising-commercial-concrete-slabs-polylevel-by-supportworks.html", "limitations": "Manufacturer marketing demonstration. Product claims, port size, timing, environmental claims, and performance are specific to that system and must not be generalized." }, { "id": "prime-resins-slab-videos", "title": "Slab lifting video library", "publisher": "Prime Resins", "url": "https://www.primeresins.com/resources/videos/slab-lifting-videos/", "limitations": "Manufacturer demonstrations, not independent comparative research or proof of suitability for a particular property." }, { "id": "dupont-gap-foam", "title": "GREAT STUFF Gaps and Cracks Insulating Foam Sealant", "publisher": "DuPont", "url": "https://www.greatstuff.dupont.com/products/gaps-cracks-insulating-foam-sealant-smart-dispenser.html", "limitations": "Product-specific manufacturer information. It does not support using canned sealant as a structural slab-lifting system." } ] }, { "claim": "The proposal should name the system: Ask for the product or system, intended use, installation approach, and provider training. The answer should connect the product to the slab, target movement, loading, moisture, utilities, and finish requirements.", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "nrcs-web-soil-survey", "nws-houston-normals", "odot-polyurethane-report", "supportworks-polylevel-video", "prime-resins-slab-videos", "dupont-gap-foam" ], "scope": "This section summarizes general decision criteria within the cited sources' combined scope. It does not establish the condition, cause, compliance status, or repair fit of one property.", "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property." }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab." }, { "id": "nrcs-web-soil-survey", "title": "Web Soil Survey", "publisher": "USDA Natural Resources Conservation Service", "url": "https://websoilsurvey.nrcs.usda.gov/", "limitations": "Mapped soil data cannot reveal exact fill, compaction, leaks, utilities, erosion, or support beneath one slab." }, { "id": "nws-houston-normals", "title": "Houston IAH climate normals and annual summaries", "publisher": "National Weather Service Houston/Galveston", "url": "https://www.weather.gov/hgx/climate_iah_normals_summary", "limitations": "IAH station normals are regional context, not Tomball parcel data or proof that weather caused one slab to move." }, { "id": "odot-polyurethane-report", "title": "Injected polyurethane slab jacking: final report", "publisher": "Oregon Department of Transportation and Federal Highway Administration", "url": "https://rosap.ntl.bts.gov/view/dot/22955", "limitations": "A specific transportation research project from 2002, not proof that every product, installer, or residential project performs the same way." }, { "id": "supportworks-polylevel-video", "title": "Raising Commercial Concrete Slabs with PolyLevel", "publisher": "Supportworks", "url": "https://commercial.supportworks.com/about-us/videos/7019-raising-commercial-concrete-slabs-polylevel-by-supportworks.html", "limitations": "Manufacturer marketing demonstration. Product claims, port size, timing, environmental claims, and performance are specific to that system and must not be generalized." }, { "id": "prime-resins-slab-videos", "title": "Slab lifting video library", "publisher": "Prime Resins", "url": "https://www.primeresins.com/resources/videos/slab-lifting-videos/", "limitations": "Manufacturer demonstrations, not independent comparative research or proof of suitability for a particular property." }, { "id": "dupont-gap-foam", "title": "GREAT STUFF Gaps and Cracks Insulating Foam Sealant", "publisher": "DuPont", "url": "https://www.greatstuff.dupont.com/products/gaps-cracks-insulating-foam-sealant-smart-dispenser.html", "limitations": "Product-specific manufacturer information. It does not support using canned sealant as a structural slab-lifting system." } ] }, { "claim": "Controlled expansion is the job: Expansion can be useful because material reaches spaces and develops lift, but uncontrolled movement can damage slabs, fixed structures, pool components, or utilities. The provider should inject in measured stages and identify stop conditions.", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "nrcs-web-soil-survey", "nws-houston-normals", "odot-polyurethane-report", "supportworks-polylevel-video", "prime-resins-slab-videos", "dupont-gap-foam" ], "scope": "This section summarizes general decision criteria within the cited sources' combined scope. It does not establish the condition, cause, compliance status, or repair fit of one property.", "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property." }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab." }, { "id": "nrcs-web-soil-survey", "title": "Web Soil Survey", "publisher": "USDA Natural Resources Conservation Service", "url": "https://websoilsurvey.nrcs.usda.gov/", "limitations": "Mapped soil data cannot reveal exact fill, compaction, leaks, utilities, erosion, or support beneath one slab." }, { "id": "nws-houston-normals", "title": "Houston IAH climate normals and annual summaries", "publisher": "National Weather Service Houston/Galveston", "url": "https://www.weather.gov/hgx/climate_iah_normals_summary", "limitations": "IAH station normals are regional context, not Tomball parcel data or proof that weather caused one slab to move." }, { "id": "odot-polyurethane-report", "title": "Injected polyurethane slab jacking: final report", "publisher": "Oregon Department of Transportation and Federal Highway Administration", "url": "https://rosap.ntl.bts.gov/view/dot/22955", "limitations": "A specific transportation research project from 2002, not proof that every product, installer, or residential project performs the same way." }, { "id": "supportworks-polylevel-video", "title": "Raising Commercial Concrete Slabs with PolyLevel", "publisher": "Supportworks", "url": "https://commercial.supportworks.com/about-us/videos/7019-raising-commercial-concrete-slabs-polylevel-by-supportworks.html", "limitations": "Manufacturer marketing demonstration. Product claims, port size, timing, environmental claims, and performance are specific to that system and must not be generalized." }, { "id": "prime-resins-slab-videos", "title": "Slab lifting video library", "publisher": "Prime Resins", "url": "https://www.primeresins.com/resources/videos/slab-lifting-videos/", "limitations": "Manufacturer demonstrations, not independent comparative research or proof of suitability for a particular property." }, { "id": "dupont-gap-foam", "title": "GREAT STUFF Gaps and Cracks Insulating Foam Sealant", "publisher": "DuPont", "url": "https://www.greatstuff.dupont.com/products/gaps-cracks-insulating-foam-sealant-smart-dispenser.html", "limitations": "Product-specific manufacturer information. It does not support using canned sealant as a structural slab-lifting system." } ] }, { "claim": "Foam does not replace diagnosis: Polyjacking can change support and elevation. It does not automatically repair active leaks, drainage, deteriorated concrete, roots, or structural problems. Those conditions belong in the inspection and exclusions.", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "nrcs-web-soil-survey", "nws-houston-normals", "odot-polyurethane-report", "supportworks-polylevel-video", "prime-resins-slab-videos", "dupont-gap-foam" ], "scope": "This section summarizes general decision criteria within the cited sources' combined scope. It does not establish the condition, cause, compliance status, or repair fit of one property.", "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property." }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab." }, { "id": "nrcs-web-soil-survey", "title": "Web Soil Survey", "publisher": "USDA Natural Resources Conservation Service", "url": "https://websoilsurvey.nrcs.usda.gov/", "limitations": "Mapped soil data cannot reveal exact fill, compaction, leaks, utilities, erosion, or support beneath one slab." }, { "id": "nws-houston-normals", "title": "Houston IAH climate normals and annual summaries", "publisher": "National Weather Service Houston/Galveston", "url": "https://www.weather.gov/hgx/climate_iah_normals_summary", "limitations": "IAH station normals are regional context, not Tomball parcel data or proof that weather caused one slab to move." }, { "id": "odot-polyurethane-report", "title": "Injected polyurethane slab jacking: final report", "publisher": "Oregon Department of Transportation and Federal Highway Administration", "url": "https://rosap.ntl.bts.gov/view/dot/22955", "limitations": "A specific transportation research project from 2002, not proof that every product, installer, or residential project performs the same way." }, { "id": "supportworks-polylevel-video", "title": "Raising Commercial Concrete Slabs with PolyLevel", "publisher": "Supportworks", "url": "https://commercial.supportworks.com/about-us/videos/7019-raising-commercial-concrete-slabs-polylevel-by-supportworks.html", "limitations": "Manufacturer marketing demonstration. Product claims, port size, timing, environmental claims, and performance are specific to that system and must not be generalized." }, { "id": "prime-resins-slab-videos", "title": "Slab lifting video library", "publisher": "Prime Resins", "url": "https://www.primeresins.com/resources/videos/slab-lifting-videos/", "limitations": "Manufacturer demonstrations, not independent comparative research or proof of suitability for a particular property." }, { "id": "dupont-gap-foam", "title": "GREAT STUFF Gaps and Cracks Insulating Foam Sealant", "publisher": "DuPont", "url": "https://www.greatstuff.dupont.com/products/gaps-cracks-insulating-foam-sealant-smart-dispenser.html", "limitations": "Product-specific manufacturer information. It does not support using canned sealant as a structural slab-lifting system." } ] } ], "conversion": { "stage": "problem-aware", "primaryAction": "Request a slab assessment", "requestDetails": [ "Current slab condition and desired finished elevation", "Proposed material or named product system", "Port finish, exclusions, use instructions, and warranty questions" ], "reassurance": "No obligation. The request may be shared with one independent provider only after consent. Provider availability is not guaranteed." }, "editorialNotes": [ "The direct answer must remain concise enough to quote without removing the limitation that follows it.", "Natural-language variants guide coverage; they are not a license to repeat the same keyword in every paragraph." ], "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "kind": "technical-guide", "authority": "primary", "supports": "Slabjacking is used to level and align slabs-on-ground affected by settlement, erosion, flooding, or shrinkage of supporting soil or base.", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property.", "reviewedAt": "2026-07-24" }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "kind": "technical-guide", "authority": "primary", "supports": "Appropriate repair selection, hole layouts, settlement mode, grout-pressure monitoring, and verification are core parts of slabjacking practice.", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab.", "reviewedAt": "2026-07-24" }, { "id": "nrcs-web-soil-survey", "title": "Web Soil Survey", "publisher": "USDA Natural Resources Conservation Service", "url": "https://websoilsurvey.nrcs.usda.gov/", "kind": "government", "authority": "primary", "supports": "Official mapped soil information and interpretations can provide regional and property-area context.", "limitations": "Mapped soil data cannot reveal exact fill, compaction, leaks, utilities, erosion, or support beneath one slab.", "reviewedAt": "2026-07-24" }, { "id": "nws-houston-normals", "title": "Houston IAH climate normals and annual summaries", "publisher": "National Weather Service Houston/Galveston", "url": "https://www.weather.gov/hgx/climate_iah_normals_summary", "kind": "government", "authority": "primary", "supports": "Houston-area climate normals document substantial annual rainfall and seasonal temperature conditions relevant to regional drainage context.", "limitations": "IAH station normals are regional context, not Tomball parcel data or proof that weather caused one slab to move.", "reviewedAt": "2026-07-24" }, { "id": "odot-polyurethane-report", "title": "Injected polyurethane slab jacking: final report", "publisher": "Oregon Department of Transportation and Federal Highway Administration", "url": "https://rosap.ntl.bts.gov/view/dot/22955", "kind": "research", "authority": "primary", "supports": "Injected polyurethane has been studied as an alternative method for raising and stabilizing in-place concrete slabs, with monitored field performance and material testing.", "limitations": "A specific transportation research project from 2002, not proof that every product, installer, or residential project performs the same way.", "reviewedAt": "2026-07-24" }, { "id": "supportworks-polylevel-video", "title": "Raising Commercial Concrete Slabs with PolyLevel", "publisher": "Supportworks", "url": "https://commercial.supportworks.com/about-us/videos/7019-raising-commercial-concrete-slabs-polylevel-by-supportworks.html", "kind": "process-video", "authority": "commercial-demonstration", "supports": "Shows one proprietary polyurethane-lifting workflow, including drilling, injection, expansion, and slab movement.", "limitations": "Manufacturer marketing demonstration. Product claims, port size, timing, environmental claims, and performance are specific to that system and must not be generalized.", "reviewedAt": "2026-07-24" }, { "id": "prime-resins-slab-videos", "title": "Slab lifting video library", "publisher": "Prime Resins", "url": "https://www.primeresins.com/resources/videos/slab-lifting-videos/", "kind": "process-video", "authority": "commercial-demonstration", "supports": "Shows several polyurethane slab-lifting and soil-stabilization applications and equipment configurations.", "limitations": "Manufacturer demonstrations, not independent comparative research or proof of suitability for a particular property.", "reviewedAt": "2026-07-24" }, { "id": "dupont-gap-foam", "title": "GREAT STUFF Gaps and Cracks Insulating Foam Sealant", "publisher": "DuPont", "url": "https://www.greatstuff.dupont.com/products/gaps-cracks-insulating-foam-sealant-smart-dispenser.html", "kind": "manufacturer", "authority": "primary", "supports": "A common consumer canned foam is marketed to fill, seal, and insulate small household gaps and penetrations.", "limitations": "Product-specific manufacturer information. It does not support using canned sealant as a structural slab-lifting system.", "reviewedAt": "2026-07-24" } ] }, { "key": "resource:foam-injection-concrete-lifting", "contentType": "resource", "reviewedAt": "2026-07-24", "reviewerRole": "Editorial research review", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "nrcs-web-soil-survey", "nws-houston-normals", "odot-polyurethane-report", "supportworks-polylevel-video", "prime-resins-slab-videos" ], "claims": [ { "claim": "A provider drills ports and injects a two-part polyurethane system beneath the slab. The material expands, occupies space, and can raise the concrete when placed in controlled stages. The safe plan depends on slab condition, fixed points, utilities, drainage, target elevation, and product details.", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "nrcs-web-soil-survey", "nws-houston-normals", "odot-polyurethane-report", "supportworks-polylevel-video", "prime-resins-slab-videos" ], "scope": "General decision support only. The cited material does not diagnose subsurface conditions, select a contractor, or guarantee an outcome for one property.", "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property." }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab." }, { "id": "nrcs-web-soil-survey", "title": "Web Soil Survey", "publisher": "USDA Natural Resources Conservation Service", "url": "https://websoilsurvey.nrcs.usda.gov/", "limitations": "Mapped soil data cannot reveal exact fill, compaction, leaks, utilities, erosion, or support beneath one slab." }, { "id": "nws-houston-normals", "title": "Houston IAH climate normals and annual summaries", "publisher": "National Weather Service Houston/Galveston", "url": "https://www.weather.gov/hgx/climate_iah_normals_summary", "limitations": "IAH station normals are regional context, not Tomball parcel data or proof that weather caused one slab to move." }, { "id": "odot-polyurethane-report", "title": "Injected polyurethane slab jacking: final report", "publisher": "Oregon Department of Transportation and Federal Highway Administration", "url": "https://rosap.ntl.bts.gov/view/dot/22955", "limitations": "A specific transportation research project from 2002, not proof that every product, installer, or residential project performs the same way." }, { "id": "supportworks-polylevel-video", "title": "Raising Commercial Concrete Slabs with PolyLevel", "publisher": "Supportworks", "url": "https://commercial.supportworks.com/about-us/videos/7019-raising-commercial-concrete-slabs-polylevel-by-supportworks.html", "limitations": "Manufacturer marketing demonstration. Product claims, port size, timing, environmental claims, and performance are specific to that system and must not be generalized." }, { "id": "prime-resins-slab-videos", "title": "Slab lifting video library", "publisher": "Prime Resins", "url": "https://www.primeresins.com/resources/videos/slab-lifting-videos/", "limitations": "Manufacturer demonstrations, not independent comparative research or proof of suitability for a particular property." } ] }, { "claim": "A good port plan follows the slab and constraints: Port locations should account for cracks, joints, panel geometry, likely voids, fixed structures, drains, pool components, utilities, and access. Randomly drilling until the slab moves is not a documented plan.", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "nrcs-web-soil-survey", "nws-houston-normals", "odot-polyurethane-report", "supportworks-polylevel-video", "prime-resins-slab-videos" ], "scope": "This section summarizes general decision criteria within the cited sources' combined scope. It does not establish the condition, cause, compliance status, or repair fit of one property.", "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property." }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab." }, { "id": "nrcs-web-soil-survey", "title": "Web Soil Survey", "publisher": "USDA Natural Resources Conservation Service", "url": "https://websoilsurvey.nrcs.usda.gov/", "limitations": "Mapped soil data cannot reveal exact fill, compaction, leaks, utilities, erosion, or support beneath one slab." }, { "id": "nws-houston-normals", "title": "Houston IAH climate normals and annual summaries", "publisher": "National Weather Service Houston/Galveston", "url": "https://www.weather.gov/hgx/climate_iah_normals_summary", "limitations": "IAH station normals are regional context, not Tomball parcel data or proof that weather caused one slab to move." }, { "id": "odot-polyurethane-report", "title": "Injected polyurethane slab jacking: final report", "publisher": "Oregon Department of Transportation and Federal Highway Administration", "url": "https://rosap.ntl.bts.gov/view/dot/22955", "limitations": "A specific transportation research project from 2002, not proof that every product, installer, or residential project performs the same way." }, { "id": "supportworks-polylevel-video", "title": "Raising Commercial Concrete Slabs with PolyLevel", "publisher": "Supportworks", "url": "https://commercial.supportworks.com/about-us/videos/7019-raising-commercial-concrete-slabs-polylevel-by-supportworks.html", "limitations": "Manufacturer marketing demonstration. Product claims, port size, timing, environmental claims, and performance are specific to that system and must not be generalized." }, { "id": "prime-resins-slab-videos", "title": "Slab lifting video library", "publisher": "Prime Resins", "url": "https://www.primeresins.com/resources/videos/slab-lifting-videos/", "limitations": "Manufacturer demonstrations, not independent comparative research or proof of suitability for a particular property." } ] }, { "claim": "Ask how material quantity and uncertainty are handled: Subsurface volume is not always fully visible. The estimate should state included material, minimums, overage or change-order rules, and what happens if material escapes or the slab does not respond as expected.", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "nrcs-web-soil-survey", "nws-houston-normals", "odot-polyurethane-report", "supportworks-polylevel-video", "prime-resins-slab-videos" ], "scope": "This section summarizes general decision criteria within the cited sources' combined scope. It does not establish the condition, cause, compliance status, or repair fit of one property.", "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property." }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab." }, { "id": "nrcs-web-soil-survey", "title": "Web Soil Survey", "publisher": "USDA Natural Resources Conservation Service", "url": "https://websoilsurvey.nrcs.usda.gov/", "limitations": "Mapped soil data cannot reveal exact fill, compaction, leaks, utilities, erosion, or support beneath one slab." }, { "id": "nws-houston-normals", "title": "Houston IAH climate normals and annual summaries", "publisher": "National Weather Service Houston/Galveston", "url": "https://www.weather.gov/hgx/climate_iah_normals_summary", "limitations": "IAH station normals are regional context, not Tomball parcel data or proof that weather caused one slab to move." }, { "id": "odot-polyurethane-report", "title": "Injected polyurethane slab jacking: final report", "publisher": "Oregon Department of Transportation and Federal Highway Administration", "url": "https://rosap.ntl.bts.gov/view/dot/22955", "limitations": "A specific transportation research project from 2002, not proof that every product, installer, or residential project performs the same way." }, { "id": "supportworks-polylevel-video", "title": "Raising Commercial Concrete Slabs with PolyLevel", "publisher": "Supportworks", "url": "https://commercial.supportworks.com/about-us/videos/7019-raising-commercial-concrete-slabs-polylevel-by-supportworks.html", "limitations": "Manufacturer marketing demonstration. Product claims, port size, timing, environmental claims, and performance are specific to that system and must not be generalized." }, { "id": "prime-resins-slab-videos", "title": "Slab lifting video library", "publisher": "Prime Resins", "url": "https://www.primeresins.com/resources/videos/slab-lifting-videos/", "limitations": "Manufacturer demonstrations, not independent comparative research or proof of suitability for a particular property." } ] }, { "claim": "Review product-specific use instructions: Return-to-use time, loading, temperature, moisture, and cleanup guidance should come from the product and provider’s process. Keep the written instructions and material identification with the invoice and warranty.", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "nrcs-web-soil-survey", "nws-houston-normals", "odot-polyurethane-report", "supportworks-polylevel-video", "prime-resins-slab-videos" ], "scope": "This section summarizes general decision criteria within the cited sources' combined scope. It does not establish the condition, cause, compliance status, or repair fit of one property.", "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property." }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab." }, { "id": "nrcs-web-soil-survey", "title": "Web Soil Survey", "publisher": "USDA Natural Resources Conservation Service", "url": "https://websoilsurvey.nrcs.usda.gov/", "limitations": "Mapped soil data cannot reveal exact fill, compaction, leaks, utilities, erosion, or support beneath one slab." }, { "id": "nws-houston-normals", "title": "Houston IAH climate normals and annual summaries", "publisher": "National Weather Service Houston/Galveston", "url": "https://www.weather.gov/hgx/climate_iah_normals_summary", "limitations": "IAH station normals are regional context, not Tomball parcel data or proof that weather caused one slab to move." }, { "id": "odot-polyurethane-report", "title": "Injected polyurethane slab jacking: final report", "publisher": "Oregon Department of Transportation and Federal Highway Administration", "url": "https://rosap.ntl.bts.gov/view/dot/22955", "limitations": "A specific transportation research project from 2002, not proof that every product, installer, or residential project performs the same way." }, { "id": "supportworks-polylevel-video", "title": "Raising Commercial Concrete Slabs with PolyLevel", "publisher": "Supportworks", "url": "https://commercial.supportworks.com/about-us/videos/7019-raising-commercial-concrete-slabs-polylevel-by-supportworks.html", "limitations": "Manufacturer marketing demonstration. Product claims, port size, timing, environmental claims, and performance are specific to that system and must not be generalized." }, { "id": "prime-resins-slab-videos", "title": "Slab lifting video library", "publisher": "Prime Resins", "url": "https://www.primeresins.com/resources/videos/slab-lifting-videos/", "limitations": "Manufacturer demonstrations, not independent comparative research or proof of suitability for a particular property." } ] } ], "conversion": { "stage": "method-aware", "primaryAction": "Request a slab assessment", "requestDetails": [ "Current slab condition and desired finished elevation", "Proposed material or named product system", "Port finish, exclusions, use instructions, and warranty questions" ], "reassurance": "No obligation. The request may be shared with one independent provider only after consent. Provider availability is not guaranteed." }, "editorialNotes": [ "The direct answer must remain concise enough to quote without removing the limitation that follows it.", "Natural-language variants guide coverage; they are not a license to repeat the same keyword in every paragraph." ], "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "kind": "technical-guide", "authority": "primary", "supports": "Slabjacking is used to level and align slabs-on-ground affected by settlement, erosion, flooding, or shrinkage of supporting soil or base.", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property.", "reviewedAt": "2026-07-24" }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "kind": "technical-guide", "authority": "primary", "supports": "Appropriate repair selection, hole layouts, settlement mode, grout-pressure monitoring, and verification are core parts of slabjacking practice.", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab.", "reviewedAt": "2026-07-24" }, { "id": "nrcs-web-soil-survey", "title": "Web Soil Survey", "publisher": "USDA Natural Resources Conservation Service", "url": "https://websoilsurvey.nrcs.usda.gov/", "kind": "government", "authority": "primary", "supports": "Official mapped soil information and interpretations can provide regional and property-area context.", "limitations": "Mapped soil data cannot reveal exact fill, compaction, leaks, utilities, erosion, or support beneath one slab.", "reviewedAt": "2026-07-24" }, { "id": "nws-houston-normals", "title": "Houston IAH climate normals and annual summaries", "publisher": "National Weather Service Houston/Galveston", "url": "https://www.weather.gov/hgx/climate_iah_normals_summary", "kind": "government", "authority": "primary", "supports": "Houston-area climate normals document substantial annual rainfall and seasonal temperature conditions relevant to regional drainage context.", "limitations": "IAH station normals are regional context, not Tomball parcel data or proof that weather caused one slab to move.", "reviewedAt": "2026-07-24" }, { "id": "odot-polyurethane-report", "title": "Injected polyurethane slab jacking: final report", "publisher": "Oregon Department of Transportation and Federal Highway Administration", "url": "https://rosap.ntl.bts.gov/view/dot/22955", "kind": "research", "authority": "primary", "supports": "Injected polyurethane has been studied as an alternative method for raising and stabilizing in-place concrete slabs, with monitored field performance and material testing.", "limitations": "A specific transportation research project from 2002, not proof that every product, installer, or residential project performs the same way.", "reviewedAt": "2026-07-24" }, { "id": "supportworks-polylevel-video", "title": "Raising Commercial Concrete Slabs with PolyLevel", "publisher": "Supportworks", "url": "https://commercial.supportworks.com/about-us/videos/7019-raising-commercial-concrete-slabs-polylevel-by-supportworks.html", "kind": "process-video", "authority": "commercial-demonstration", "supports": "Shows one proprietary polyurethane-lifting workflow, including drilling, injection, expansion, and slab movement.", "limitations": "Manufacturer marketing demonstration. Product claims, port size, timing, environmental claims, and performance are specific to that system and must not be generalized.", "reviewedAt": "2026-07-24" }, { "id": "prime-resins-slab-videos", "title": "Slab lifting video library", "publisher": "Prime Resins", "url": "https://www.primeresins.com/resources/videos/slab-lifting-videos/", "kind": "process-video", "authority": "commercial-demonstration", "supports": "Shows several polyurethane slab-lifting and soil-stabilization applications and equipment configurations.", "limitations": "Manufacturer demonstrations, not independent comparative research or proof of suitability for a particular property.", "reviewedAt": "2026-07-24" } ] }, { "key": "resource:concrete-grinding-vs-leveling", "contentType": "resource", "reviewedAt": "2026-07-24", "reviewerRole": "Editorial research review", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "nrcs-web-soil-survey", "nws-houston-normals" ], "claims": [ { "claim": "Grinding removes material from a high edge; leveling raises a suitable low slab and restores support. Grinding may fit a limited projection when enough concrete remains. Lifting may fit settlement. Broken panels, roots, drainage, or design problems can require replacement or combined work.", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "nrcs-web-soil-survey", "nws-houston-normals" ], "scope": "General decision support only. The cited material does not diagnose subsurface conditions, select a contractor, or guarantee an outcome for one property.", "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property." }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab." }, { "id": "nrcs-web-soil-survey", "title": "Web Soil Survey", "publisher": "USDA Natural Resources Conservation Service", "url": "https://websoilsurvey.nrcs.usda.gov/", "limitations": "Mapped soil data cannot reveal exact fill, compaction, leaks, utilities, erosion, or support beneath one slab." }, { "id": "nws-houston-normals", "title": "Houston IAH climate normals and annual summaries", "publisher": "National Weather Service Houston/Galveston", "url": "https://www.weather.gov/hgx/climate_iah_normals_summary", "limitations": "IAH station normals are regional context, not Tomball parcel data or proof that weather caused one slab to move." } ] }, { "claim": "Grinding changes the surface, not the support: Grinding can reduce a local lip, but it removes thickness and exposes a different finish. It does not raise a low slab, fill a void, or correct ponding caused by settlement. The proposal should state the grinding width, depth, finish, dust control, and remaining transition.", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "nrcs-web-soil-survey", "nws-houston-normals" ], "scope": "This section summarizes general decision criteria within the cited sources' combined scope. It does not establish the condition, cause, compliance status, or repair fit of one property.", "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property." }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab." }, { "id": "nrcs-web-soil-survey", "title": "Web Soil Survey", "publisher": "USDA Natural Resources Conservation Service", "url": "https://websoilsurvey.nrcs.usda.gov/", "limitations": "Mapped soil data cannot reveal exact fill, compaction, leaks, utilities, erosion, or support beneath one slab." }, { "id": "nws-houston-normals", "title": "Houston IAH climate normals and annual summaries", "publisher": "National Weather Service Houston/Galveston", "url": "https://www.weather.gov/hgx/climate_iah_normals_summary", "limitations": "IAH station normals are regional context, not Tomball parcel data or proof that weather caused one slab to move." } ] }, { "claim": "Leveling changes elevation and support: Lifting can realign suitable panels while preserving most of the surface. Existing cracks, wear, and discoloration remain. Moving one panel can affect the next joint, drainage, gates, doors, curbs, and accessibility.", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "nrcs-web-soil-survey", "nws-houston-normals" ], "scope": "This section summarizes general decision criteria within the cited sources' combined scope. It does not establish the condition, cause, compliance status, or repair fit of one property.", "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property." }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab." }, { "id": "nrcs-web-soil-survey", "title": "Web Soil Survey", "publisher": "USDA Natural Resources Conservation Service", "url": "https://websoilsurvey.nrcs.usda.gov/", "limitations": "Mapped soil data cannot reveal exact fill, compaction, leaks, utilities, erosion, or support beneath one slab." }, { "id": "nws-houston-normals", "title": "Houston IAH climate normals and annual summaries", "publisher": "National Weather Service Houston/Galveston", "url": "https://www.weather.gov/hgx/climate_iah_normals_summary", "limitations": "IAH station normals are regional context, not Tomball parcel data or proof that weather caused one slab to move." } ] }, { "claim": "Use replacement when geometry or material must be rebuilt: Replacement deserves comparison when grinding would remove too much slab, the panel is fragmented, roots or structures block movement, or the slab needs new dimensions, reinforcement, slope, joints, or finish.", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "nrcs-web-soil-survey", "nws-houston-normals" ], "scope": "This section summarizes general decision criteria within the cited sources' combined scope. It does not establish the condition, cause, compliance status, or repair fit of one property.", "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property." }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab." }, { "id": "nrcs-web-soil-survey", "title": "Web Soil Survey", "publisher": "USDA Natural Resources Conservation Service", "url": "https://websoilsurvey.nrcs.usda.gov/", "limitations": "Mapped soil data cannot reveal exact fill, compaction, leaks, utilities, erosion, or support beneath one slab." }, { "id": "nws-houston-normals", "title": "Houston IAH climate normals and annual summaries", "publisher": "National Weather Service Houston/Galveston", "url": "https://www.weather.gov/hgx/climate_iah_normals_summary", "limitations": "IAH station normals are regional context, not Tomball parcel data or proof that weather caused one slab to move." } ] } ], "conversion": { "stage": "method-aware", "primaryAction": "Request a slab assessment", "requestDetails": [ "Current slab condition and desired finished elevation", "Proposed material or named product system", "Port finish, exclusions, use instructions, and warranty questions" ], "reassurance": "No obligation. The request may be shared with one independent provider only after consent. Provider availability is not guaranteed." }, "editorialNotes": [ "The direct answer must remain concise enough to quote without removing the limitation that follows it.", "Natural-language variants guide coverage; they are not a license to repeat the same keyword in every paragraph." ], "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "kind": "technical-guide", "authority": "primary", "supports": "Slabjacking is used to level and align slabs-on-ground affected by settlement, erosion, flooding, or shrinkage of supporting soil or base.", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property.", "reviewedAt": "2026-07-24" }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "kind": "technical-guide", "authority": "primary", "supports": "Appropriate repair selection, hole layouts, settlement mode, grout-pressure monitoring, and verification are core parts of slabjacking practice.", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab.", "reviewedAt": "2026-07-24" }, { "id": "nrcs-web-soil-survey", "title": "Web Soil Survey", "publisher": "USDA Natural Resources Conservation Service", "url": "https://websoilsurvey.nrcs.usda.gov/", "kind": "government", "authority": "primary", "supports": "Official mapped soil information and interpretations can provide regional and property-area context.", "limitations": "Mapped soil data cannot reveal exact fill, compaction, leaks, utilities, erosion, or support beneath one slab.", "reviewedAt": "2026-07-24" }, { "id": "nws-houston-normals", "title": "Houston IAH climate normals and annual summaries", "publisher": "National Weather Service Houston/Galveston", "url": "https://www.weather.gov/hgx/climate_iah_normals_summary", "kind": "government", "authority": "primary", "supports": "Houston-area climate normals document substantial annual rainfall and seasonal temperature conditions relevant to regional drainage context.", "limitations": "IAH station normals are regional context, not Tomball parcel data or proof that weather caused one slab to move.", "reviewedAt": "2026-07-24" } ] }, { "key": "resource:concrete-lifting-without-replacement", "contentType": "resource", "reviewedAt": "2026-07-24", "reviewerRole": "Editorial research review", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "nrcs-web-soil-survey", "nws-houston-normals" ], "claims": [ { "claim": "Often, yes. An intact settled slab may be raised by placing grout or expanding polyurethane beneath it. Lifting is less suitable when concrete is fragmented, crumbling, badly root-displaced, structurally inadequate, or needs a new shape, slope, reinforcement, or finish.", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "nrcs-web-soil-survey", "nws-houston-normals" ], "scope": "General decision support only. The cited material does not diagnose subsurface conditions, select a contractor, or guarantee an outcome for one property.", "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property." }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab." }, { "id": "nrcs-web-soil-survey", "title": "Web Soil Survey", "publisher": "USDA Natural Resources Conservation Service", "url": "https://websoilsurvey.nrcs.usda.gov/", "limitations": "Mapped soil data cannot reveal exact fill, compaction, leaks, utilities, erosion, or support beneath one slab." }, { "id": "nws-houston-normals", "title": "Houston IAH climate normals and annual summaries", "publisher": "National Weather Service Houston/Galveston", "url": "https://www.weather.gov/hgx/climate_iah_normals_summary", "limitations": "IAH station normals are regional context, not Tomball parcel data or proof that weather caused one slab to move." } ] }, { "claim": "Look for a usable slab with an elevation problem: Lifting deserves evaluation when panels remain capable of moving as stable sections and the desired correction is mainly support or elevation. The inspection should identify cracks, joints, surface loss, loading, fixed structures, access, and the likely movement path.", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "nrcs-web-soil-survey", "nws-houston-normals" ], "scope": "This section summarizes general decision criteria within the cited sources' combined scope. It does not establish the condition, cause, compliance status, or repair fit of one property.", "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property." }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab." }, { "id": "nrcs-web-soil-survey", "title": "Web Soil Survey", "publisher": "USDA Natural Resources Conservation Service", "url": "https://websoilsurvey.nrcs.usda.gov/", "limitations": "Mapped soil data cannot reveal exact fill, compaction, leaks, utilities, erosion, or support beneath one slab." }, { "id": "nws-houston-normals", "title": "Houston IAH climate normals and annual summaries", "publisher": "National Weather Service Houston/Galveston", "url": "https://www.weather.gov/hgx/climate_iah_normals_summary", "limitations": "IAH station normals are regional context, not Tomball parcel data or proof that weather caused one slab to move." } ] }, { "claim": "Know what lifting does not reset: The old surface, cracks, control joints, thickness, reinforcement, and dimensions remain. Injection ports are patched. If a uniform new finish or redesigned drainage is the main goal, replacement may provide a more complete result.", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "nrcs-web-soil-survey", "nws-houston-normals" ], "scope": "This section summarizes general decision criteria within the cited sources' combined scope. It does not establish the condition, cause, compliance status, or repair fit of one property.", "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property." }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab." }, { "id": "nrcs-web-soil-survey", "title": "Web Soil Survey", "publisher": "USDA Natural Resources Conservation Service", "url": "https://websoilsurvey.nrcs.usda.gov/", "limitations": "Mapped soil data cannot reveal exact fill, compaction, leaks, utilities, erosion, or support beneath one slab." }, { "id": "nws-houston-normals", "title": "Houston IAH climate normals and annual summaries", "publisher": "National Weather Service Houston/Galveston", "url": "https://www.weather.gov/hgx/climate_iah_normals_summary", "limitations": "IAH station normals are regional context, not Tomball parcel data or proof that weather caused one slab to move." } ] }, { "claim": "Compare disruption and total scope: Lifting can reduce demolition, haul-off, curing, and site disruption. Replacement may offer broader redesign. Compare access, protection, downtime, cleanup, finish, exclusions, risk, and warranty rather than choosing from price alone.", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "nrcs-web-soil-survey", "nws-houston-normals" ], "scope": "This section summarizes general decision criteria within the cited sources' combined scope. It does not establish the condition, cause, compliance status, or repair fit of one property.", "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property." }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab." }, { "id": "nrcs-web-soil-survey", "title": "Web Soil Survey", "publisher": "USDA Natural Resources Conservation Service", "url": "https://websoilsurvey.nrcs.usda.gov/", "limitations": "Mapped soil data cannot reveal exact fill, compaction, leaks, utilities, erosion, or support beneath one slab." }, { "id": "nws-houston-normals", "title": "Houston IAH climate normals and annual summaries", "publisher": "National Weather Service Houston/Galveston", "url": "https://www.weather.gov/hgx/climate_iah_normals_summary", "limitations": "IAH station normals are regional context, not Tomball parcel data or proof that weather caused one slab to move." } ] } ], "conversion": { "stage": "ready-to-request", "primaryAction": "Request a slab assessment", "requestDetails": [ "Current slab condition and desired finished elevation", "Proposed material or named product system", "Port finish, exclusions, use instructions, and warranty questions" ], "reassurance": "No obligation. The request may be shared with one independent provider only after consent. Provider availability is not guaranteed." }, "editorialNotes": [ "The direct answer must remain concise enough to quote without removing the limitation that follows it.", "Natural-language variants guide coverage; they are not a license to repeat the same keyword in every paragraph." ], "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "kind": "technical-guide", "authority": "primary", "supports": "Slabjacking is used to level and align slabs-on-ground affected by settlement, erosion, flooding, or shrinkage of supporting soil or base.", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property.", "reviewedAt": "2026-07-24" }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "kind": "technical-guide", "authority": "primary", "supports": "Appropriate repair selection, hole layouts, settlement mode, grout-pressure monitoring, and verification are core parts of slabjacking practice.", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab.", "reviewedAt": "2026-07-24" }, { "id": "nrcs-web-soil-survey", "title": "Web Soil Survey", "publisher": "USDA Natural Resources Conservation Service", "url": "https://websoilsurvey.nrcs.usda.gov/", "kind": "government", "authority": "primary", "supports": "Official mapped soil information and interpretations can provide regional and property-area context.", "limitations": "Mapped soil data cannot reveal exact fill, compaction, leaks, utilities, erosion, or support beneath one slab.", "reviewedAt": "2026-07-24" }, { "id": "nws-houston-normals", "title": "Houston IAH climate normals and annual summaries", "publisher": "National Weather Service Houston/Galveston", "url": "https://www.weather.gov/hgx/climate_iah_normals_summary", "kind": "government", "authority": "primary", "supports": "Houston-area climate normals document substantial annual rainfall and seasonal temperature conditions relevant to regional drainage context.", "limitations": "IAH station normals are regional context, not Tomball parcel data or proof that weather caused one slab to move.", "reviewedAt": "2026-07-24" } ] }, { "key": "resource:concrete-leveling-estimate-tomball", "contentType": "resource", "reviewedAt": "2026-07-24", "reviewerRole": "Editorial research review", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "texas-ag-home-improvement", "ftc-home-improvement", "nrcs-web-soil-survey", "nws-houston-normals" ], "claims": [ { "claim": "A useful estimate identifies the affected slabs, target elevations, proposed material, port and patch finish, access, protection, cleanup, return-to-use instructions, exclusions, change-order rules, payment terms, and warranty. A price without that scope is difficult to compare.", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "texas-ag-home-improvement", "ftc-home-improvement", "nrcs-web-soil-survey", "nws-houston-normals" ], "scope": "General decision support only. The cited material does not diagnose subsurface conditions, select a contractor, or guarantee an outcome for one property.", "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property." }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab." }, { "id": "texas-ag-home-improvement", "title": "How to Avoid Home Improvement Scams", "publisher": "Office of the Attorney General of Texas", "url": "https://www.texasattorneygeneral.gov/consumer-protection/home-real-estate-and-travel/how-avoid-home-improvement-scams", "limitations": "General consumer guidance, not legal advice for one contract or a statement that concrete leveling is a state-licensed trade." }, { "id": "ftc-home-improvement", "title": "How to Avoid a Home Improvement Scam", "publisher": "Federal Trade Commission", "url": "https://consumer.ftc.gov/articles/how-avoid-home-improvement-scam", "limitations": "General federal consumer guidance. State and local contract requirements can add obligations." }, { "id": "nrcs-web-soil-survey", "title": "Web Soil Survey", "publisher": "USDA Natural Resources Conservation Service", "url": "https://websoilsurvey.nrcs.usda.gov/", "limitations": "Mapped soil data cannot reveal exact fill, compaction, leaks, utilities, erosion, or support beneath one slab." }, { "id": "nws-houston-normals", "title": "Houston IAH climate normals and annual summaries", "publisher": "National Weather Service Houston/Galveston", "url": "https://www.weather.gov/hgx/climate_iah_normals_summary", "limitations": "IAH station normals are regional context, not Tomball parcel data or proof that weather caused one slab to move." } ] }, { "claim": "Give every provider the same project information: Send wide photographs, close views of transitions and cracks, approximate dimensions, access notes, water observations, known leaks or utilities, and the intended use of the surface. Consistent intake makes proposals easier to compare.", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "texas-ag-home-improvement", "ftc-home-improvement", "nrcs-web-soil-survey", "nws-houston-normals" ], "scope": "This section summarizes general decision criteria within the cited sources' combined scope. It does not establish the condition, cause, compliance status, or repair fit of one property.", "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property." }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab." }, { "id": "texas-ag-home-improvement", "title": "How to Avoid Home Improvement Scams", "publisher": "Office of the Attorney General of Texas", "url": "https://www.texasattorneygeneral.gov/consumer-protection/home-real-estate-and-travel/how-avoid-home-improvement-scams", "limitations": "General consumer guidance, not legal advice for one contract or a statement that concrete leveling is a state-licensed trade." }, { "id": "ftc-home-improvement", "title": "How to Avoid a Home Improvement Scam", "publisher": "Federal Trade Commission", "url": "https://consumer.ftc.gov/articles/how-avoid-home-improvement-scam", "limitations": "General federal consumer guidance. State and local contract requirements can add obligations." }, { "id": "nrcs-web-soil-survey", "title": "Web Soil Survey", "publisher": "USDA Natural Resources Conservation Service", "url": "https://websoilsurvey.nrcs.usda.gov/", "limitations": "Mapped soil data cannot reveal exact fill, compaction, leaks, utilities, erosion, or support beneath one slab." }, { "id": "nws-houston-normals", "title": "Houston IAH climate normals and annual summaries", "publisher": "National Weather Service Houston/Galveston", "url": "https://www.weather.gov/hgx/climate_iah_normals_summary", "limitations": "IAH station normals are regional context, not Tomball parcel data or proof that weather caused one slab to move." } ] }, { "claim": "Compare scope line by line: Record the material, included slabs, expected elevation, drilling and patching, preparation, protection, cleanup, use restrictions, exclusions, optional work, and warranty. A lower total may simply omit work included elsewhere.", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "texas-ag-home-improvement", "ftc-home-improvement", "nrcs-web-soil-survey", "nws-houston-normals" ], "scope": "This section summarizes general decision criteria within the cited sources' combined scope. It does not establish the condition, cause, compliance status, or repair fit of one property.", "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property." }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab." }, { "id": "texas-ag-home-improvement", "title": "How to Avoid Home Improvement Scams", "publisher": "Office of the Attorney General of Texas", "url": "https://www.texasattorneygeneral.gov/consumer-protection/home-real-estate-and-travel/how-avoid-home-improvement-scams", "limitations": "General consumer guidance, not legal advice for one contract or a statement that concrete leveling is a state-licensed trade." }, { "id": "ftc-home-improvement", "title": "How to Avoid a Home Improvement Scam", "publisher": "Federal Trade Commission", "url": "https://consumer.ftc.gov/articles/how-avoid-home-improvement-scam", "limitations": "General federal consumer guidance. State and local contract requirements can add obligations." }, { "id": "nrcs-web-soil-survey", "title": "Web Soil Survey", "publisher": "USDA Natural Resources Conservation Service", "url": "https://websoilsurvey.nrcs.usda.gov/", "limitations": "Mapped soil data cannot reveal exact fill, compaction, leaks, utilities, erosion, or support beneath one slab." }, { "id": "nws-houston-normals", "title": "Houston IAH climate normals and annual summaries", "publisher": "National Weather Service Houston/Galveston", "url": "https://www.weather.gov/hgx/climate_iah_normals_summary", "limitations": "IAH station normals are regional context, not Tomball parcel data or proof that weather caused one slab to move." } ] }, { "claim": "Verify provider and outcome records: Confirm the legal business performing the work and request documentation appropriate to the project. Keep the signed scope, invoice, material information, photographs, measurements, use instructions, and warranty after completion.", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "texas-ag-home-improvement", "ftc-home-improvement", "nrcs-web-soil-survey", "nws-houston-normals" ], "scope": "This section summarizes general decision criteria within the cited sources' combined scope. It does not establish the condition, cause, compliance status, or repair fit of one property.", "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property." }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab." }, { "id": "texas-ag-home-improvement", "title": "How to Avoid Home Improvement Scams", "publisher": "Office of the Attorney General of Texas", "url": "https://www.texasattorneygeneral.gov/consumer-protection/home-real-estate-and-travel/how-avoid-home-improvement-scams", "limitations": "General consumer guidance, not legal advice for one contract or a statement that concrete leveling is a state-licensed trade." }, { "id": "ftc-home-improvement", "title": "How to Avoid a Home Improvement Scam", "publisher": "Federal Trade Commission", "url": "https://consumer.ftc.gov/articles/how-avoid-home-improvement-scam", "limitations": "General federal consumer guidance. State and local contract requirements can add obligations." }, { "id": "nrcs-web-soil-survey", "title": "Web Soil Survey", "publisher": "USDA Natural Resources Conservation Service", "url": "https://websoilsurvey.nrcs.usda.gov/", "limitations": "Mapped soil data cannot reveal exact fill, compaction, leaks, utilities, erosion, or support beneath one slab." }, { "id": "nws-houston-normals", "title": "Houston IAH climate normals and annual summaries", "publisher": "National Weather Service Houston/Galveston", "url": "https://www.weather.gov/hgx/climate_iah_normals_summary", "limitations": "IAH station normals are regional context, not Tomball parcel data or proof that weather caused one slab to move." } ] } ], "conversion": { "stage": "ready-to-request", "primaryAction": "Request a slab assessment", "requestDetails": [ "Affected panels, dimensions, access, and project timing", "Comparable written scopes rather than price alone", "Payment, change-order, return-to-use, and warranty terms" ], "reassurance": "No obligation. The request may be shared with one independent provider only after consent. Provider availability is not guaranteed." }, "editorialNotes": [ "The direct answer must remain concise enough to quote without removing the limitation that follows it.", "Natural-language variants guide coverage; they are not a license to repeat the same keyword in every paragraph." ], "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "kind": "technical-guide", "authority": "primary", "supports": "Slabjacking is used to level and align slabs-on-ground affected by settlement, erosion, flooding, or shrinkage of supporting soil or base.", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property.", "reviewedAt": "2026-07-24" }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "kind": "technical-guide", "authority": "primary", "supports": "Appropriate repair selection, hole layouts, settlement mode, grout-pressure monitoring, and verification are core parts of slabjacking practice.", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab.", "reviewedAt": "2026-07-24" }, { "id": "texas-ag-home-improvement", "title": "How to Avoid Home Improvement Scams", "publisher": "Office of the Attorney General of Texas", "url": "https://www.texasattorneygeneral.gov/consumer-protection/home-real-estate-and-travel/how-avoid-home-improvement-scams", "kind": "consumer-guidance", "authority": "primary", "supports": "Texas consumers are advised to obtain multiple detailed written bids, read contracts carefully, include promises in writing, keep records, and avoid full payment before satisfactory completion.", "limitations": "General consumer guidance, not legal advice for one contract or a statement that concrete leveling is a state-licensed trade.", "reviewedAt": "2026-07-24" }, { "id": "ftc-home-improvement", "title": "How to Avoid a Home Improvement Scam", "publisher": "Federal Trade Commission", "url": "https://consumer.ftc.gov/articles/how-avoid-home-improvement-scam", "kind": "consumer-guidance", "authority": "primary", "supports": "Consumers should compare estimates, verify business and insurance information, read written contracts, and avoid paying the full project amount up front.", "limitations": "General federal consumer guidance. State and local contract requirements can add obligations.", "reviewedAt": "2026-07-24" }, { "id": "nrcs-web-soil-survey", "title": "Web Soil Survey", "publisher": "USDA Natural Resources Conservation Service", "url": "https://websoilsurvey.nrcs.usda.gov/", "kind": "government", "authority": "primary", "supports": "Official mapped soil information and interpretations can provide regional and property-area context.", "limitations": "Mapped soil data cannot reveal exact fill, compaction, leaks, utilities, erosion, or support beneath one slab.", "reviewedAt": "2026-07-24" }, { "id": "nws-houston-normals", "title": "Houston IAH climate normals and annual summaries", "publisher": "National Weather Service Houston/Galveston", "url": "https://www.weather.gov/hgx/climate_iah_normals_summary", "kind": "government", "authority": "primary", "supports": "Houston-area climate normals document substantial annual rainfall and seasonal temperature conditions relevant to regional drainage context.", "limitations": "IAH station normals are regional context, not Tomball parcel data or proof that weather caused one slab to move.", "reviewedAt": "2026-07-24" } ] }, { "key": "resource:concrete-leveling-minimum-charge", "contentType": "resource", "reviewedAt": "2026-07-24", "reviewerRole": "Editorial research review", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "texas-ag-home-improvement", "ftc-home-improvement" ], "claims": [ { "claim": "A provider must mobilize equipment and labor, inspect, protect the site, drill and inject, monitor movement, patch ports, clean up, document the work, and support a warranty even when only one small panel is involved. Those fixed costs can create a project minimum.", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "texas-ag-home-improvement", "ftc-home-improvement" ], "scope": "General decision support only. The cited material does not diagnose subsurface conditions, select a contractor, or guarantee an outcome for one property.", "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property." }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab." }, { "id": "texas-ag-home-improvement", "title": "How to Avoid Home Improvement Scams", "publisher": "Office of the Attorney General of Texas", "url": "https://www.texasattorneygeneral.gov/consumer-protection/home-real-estate-and-travel/how-avoid-home-improvement-scams", "limitations": "General consumer guidance, not legal advice for one contract or a statement that concrete leveling is a state-licensed trade." }, { "id": "ftc-home-improvement", "title": "How to Avoid a Home Improvement Scam", "publisher": "Federal Trade Commission", "url": "https://consumer.ftc.gov/articles/how-avoid-home-improvement-scam", "limitations": "General federal consumer guidance. State and local contract requirements can add obligations." } ] }, { "claim": "Separate fixed and variable project costs: Fixed work can include dispatch, travel, crew, equipment, setup, site protection, drilling, cleanup, administration, and warranty. Variable work can include material volume, number of ports, lift height, access difficulty, and additional surfaces.", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "texas-ag-home-improvement", "ftc-home-improvement" ], "scope": "This section summarizes general decision criteria within the cited sources' combined scope. It does not establish the condition, cause, compliance status, or repair fit of one property.", "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property." }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab." }, { "id": "texas-ag-home-improvement", "title": "How to Avoid Home Improvement Scams", "publisher": "Office of the Attorney General of Texas", "url": "https://www.texasattorneygeneral.gov/consumer-protection/home-real-estate-and-travel/how-avoid-home-improvement-scams", "limitations": "General consumer guidance, not legal advice for one contract or a statement that concrete leveling is a state-licensed trade." }, { "id": "ftc-home-improvement", "title": "How to Avoid a Home Improvement Scam", "publisher": "Federal Trade Commission", "url": "https://consumer.ftc.gov/articles/how-avoid-home-improvement-scam", "limitations": "General federal consumer guidance. State and local contract requirements can add obligations." } ] }, { "claim": "Ask whether combining suitable work improves value: When a provider is already mobilized, additional suitable panels may cost less per panel than a separate future visit. Do not add unnecessary work, but ask whether other known trip edges or settled slabs should be evaluated at the same time.", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "texas-ag-home-improvement", "ftc-home-improvement" ], "scope": "This section summarizes general decision criteria within the cited sources' combined scope. It does not establish the condition, cause, compliance status, or repair fit of one property.", "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property." }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab." }, { "id": "texas-ag-home-improvement", "title": "How to Avoid Home Improvement Scams", "publisher": "Office of the Attorney General of Texas", "url": "https://www.texasattorneygeneral.gov/consumer-protection/home-real-estate-and-travel/how-avoid-home-improvement-scams", "limitations": "General consumer guidance, not legal advice for one contract or a statement that concrete leveling is a state-licensed trade." }, { "id": "ftc-home-improvement", "title": "How to Avoid a Home Improvement Scam", "publisher": "Federal Trade Commission", "url": "https://consumer.ftc.gov/articles/how-avoid-home-improvement-scam", "limitations": "General federal consumer guidance. State and local contract requirements can add obligations." } ] }, { "claim": "Compare the minimum with the actual scope: A minimum should not excuse a vague proposal. The estimate still needs to state included panels, material, target, finish, exclusions, instructions, and warranty. Ask whether the minimum is credited toward material or additional work.", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "texas-ag-home-improvement", "ftc-home-improvement" ], "scope": "This section summarizes general decision criteria within the cited sources' combined scope. It does not establish the condition, cause, compliance status, or repair fit of one property.", "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property." }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab." }, { "id": "texas-ag-home-improvement", "title": "How to Avoid Home Improvement Scams", "publisher": "Office of the Attorney General of Texas", "url": "https://www.texasattorneygeneral.gov/consumer-protection/home-real-estate-and-travel/how-avoid-home-improvement-scams", "limitations": "General consumer guidance, not legal advice for one contract or a statement that concrete leveling is a state-licensed trade." }, { "id": "ftc-home-improvement", "title": "How to Avoid a Home Improvement Scam", "publisher": "Federal Trade Commission", "url": "https://consumer.ftc.gov/articles/how-avoid-home-improvement-scam", "limitations": "General federal consumer guidance. State and local contract requirements can add obligations." } ] } ], "conversion": { "stage": "problem-aware", "primaryAction": "Request a slab assessment", "requestDetails": [ "Affected panels, dimensions, access, and project timing", "Comparable written scopes rather than price alone", "Payment, change-order, return-to-use, and warranty terms" ], "reassurance": "No obligation. The request may be shared with one independent provider only after consent. Provider availability is not guaranteed." }, "editorialNotes": [ "The direct answer must remain concise enough to quote without removing the limitation that follows it.", "Natural-language variants guide coverage; they are not a license to repeat the same keyword in every paragraph." ], "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "kind": "technical-guide", "authority": "primary", "supports": "Slabjacking is used to level and align slabs-on-ground affected by settlement, erosion, flooding, or shrinkage of supporting soil or base.", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property.", "reviewedAt": "2026-07-24" }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "kind": "technical-guide", "authority": "primary", "supports": "Appropriate repair selection, hole layouts, settlement mode, grout-pressure monitoring, and verification are core parts of slabjacking practice.", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab.", "reviewedAt": "2026-07-24" }, { "id": "texas-ag-home-improvement", "title": "How to Avoid Home Improvement Scams", "publisher": "Office of the Attorney General of Texas", "url": "https://www.texasattorneygeneral.gov/consumer-protection/home-real-estate-and-travel/how-avoid-home-improvement-scams", "kind": "consumer-guidance", "authority": "primary", "supports": "Texas consumers are advised to obtain multiple detailed written bids, read contracts carefully, include promises in writing, keep records, and avoid full payment before satisfactory completion.", "limitations": "General consumer guidance, not legal advice for one contract or a statement that concrete leveling is a state-licensed trade.", "reviewedAt": "2026-07-24" }, { "id": "ftc-home-improvement", "title": "How to Avoid a Home Improvement Scam", "publisher": "Federal Trade Commission", "url": "https://consumer.ftc.gov/articles/how-avoid-home-improvement-scam", "kind": "consumer-guidance", "authority": "primary", "supports": "Consumers should compare estimates, verify business and insurance information, read written contracts, and avoid paying the full project amount up front.", "limitations": "General federal consumer guidance. State and local contract requirements can add obligations.", "reviewedAt": "2026-07-24" } ] }, { "key": "resource:how-long-concrete-leveling-takes", "contentType": "resource", "reviewedAt": "2026-07-24", "reviewerRole": "Editorial research review", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "texas-ag-home-improvement", "ftc-home-improvement" ], "claims": [ { "claim": "Duration depends on the number and size of slabs, access, method, port layout, amount and complexity of movement, nearby structures or utilities, material behavior, patching, cleanup, and unexpected subsurface conditions. Ask for separate arrival, work, cure, and return-to-use windows.", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "texas-ag-home-improvement", "ftc-home-improvement" ], "scope": "General decision support only. The cited material does not diagnose subsurface conditions, select a contractor, or guarantee an outcome for one property.", "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property." }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab." }, { "id": "texas-ag-home-improvement", "title": "How to Avoid Home Improvement Scams", "publisher": "Office of the Attorney General of Texas", "url": "https://www.texasattorneygeneral.gov/consumer-protection/home-real-estate-and-travel/how-avoid-home-improvement-scams", "limitations": "General consumer guidance, not legal advice for one contract or a statement that concrete leveling is a state-licensed trade." }, { "id": "ftc-home-improvement", "title": "How to Avoid a Home Improvement Scam", "publisher": "Federal Trade Commission", "url": "https://consumer.ftc.gov/articles/how-avoid-home-improvement-scam", "limitations": "General federal consumer guidance. State and local contract requirements can add obligations." } ] }, { "claim": "Break the schedule into four windows: Request an arrival window, expected on-site work duration, product or patch cure instructions, and the time before normal foot or vehicle use. Those are different milestones and may vary by surface and material.", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "texas-ag-home-improvement", "ftc-home-improvement" ], "scope": "This section summarizes general decision criteria within the cited sources' combined scope. It does not establish the condition, cause, compliance status, or repair fit of one property.", "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property." }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab." }, { "id": "texas-ag-home-improvement", "title": "How to Avoid Home Improvement Scams", "publisher": "Office of the Attorney General of Texas", "url": "https://www.texasattorneygeneral.gov/consumer-protection/home-real-estate-and-travel/how-avoid-home-improvement-scams", "limitations": "General consumer guidance, not legal advice for one contract or a statement that concrete leveling is a state-licensed trade." }, { "id": "ftc-home-improvement", "title": "How to Avoid a Home Improvement Scam", "publisher": "Federal Trade Commission", "url": "https://consumer.ftc.gov/articles/how-avoid-home-improvement-scam", "limitations": "General federal consumer guidance. State and local contract requirements can add obligations." } ] }, { "claim": "Access and constraints can dominate the timeline: Long hose routes, fenced yards, pool areas, occupied businesses, tenant coordination, parked vehicles, utility locating, coated surfaces, or limited work hours can add more time than the slab size suggests.", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "texas-ag-home-improvement", "ftc-home-improvement" ], "scope": "This section summarizes general decision criteria within the cited sources' combined scope. It does not establish the condition, cause, compliance status, or repair fit of one property.", "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property." }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab." }, { "id": "texas-ag-home-improvement", "title": "How to Avoid Home Improvement Scams", "publisher": "Office of the Attorney General of Texas", "url": "https://www.texasattorneygeneral.gov/consumer-protection/home-real-estate-and-travel/how-avoid-home-improvement-scams", "limitations": "General consumer guidance, not legal advice for one contract or a statement that concrete leveling is a state-licensed trade." }, { "id": "ftc-home-improvement", "title": "How to Avoid a Home Improvement Scam", "publisher": "Federal Trade Commission", "url": "https://consumer.ftc.gov/articles/how-avoid-home-improvement-scam", "limitations": "General federal consumer guidance. State and local contract requirements can add obligations." } ] }, { "claim": "Do not reward a rushed target: Controlled lifting requires observation. A provider should be willing to stop when the slab, cracks, fixed structures, or connected surfaces respond unexpectedly. Speed is useful only after the plan protects the property.", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "texas-ag-home-improvement", "ftc-home-improvement" ], "scope": "This section summarizes general decision criteria within the cited sources' combined scope. It does not establish the condition, cause, compliance status, or repair fit of one property.", "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property." }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab." }, { "id": "texas-ag-home-improvement", "title": "How to Avoid Home Improvement Scams", "publisher": "Office of the Attorney General of Texas", "url": "https://www.texasattorneygeneral.gov/consumer-protection/home-real-estate-and-travel/how-avoid-home-improvement-scams", "limitations": "General consumer guidance, not legal advice for one contract or a statement that concrete leveling is a state-licensed trade." }, { "id": "ftc-home-improvement", "title": "How to Avoid a Home Improvement Scam", "publisher": "Federal Trade Commission", "url": "https://consumer.ftc.gov/articles/how-avoid-home-improvement-scam", "limitations": "General federal consumer guidance. State and local contract requirements can add obligations." } ] } ], "conversion": { "stage": "problem-aware", "primaryAction": "Request a slab assessment", "requestDetails": [ "Affected panels, dimensions, access, and project timing", "Comparable written scopes rather than price alone", "Payment, change-order, return-to-use, and warranty terms" ], "reassurance": "No obligation. The request may be shared with one independent provider only after consent. Provider availability is not guaranteed." }, "editorialNotes": [ "The direct answer must remain concise enough to quote without removing the limitation that follows it.", "Natural-language variants guide coverage; they are not a license to repeat the same keyword in every paragraph." ], "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "kind": "technical-guide", "authority": "primary", "supports": "Slabjacking is used to level and align slabs-on-ground affected by settlement, erosion, flooding, or shrinkage of supporting soil or base.", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property.", "reviewedAt": "2026-07-24" }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "kind": "technical-guide", "authority": "primary", "supports": "Appropriate repair selection, hole layouts, settlement mode, grout-pressure monitoring, and verification are core parts of slabjacking practice.", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab.", "reviewedAt": "2026-07-24" }, { "id": "texas-ag-home-improvement", "title": "How to Avoid Home Improvement Scams", "publisher": "Office of the Attorney General of Texas", "url": "https://www.texasattorneygeneral.gov/consumer-protection/home-real-estate-and-travel/how-avoid-home-improvement-scams", "kind": "consumer-guidance", "authority": "primary", "supports": "Texas consumers are advised to obtain multiple detailed written bids, read contracts carefully, include promises in writing, keep records, and avoid full payment before satisfactory completion.", "limitations": "General consumer guidance, not legal advice for one contract or a statement that concrete leveling is a state-licensed trade.", "reviewedAt": "2026-07-24" }, { "id": "ftc-home-improvement", "title": "How to Avoid a Home Improvement Scam", "publisher": "Federal Trade Commission", "url": "https://consumer.ftc.gov/articles/how-avoid-home-improvement-scam", "kind": "consumer-guidance", "authority": "primary", "supports": "Consumers should compare estimates, verify business and insurance information, read written contracts, and avoid paying the full project amount up front.", "limitations": "General federal consumer guidance. State and local contract requirements can add obligations.", "reviewedAt": "2026-07-24" } ] }, { "key": "resource:when-can-you-drive-on-lifted-concrete", "contentType": "resource", "reviewedAt": "2026-07-24", "reviewerRole": "Editorial research review", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "texas-ag-home-improvement", "ftc-home-improvement" ], "claims": [ { "claim": "Follow the provider’s written, product-specific instructions. The lifting material, patch material, temperature, moisture, slab condition, amount of movement, vehicle weight, and other repairs can all affect return-to-use timing. Do not rely on a generic internet number.", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "texas-ag-home-improvement", "ftc-home-improvement" ], "scope": "General decision support only. The cited material does not diagnose subsurface conditions, select a contractor, or guarantee an outcome for one property.", "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property." }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab." }, { "id": "texas-ag-home-improvement", "title": "How to Avoid Home Improvement Scams", "publisher": "Office of the Attorney General of Texas", "url": "https://www.texasattorneygeneral.gov/consumer-protection/home-real-estate-and-travel/how-avoid-home-improvement-scams", "limitations": "General consumer guidance, not legal advice for one contract or a statement that concrete leveling is a state-licensed trade." }, { "id": "ftc-home-improvement", "title": "How to Avoid a Home Improvement Scam", "publisher": "Federal Trade Commission", "url": "https://consumer.ftc.gov/articles/how-avoid-home-improvement-scam", "limitations": "General federal consumer guidance. State and local contract requirements can add obligations." } ] }, { "claim": "Ask for separate foot and vehicle guidance: A proposal should state when people may walk on the area, when passenger vehicles may return, whether heavy trucks or trailers require longer, and whether turning, braking, jacks, or concentrated loads have restrictions.", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "texas-ag-home-improvement", "ftc-home-improvement" ], "scope": "This section summarizes general decision criteria within the cited sources' combined scope. It does not establish the condition, cause, compliance status, or repair fit of one property.", "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property." }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab." }, { "id": "texas-ag-home-improvement", "title": "How to Avoid Home Improvement Scams", "publisher": "Office of the Attorney General of Texas", "url": "https://www.texasattorneygeneral.gov/consumer-protection/home-real-estate-and-travel/how-avoid-home-improvement-scams", "limitations": "General consumer guidance, not legal advice for one contract or a statement that concrete leveling is a state-licensed trade." }, { "id": "ftc-home-improvement", "title": "How to Avoid a Home Improvement Scam", "publisher": "Federal Trade Commission", "url": "https://consumer.ftc.gov/articles/how-avoid-home-improvement-scam", "limitations": "General federal consumer guidance. State and local contract requirements can add obligations." } ] }, { "claim": "Protect the transition during early use: Even after normal use is allowed, avoid unusual concentrated loads unless approved. Keep vehicles, dumpsters, trailers, lifts, or construction materials away from areas the provider excluded or flagged for monitoring.", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "texas-ag-home-improvement", "ftc-home-improvement" ], "scope": "This section summarizes general decision criteria within the cited sources' combined scope. It does not establish the condition, cause, compliance status, or repair fit of one property.", "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property." }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab." }, { "id": "texas-ag-home-improvement", "title": "How to Avoid Home Improvement Scams", "publisher": "Office of the Attorney General of Texas", "url": "https://www.texasattorneygeneral.gov/consumer-protection/home-real-estate-and-travel/how-avoid-home-improvement-scams", "limitations": "General consumer guidance, not legal advice for one contract or a statement that concrete leveling is a state-licensed trade." }, { "id": "ftc-home-improvement", "title": "How to Avoid a Home Improvement Scam", "publisher": "Federal Trade Commission", "url": "https://consumer.ftc.gov/articles/how-avoid-home-improvement-scam", "limitations": "General federal consumer guidance. State and local contract requirements can add obligations." } ] }, { "claim": "Keep the instruction with the project record: Save written use guidance, material identification, completion time, weather conditions, photographs, and the provider contact. That record helps with warranty questions and prevents household or staff confusion.", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "texas-ag-home-improvement", "ftc-home-improvement" ], "scope": "This section summarizes general decision criteria within the cited sources' combined scope. It does not establish the condition, cause, compliance status, or repair fit of one property.", "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property." }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab." }, { "id": "texas-ag-home-improvement", "title": "How to Avoid Home Improvement Scams", "publisher": "Office of the Attorney General of Texas", "url": "https://www.texasattorneygeneral.gov/consumer-protection/home-real-estate-and-travel/how-avoid-home-improvement-scams", "limitations": "General consumer guidance, not legal advice for one contract or a statement that concrete leveling is a state-licensed trade." }, { "id": "ftc-home-improvement", "title": "How to Avoid a Home Improvement Scam", "publisher": "Federal Trade Commission", "url": "https://consumer.ftc.gov/articles/how-avoid-home-improvement-scam", "limitations": "General federal consumer guidance. State and local contract requirements can add obligations." } ] } ], "conversion": { "stage": "problem-aware", "primaryAction": "Request a slab assessment", "requestDetails": [ "Affected panels, dimensions, access, and project timing", "Comparable written scopes rather than price alone", "Payment, change-order, return-to-use, and warranty terms" ], "reassurance": "No obligation. The request may be shared with one independent provider only after consent. Provider availability is not guaranteed." }, "editorialNotes": [ "The direct answer must remain concise enough to quote without removing the limitation that follows it.", "Natural-language variants guide coverage; they are not a license to repeat the same keyword in every paragraph." ], "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "kind": "technical-guide", "authority": "primary", "supports": "Slabjacking is used to level and align slabs-on-ground affected by settlement, erosion, flooding, or shrinkage of supporting soil or base.", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property.", "reviewedAt": "2026-07-24" }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "kind": "technical-guide", "authority": "primary", "supports": "Appropriate repair selection, hole layouts, settlement mode, grout-pressure monitoring, and verification are core parts of slabjacking practice.", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab.", "reviewedAt": "2026-07-24" }, { "id": "texas-ag-home-improvement", "title": "How to Avoid Home Improvement Scams", "publisher": "Office of the Attorney General of Texas", "url": "https://www.texasattorneygeneral.gov/consumer-protection/home-real-estate-and-travel/how-avoid-home-improvement-scams", "kind": "consumer-guidance", "authority": "primary", "supports": "Texas consumers are advised to obtain multiple detailed written bids, read contracts carefully, include promises in writing, keep records, and avoid full payment before satisfactory completion.", "limitations": "General consumer guidance, not legal advice for one contract or a statement that concrete leveling is a state-licensed trade.", "reviewedAt": "2026-07-24" }, { "id": "ftc-home-improvement", "title": "How to Avoid a Home Improvement Scam", "publisher": "Federal Trade Commission", "url": "https://consumer.ftc.gov/articles/how-avoid-home-improvement-scam", "kind": "consumer-guidance", "authority": "primary", "supports": "Consumers should compare estimates, verify business and insurance information, read written contracts, and avoid paying the full project amount up front.", "limitations": "General federal consumer guidance. State and local contract requirements can add obligations.", "reviewedAt": "2026-07-24" } ] }, { "key": "resource:concrete-leveling-warranty-questions", "contentType": "resource", "reviewedAt": "2026-07-24", "reviewerRole": "Editorial research review", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "texas-ag-home-improvement", "ftc-home-improvement" ], "claims": [ { "claim": "A useful warranty identifies the legal provider, covered slabs, covered condition, measurement threshold, duration, exclusions, owner maintenance duties, transferability, claim process, inspection rights, and remedy. A long duration means little when the covered event and remedy are vague.", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "texas-ag-home-improvement", "ftc-home-improvement" ], "scope": "General decision support only. The cited material does not diagnose subsurface conditions, select a contractor, or guarantee an outcome for one property.", "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property." }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab." }, { "id": "texas-ag-home-improvement", "title": "How to Avoid Home Improvement Scams", "publisher": "Office of the Attorney General of Texas", "url": "https://www.texasattorneygeneral.gov/consumer-protection/home-real-estate-and-travel/how-avoid-home-improvement-scams", "limitations": "General consumer guidance, not legal advice for one contract or a statement that concrete leveling is a state-licensed trade." }, { "id": "ftc-home-improvement", "title": "How to Avoid a Home Improvement Scam", "publisher": "Federal Trade Commission", "url": "https://consumer.ftc.gov/articles/how-avoid-home-improvement-scam", "limitations": "General federal consumer guidance. State and local contract requirements can add obligations." } ] }, { "claim": "Define the covered condition and measurement: Ask whether the warranty covers renewed settlement, material failure, loss of support, elevation change beyond a stated threshold, or only workmanship. Confirm how movement is measured and which reference points will be used.", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "texas-ag-home-improvement", "ftc-home-improvement" ], "scope": "This section summarizes general decision criteria within the cited sources' combined scope. It does not establish the condition, cause, compliance status, or repair fit of one property.", "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property." }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab." }, { "id": "texas-ag-home-improvement", "title": "How to Avoid Home Improvement Scams", "publisher": "Office of the Attorney General of Texas", "url": "https://www.texasattorneygeneral.gov/consumer-protection/home-real-estate-and-travel/how-avoid-home-improvement-scams", "limitations": "General consumer guidance, not legal advice for one contract or a statement that concrete leveling is a state-licensed trade." }, { "id": "ftc-home-improvement", "title": "How to Avoid a Home Improvement Scam", "publisher": "Federal Trade Commission", "url": "https://consumer.ftc.gov/articles/how-avoid-home-improvement-scam", "limitations": "General federal consumer guidance. State and local contract requirements can add obligations." } ] }, { "claim": "Understand the remedy: A warranty can offer reinspection, additional injection, limited releveling, credit, refund, or another remedy. Ask who decides, whether labor and material are included, and what happens when the slab cannot safely be moved again.", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "texas-ag-home-improvement", "ftc-home-improvement" ], "scope": "This section summarizes general decision criteria within the cited sources' combined scope. It does not establish the condition, cause, compliance status, or repair fit of one property.", "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property." }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab." }, { "id": "texas-ag-home-improvement", "title": "How to Avoid Home Improvement Scams", "publisher": "Office of the Attorney General of Texas", "url": "https://www.texasattorneygeneral.gov/consumer-protection/home-real-estate-and-travel/how-avoid-home-improvement-scams", "limitations": "General consumer guidance, not legal advice for one contract or a statement that concrete leveling is a state-licensed trade." }, { "id": "ftc-home-improvement", "title": "How to Avoid a Home Improvement Scam", "publisher": "Federal Trade Commission", "url": "https://consumer.ftc.gov/articles/how-avoid-home-improvement-scam", "limitations": "General federal consumer guidance. State and local contract requirements can add obligations." } ] }, { "claim": "Verify who will still exist to honor it: The contract should identify the legal business, contact information, and transfer terms. Keep payment records, photographs, measurements, material information, and maintenance documentation. Warranty value depends on both language and the provider behind it.", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "texas-ag-home-improvement", "ftc-home-improvement" ], "scope": "This section summarizes general decision criteria within the cited sources' combined scope. It does not establish the condition, cause, compliance status, or repair fit of one property.", "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property." }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab." }, { "id": "texas-ag-home-improvement", "title": "How to Avoid Home Improvement Scams", "publisher": "Office of the Attorney General of Texas", "url": "https://www.texasattorneygeneral.gov/consumer-protection/home-real-estate-and-travel/how-avoid-home-improvement-scams", "limitations": "General consumer guidance, not legal advice for one contract or a statement that concrete leveling is a state-licensed trade." }, { "id": "ftc-home-improvement", "title": "How to Avoid a Home Improvement Scam", "publisher": "Federal Trade Commission", "url": "https://consumer.ftc.gov/articles/how-avoid-home-improvement-scam", "limitations": "General federal consumer guidance. State and local contract requirements can add obligations." } ] } ], "conversion": { "stage": "method-aware", "primaryAction": "Request a slab assessment", "requestDetails": [ "Affected panels, dimensions, access, and project timing", "Comparable written scopes rather than price alone", "Payment, change-order, return-to-use, and warranty terms" ], "reassurance": "No obligation. The request may be shared with one independent provider only after consent. Provider availability is not guaranteed." }, "editorialNotes": [ "The direct answer must remain concise enough to quote without removing the limitation that follows it.", "Natural-language variants guide coverage; they are not a license to repeat the same keyword in every paragraph." ], "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "kind": "technical-guide", "authority": "primary", "supports": "Slabjacking is used to level and align slabs-on-ground affected by settlement, erosion, flooding, or shrinkage of supporting soil or base.", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property.", "reviewedAt": "2026-07-24" }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "kind": "technical-guide", "authority": "primary", "supports": "Appropriate repair selection, hole layouts, settlement mode, grout-pressure monitoring, and verification are core parts of slabjacking practice.", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab.", "reviewedAt": "2026-07-24" }, { "id": "texas-ag-home-improvement", "title": "How to Avoid Home Improvement Scams", "publisher": "Office of the Attorney General of Texas", "url": "https://www.texasattorneygeneral.gov/consumer-protection/home-real-estate-and-travel/how-avoid-home-improvement-scams", "kind": "consumer-guidance", "authority": "primary", "supports": "Texas consumers are advised to obtain multiple detailed written bids, read contracts carefully, include promises in writing, keep records, and avoid full payment before satisfactory completion.", "limitations": "General consumer guidance, not legal advice for one contract or a statement that concrete leveling is a state-licensed trade.", "reviewedAt": "2026-07-24" }, { "id": "ftc-home-improvement", "title": "How to Avoid a Home Improvement Scam", "publisher": "Federal Trade Commission", "url": "https://consumer.ftc.gov/articles/how-avoid-home-improvement-scam", "kind": "consumer-guidance", "authority": "primary", "supports": "Consumers should compare estimates, verify business and insurance information, read written contracts, and avoid paying the full project amount up front.", "limitations": "General federal consumer guidance. State and local contract requirements can add obligations.", "reviewedAt": "2026-07-24" } ] }, { "key": "resource:commercial-concrete-leveling-tomball", "contentType": "resource", "reviewedAt": "2026-07-24", "reviewerRole": "Editorial research review", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "ada-level-changes", "osha-walking-surfaces", "texas-ag-home-improvement", "ftc-home-improvement", "nrcs-web-soil-survey", "nws-houston-normals", "fhwa-impulse-response" ], "claims": [ { "claim": "A commercial scope should identify affected slabs, ownership and access, pedestrian or vehicle use, operating-hour constraints, utilities, drainage, target elevations, method, protection, traffic control, documentation, return-to-use timing, exclusions, and warranty.", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "ada-level-changes", "osha-walking-surfaces", "texas-ag-home-improvement", "ftc-home-improvement", "nrcs-web-soil-survey", "nws-houston-normals", "fhwa-impulse-response" ], "scope": "General decision support only. The cited material does not diagnose subsurface conditions, select a contractor, or guarantee an outcome for one property.", "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property." }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab." }, { "id": "ada-level-changes", "title": "2010 ADA Standards for Accessible Design, Section 303", "publisher": "U.S. Department of Justice", "url": "https://www.ada.gov/law-and-regs/design-standards/2010-stds/", "limitations": "Applicability depends on facility, route, alteration, and law. This site does not provide legal or accessibility certification." }, { "id": "osha-walking-surfaces", "title": "29 CFR 1910.22: General requirements for walking-working surfaces", "publisher": "Occupational Safety and Health Administration", "url": "https://www.osha.gov/laws-regs/regulations/standardnumber/1910/1910.22", "limitations": "Workplace rule, not a universal residential standard or a substitute for project-specific safety and legal review." }, { "id": "texas-ag-home-improvement", "title": "How to Avoid Home Improvement Scams", "publisher": "Office of the Attorney General of Texas", "url": "https://www.texasattorneygeneral.gov/consumer-protection/home-real-estate-and-travel/how-avoid-home-improvement-scams", "limitations": "General consumer guidance, not legal advice for one contract or a statement that concrete leveling is a state-licensed trade." }, { "id": "ftc-home-improvement", "title": "How to Avoid a Home Improvement Scam", "publisher": "Federal Trade Commission", "url": "https://consumer.ftc.gov/articles/how-avoid-home-improvement-scam", "limitations": "General federal consumer guidance. State and local contract requirements can add obligations." }, { "id": "nrcs-web-soil-survey", "title": "Web Soil Survey", "publisher": "USDA Natural Resources Conservation Service", "url": "https://websoilsurvey.nrcs.usda.gov/", "limitations": "Mapped soil data cannot reveal exact fill, compaction, leaks, utilities, erosion, or support beneath one slab." }, { "id": "nws-houston-normals", "title": "Houston IAH climate normals and annual summaries", "publisher": "National Weather Service Houston/Galveston", "url": "https://www.weather.gov/hgx/climate_iah_normals_summary", "limitations": "IAH station normals are regional context, not Tomball parcel data or proof that weather caused one slab to move." }, { "id": "fhwa-impulse-response", "title": "Pavements: Impulse Response", "publisher": "Federal Highway Administration", "url": "https://infotechnology.fhwa.dot.gov/impulse-response/", "limitations": "Transportation nondestructive-evaluation guidance. Testing method and interpretation must fit the project." } ] }, { "claim": "Build a location-based repair schedule: Number each affected location and attach photographs, measurements, surface type, use, priority, and access notes. A shared schedule prevents the proposal, work order, invoice, and closeout record from describing different slabs.", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "ada-level-changes", "osha-walking-surfaces", "texas-ag-home-improvement", "ftc-home-improvement", "nrcs-web-soil-survey", "nws-houston-normals", "fhwa-impulse-response" ], "scope": "This section summarizes general decision criteria within the cited sources' combined scope. It does not establish the condition, cause, compliance status, or repair fit of one property.", "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property." }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab." }, { "id": "ada-level-changes", "title": "2010 ADA Standards for Accessible Design, Section 303", "publisher": "U.S. Department of Justice", "url": "https://www.ada.gov/law-and-regs/design-standards/2010-stds/", "limitations": "Applicability depends on facility, route, alteration, and law. This site does not provide legal or accessibility certification." }, { "id": "osha-walking-surfaces", "title": "29 CFR 1910.22: General requirements for walking-working surfaces", "publisher": "Occupational Safety and Health Administration", "url": "https://www.osha.gov/laws-regs/regulations/standardnumber/1910/1910.22", "limitations": "Workplace rule, not a universal residential standard or a substitute for project-specific safety and legal review." }, { "id": "texas-ag-home-improvement", "title": "How to Avoid Home Improvement Scams", "publisher": "Office of the Attorney General of Texas", "url": "https://www.texasattorneygeneral.gov/consumer-protection/home-real-estate-and-travel/how-avoid-home-improvement-scams", "limitations": "General consumer guidance, not legal advice for one contract or a statement that concrete leveling is a state-licensed trade." }, { "id": "ftc-home-improvement", "title": "How to Avoid a Home Improvement Scam", "publisher": "Federal Trade Commission", "url": "https://consumer.ftc.gov/articles/how-avoid-home-improvement-scam", "limitations": "General federal consumer guidance. State and local contract requirements can add obligations." }, { "id": "nrcs-web-soil-survey", "title": "Web Soil Survey", "publisher": "USDA Natural Resources Conservation Service", "url": "https://websoilsurvey.nrcs.usda.gov/", "limitations": "Mapped soil data cannot reveal exact fill, compaction, leaks, utilities, erosion, or support beneath one slab." }, { "id": "nws-houston-normals", "title": "Houston IAH climate normals and annual summaries", "publisher": "National Weather Service Houston/Galveston", "url": "https://www.weather.gov/hgx/climate_iah_normals_summary", "limitations": "IAH station normals are regional context, not Tomball parcel data or proof that weather caused one slab to move." }, { "id": "fhwa-impulse-response", "title": "Pavements: Impulse Response", "publisher": "Federal Highway Administration", "url": "https://infotechnology.fhwa.dot.gov/impulse-response/", "limitations": "Transportation nondestructive-evaluation guidance. Testing method and interpretation must fit the project." } ] }, { "claim": "Coordinate safety, access, and business continuity: Define barricades, alternate routes, work hours, noise, dust, equipment staging, tenant notice, vehicle relocation, deliveries, cleanup, and release for use. A technically sound lift can still fail operationally when people cannot enter the property or the repaired area reopens without clear approval.", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "ada-level-changes", "osha-walking-surfaces", "texas-ag-home-improvement", "ftc-home-improvement", "nrcs-web-soil-survey", "nws-houston-normals", "fhwa-impulse-response" ], "scope": "This section summarizes general decision criteria within the cited sources' combined scope. It does not establish the condition, cause, compliance status, or repair fit of one property.", "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property." }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab." }, { "id": "ada-level-changes", "title": "2010 ADA Standards for Accessible Design, Section 303", "publisher": "U.S. Department of Justice", "url": "https://www.ada.gov/law-and-regs/design-standards/2010-stds/", "limitations": "Applicability depends on facility, route, alteration, and law. This site does not provide legal or accessibility certification." }, { "id": "osha-walking-surfaces", "title": "29 CFR 1910.22: General requirements for walking-working surfaces", "publisher": "Occupational Safety and Health Administration", "url": "https://www.osha.gov/laws-regs/regulations/standardnumber/1910/1910.22", "limitations": "Workplace rule, not a universal residential standard or a substitute for project-specific safety and legal review." }, { "id": "texas-ag-home-improvement", "title": "How to Avoid Home Improvement Scams", "publisher": "Office of the Attorney General of Texas", "url": "https://www.texasattorneygeneral.gov/consumer-protection/home-real-estate-and-travel/how-avoid-home-improvement-scams", "limitations": "General consumer guidance, not legal advice for one contract or a statement that concrete leveling is a state-licensed trade." }, { "id": "ftc-home-improvement", "title": "How to Avoid a Home Improvement Scam", "publisher": "Federal Trade Commission", "url": "https://consumer.ftc.gov/articles/how-avoid-home-improvement-scam", "limitations": "General federal consumer guidance. State and local contract requirements can add obligations." }, { "id": "nrcs-web-soil-survey", "title": "Web Soil Survey", "publisher": "USDA Natural Resources Conservation Service", "url": "https://websoilsurvey.nrcs.usda.gov/", "limitations": "Mapped soil data cannot reveal exact fill, compaction, leaks, utilities, erosion, or support beneath one slab." }, { "id": "nws-houston-normals", "title": "Houston IAH climate normals and annual summaries", "publisher": "National Weather Service Houston/Galveston", "url": "https://www.weather.gov/hgx/climate_iah_normals_summary", "limitations": "IAH station normals are regional context, not Tomball parcel data or proof that weather caused one slab to move." }, { "id": "fhwa-impulse-response", "title": "Pavements: Impulse Response", "publisher": "Federal Highway Administration", "url": "https://infotechnology.fhwa.dot.gov/impulse-response/", "limitations": "Transportation nondestructive-evaluation guidance. Testing method and interpretation must fit the project." } ] }, { "claim": "Require closeout documentation: Closeout should identify completed locations, material, port finish, measurements when available, photographs, remaining conditions, use instructions, invoice, and warranty. Feed that record back into the property maintenance system.", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "ada-level-changes", "osha-walking-surfaces", "texas-ag-home-improvement", "ftc-home-improvement", "nrcs-web-soil-survey", "nws-houston-normals", "fhwa-impulse-response" ], "scope": "This section summarizes general decision criteria within the cited sources' combined scope. It does not establish the condition, cause, compliance status, or repair fit of one property.", "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property." }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab." }, { "id": "ada-level-changes", "title": "2010 ADA Standards for Accessible Design, Section 303", "publisher": "U.S. Department of Justice", "url": "https://www.ada.gov/law-and-regs/design-standards/2010-stds/", "limitations": "Applicability depends on facility, route, alteration, and law. This site does not provide legal or accessibility certification." }, { "id": "osha-walking-surfaces", "title": "29 CFR 1910.22: General requirements for walking-working surfaces", "publisher": "Occupational Safety and Health Administration", "url": "https://www.osha.gov/laws-regs/regulations/standardnumber/1910/1910.22", "limitations": "Workplace rule, not a universal residential standard or a substitute for project-specific safety and legal review." }, { "id": "texas-ag-home-improvement", "title": "How to Avoid Home Improvement Scams", "publisher": "Office of the Attorney General of Texas", "url": "https://www.texasattorneygeneral.gov/consumer-protection/home-real-estate-and-travel/how-avoid-home-improvement-scams", "limitations": "General consumer guidance, not legal advice for one contract or a statement that concrete leveling is a state-licensed trade." }, { "id": "ftc-home-improvement", "title": "How to Avoid a Home Improvement Scam", "publisher": "Federal Trade Commission", "url": "https://consumer.ftc.gov/articles/how-avoid-home-improvement-scam", "limitations": "General federal consumer guidance. State and local contract requirements can add obligations." }, { "id": "nrcs-web-soil-survey", "title": "Web Soil Survey", "publisher": "USDA Natural Resources Conservation Service", "url": "https://websoilsurvey.nrcs.usda.gov/", "limitations": "Mapped soil data cannot reveal exact fill, compaction, leaks, utilities, erosion, or support beneath one slab." }, { "id": "nws-houston-normals", "title": "Houston IAH climate normals and annual summaries", "publisher": "National Weather Service Houston/Galveston", "url": "https://www.weather.gov/hgx/climate_iah_normals_summary", "limitations": "IAH station normals are regional context, not Tomball parcel data or proof that weather caused one slab to move." }, { "id": "fhwa-impulse-response", "title": "Pavements: Impulse Response", "publisher": "Federal Highway Administration", "url": "https://infotechnology.fhwa.dot.gov/impulse-response/", "limitations": "Transportation nondestructive-evaluation guidance. Testing method and interpretation must fit the project." } ] } ], "conversion": { "stage": "ready-to-request", "primaryAction": "Request a slab assessment", "requestDetails": [ "Location IDs, photos, measurements, and route use", "Operating hours, access, traffic, loads, and temporary controls", "Approval authority, closeout records, and acceptance requirements" ], "reassurance": "No obligation. The request may be shared with one independent provider only after consent. Provider availability is not guaranteed." }, "editorialNotes": [ "The direct answer must remain concise enough to quote without removing the limitation that follows it.", "Natural-language variants guide coverage; they are not a license to repeat the same keyword in every paragraph." ], "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "kind": "technical-guide", "authority": "primary", "supports": "Slabjacking is used to level and align slabs-on-ground affected by settlement, erosion, flooding, or shrinkage of supporting soil or base.", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property.", "reviewedAt": "2026-07-24" }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "kind": "technical-guide", "authority": "primary", "supports": "Appropriate repair selection, hole layouts, settlement mode, grout-pressure monitoring, and verification are core parts of slabjacking practice.", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab.", "reviewedAt": "2026-07-24" }, { "id": "ada-level-changes", "title": "2010 ADA Standards for Accessible Design, Section 303", "publisher": "U.S. Department of Justice", "url": "https://www.ada.gov/law-and-regs/design-standards/2010-stds/", "kind": "standard", "authority": "primary", "supports": "For covered facilities, Section 303 limits vertical and beveled changes in level and requires larger changes to comply with ramp or curb-ramp provisions.", "limitations": "Applicability depends on facility, route, alteration, and law. This site does not provide legal or accessibility certification.", "reviewedAt": "2026-07-24" }, { "id": "osha-walking-surfaces", "title": "29 CFR 1910.22: General requirements for walking-working surfaces", "publisher": "Occupational Safety and Health Administration", "url": "https://www.osha.gov/laws-regs/regulations/standardnumber/1910/1910.22", "kind": "standard", "authority": "primary", "supports": "General-industry employers must maintain walking-working surfaces, inspect them, correct hazards, and ensure they support intended loads.", "limitations": "Workplace rule, not a universal residential standard or a substitute for project-specific safety and legal review.", "reviewedAt": "2026-07-24" }, { "id": "texas-ag-home-improvement", "title": "How to Avoid Home Improvement Scams", "publisher": "Office of the Attorney General of Texas", "url": "https://www.texasattorneygeneral.gov/consumer-protection/home-real-estate-and-travel/how-avoid-home-improvement-scams", "kind": "consumer-guidance", "authority": "primary", "supports": "Texas consumers are advised to obtain multiple detailed written bids, read contracts carefully, include promises in writing, keep records, and avoid full payment before satisfactory completion.", "limitations": "General consumer guidance, not legal advice for one contract or a statement that concrete leveling is a state-licensed trade.", "reviewedAt": "2026-07-24" }, { "id": "ftc-home-improvement", "title": "How to Avoid a Home Improvement Scam", "publisher": "Federal Trade Commission", "url": "https://consumer.ftc.gov/articles/how-avoid-home-improvement-scam", "kind": "consumer-guidance", "authority": "primary", "supports": "Consumers should compare estimates, verify business and insurance information, read written contracts, and avoid paying the full project amount up front.", "limitations": "General federal consumer guidance. State and local contract requirements can add obligations.", "reviewedAt": "2026-07-24" }, { "id": "nrcs-web-soil-survey", "title": "Web Soil Survey", "publisher": "USDA Natural Resources Conservation Service", "url": "https://websoilsurvey.nrcs.usda.gov/", "kind": "government", "authority": "primary", "supports": "Official mapped soil information and interpretations can provide regional and property-area context.", "limitations": "Mapped soil data cannot reveal exact fill, compaction, leaks, utilities, erosion, or support beneath one slab.", "reviewedAt": "2026-07-24" }, { "id": "nws-houston-normals", "title": "Houston IAH climate normals and annual summaries", "publisher": "National Weather Service Houston/Galveston", "url": "https://www.weather.gov/hgx/climate_iah_normals_summary", "kind": "government", "authority": "primary", "supports": "Houston-area climate normals document substantial annual rainfall and seasonal temperature conditions relevant to regional drainage context.", "limitations": "IAH station normals are regional context, not Tomball parcel data or proof that weather caused one slab to move.", "reviewedAt": "2026-07-24" }, { "id": "fhwa-impulse-response", "title": "Pavements: Impulse Response", "publisher": "Federal Highway Administration", "url": "https://infotechnology.fhwa.dot.gov/impulse-response/", "kind": "government", "authority": "primary", "supports": "Nondestructive methods can help investigate voids below concrete slabs; visual observation or sounding alone cannot fully characterize subsurface conditions.", "limitations": "Transportation nondestructive-evaluation guidance. Testing method and interpretation must fit the project.", "reviewedAt": "2026-07-24" } ] }, { "key": "resource:apartment-walkway-trip-hazards", "contentType": "resource", "reviewedAt": "2026-07-24", "reviewerRole": "Editorial research review", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "ada-level-changes", "osha-walking-surfaces", "texas-ag-home-improvement", "ftc-home-improvement" ], "claims": [ { "claim": "Use a repeatable inspection and repair log: location ID, photographs, measurements, resident route, urgency, cause clues, method, provider, access plan, completion record, and follow-up date. Lifting, grinding, replacement, or combined work should follow the condition at each panel.", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "ada-level-changes", "osha-walking-surfaces", "texas-ag-home-improvement", "ftc-home-improvement" ], "scope": "General decision support only. The cited material does not diagnose subsurface conditions, select a contractor, or guarantee an outcome for one property.", "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property." }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab." }, { "id": "ada-level-changes", "title": "2010 ADA Standards for Accessible Design, Section 303", "publisher": "U.S. Department of Justice", "url": "https://www.ada.gov/law-and-regs/design-standards/2010-stds/", "limitations": "Applicability depends on facility, route, alteration, and law. This site does not provide legal or accessibility certification." }, { "id": "osha-walking-surfaces", "title": "29 CFR 1910.22: General requirements for walking-working surfaces", "publisher": "Occupational Safety and Health Administration", "url": "https://www.osha.gov/laws-regs/regulations/standardnumber/1910/1910.22", "limitations": "Workplace rule, not a universal residential standard or a substitute for project-specific safety and legal review." }, { "id": "texas-ag-home-improvement", "title": "How to Avoid Home Improvement Scams", "publisher": "Office of the Attorney General of Texas", "url": "https://www.texasattorneygeneral.gov/consumer-protection/home-real-estate-and-travel/how-avoid-home-improvement-scams", "limitations": "General consumer guidance, not legal advice for one contract or a statement that concrete leveling is a state-licensed trade." }, { "id": "ftc-home-improvement", "title": "How to Avoid a Home Improvement Scam", "publisher": "Federal Trade Commission", "url": "https://consumer.ftc.gov/articles/how-avoid-home-improvement-scam", "limitations": "General federal consumer guidance. State and local contract requirements can add obligations." } ] }, { "claim": "Inspect by route, not isolated slab: Review paths from parking and transit stops to units, leasing, mail, trash, amenities, pools, laundry, and emergency exits. Correcting one joint should not create another bad transition at the next panel, ramp, stair, threshold, or gate.", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "ada-level-changes", "osha-walking-surfaces", "texas-ag-home-improvement", "ftc-home-improvement" ], "scope": "This section summarizes general decision criteria within the cited sources' combined scope. It does not establish the condition, cause, compliance status, or repair fit of one property.", "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property." }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab." }, { "id": "ada-level-changes", "title": "2010 ADA Standards for Accessible Design, Section 303", "publisher": "U.S. Department of Justice", "url": "https://www.ada.gov/law-and-regs/design-standards/2010-stds/", "limitations": "Applicability depends on facility, route, alteration, and law. This site does not provide legal or accessibility certification." }, { "id": "osha-walking-surfaces", "title": "29 CFR 1910.22: General requirements for walking-working surfaces", "publisher": "Occupational Safety and Health Administration", "url": "https://www.osha.gov/laws-regs/regulations/standardnumber/1910/1910.22", "limitations": "Workplace rule, not a universal residential standard or a substitute for project-specific safety and legal review." }, { "id": "texas-ag-home-improvement", "title": "How to Avoid Home Improvement Scams", "publisher": "Office of the Attorney General of Texas", "url": "https://www.texasattorneygeneral.gov/consumer-protection/home-real-estate-and-travel/how-avoid-home-improvement-scams", "limitations": "General consumer guidance, not legal advice for one contract or a statement that concrete leveling is a state-licensed trade." }, { "id": "ftc-home-improvement", "title": "How to Avoid a Home Improvement Scam", "publisher": "Federal Trade Commission", "url": "https://consumer.ftc.gov/articles/how-avoid-home-improvement-scam", "limitations": "General federal consumer guidance. State and local contract requirements can add obligations." } ] }, { "claim": "Plan resident communication and access: Define notices, barricades, alternate paths, pets, gates, parking, deliveries, and the time the route will reopen. Work near occupied homes requires a communication plan, not only a crew arrival window.", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "ada-level-changes", "osha-walking-surfaces", "texas-ag-home-improvement", "ftc-home-improvement" ], "scope": "This section summarizes general decision criteria within the cited sources' combined scope. It does not establish the condition, cause, compliance status, or repair fit of one property.", "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property." }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab." }, { "id": "ada-level-changes", "title": "2010 ADA Standards for Accessible Design, Section 303", "publisher": "U.S. Department of Justice", "url": "https://www.ada.gov/law-and-regs/design-standards/2010-stds/", "limitations": "Applicability depends on facility, route, alteration, and law. This site does not provide legal or accessibility certification." }, { "id": "osha-walking-surfaces", "title": "29 CFR 1910.22: General requirements for walking-working surfaces", "publisher": "Occupational Safety and Health Administration", "url": "https://www.osha.gov/laws-regs/regulations/standardnumber/1910/1910.22", "limitations": "Workplace rule, not a universal residential standard or a substitute for project-specific safety and legal review." }, { "id": "texas-ag-home-improvement", "title": "How to Avoid Home Improvement Scams", "publisher": "Office of the Attorney General of Texas", "url": "https://www.texasattorneygeneral.gov/consumer-protection/home-real-estate-and-travel/how-avoid-home-improvement-scams", "limitations": "General consumer guidance, not legal advice for one contract or a statement that concrete leveling is a state-licensed trade." }, { "id": "ftc-home-improvement", "title": "How to Avoid a Home Improvement Scam", "publisher": "Federal Trade Commission", "url": "https://consumer.ftc.gov/articles/how-avoid-home-improvement-scam", "limitations": "General federal consumer guidance. State and local contract requirements can add obligations." } ] }, { "claim": "Close the loop in the property system: Record the selected method, completed date, provider, photographs, measurements, remaining issues, use instructions, warranty, and next inspection. Link repeated movement to drainage, irrigation, trees, utility trenches, or other recurring conditions.", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "ada-level-changes", "osha-walking-surfaces", "texas-ag-home-improvement", "ftc-home-improvement" ], "scope": "This section summarizes general decision criteria within the cited sources' combined scope. It does not establish the condition, cause, compliance status, or repair fit of one property.", "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property." }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab." }, { "id": "ada-level-changes", "title": "2010 ADA Standards for Accessible Design, Section 303", "publisher": "U.S. Department of Justice", "url": "https://www.ada.gov/law-and-regs/design-standards/2010-stds/", "limitations": "Applicability depends on facility, route, alteration, and law. This site does not provide legal or accessibility certification." }, { "id": "osha-walking-surfaces", "title": "29 CFR 1910.22: General requirements for walking-working surfaces", "publisher": "Occupational Safety and Health Administration", "url": "https://www.osha.gov/laws-regs/regulations/standardnumber/1910/1910.22", "limitations": "Workplace rule, not a universal residential standard or a substitute for project-specific safety and legal review." }, { "id": "texas-ag-home-improvement", "title": "How to Avoid Home Improvement Scams", "publisher": "Office of the Attorney General of Texas", "url": "https://www.texasattorneygeneral.gov/consumer-protection/home-real-estate-and-travel/how-avoid-home-improvement-scams", "limitations": "General consumer guidance, not legal advice for one contract or a statement that concrete leveling is a state-licensed trade." }, { "id": "ftc-home-improvement", "title": "How to Avoid a Home Improvement Scam", "publisher": "Federal Trade Commission", "url": "https://consumer.ftc.gov/articles/how-avoid-home-improvement-scam", "limitations": "General federal consumer guidance. State and local contract requirements can add obligations." } ] } ], "conversion": { "stage": "ready-to-request", "primaryAction": "Request a slab assessment", "requestDetails": [ "Location IDs, photos, measurements, and route use", "Operating hours, access, traffic, loads, and temporary controls", "Approval authority, closeout records, and acceptance requirements" ], "reassurance": "No obligation. The request may be shared with one independent provider only after consent. Provider availability is not guaranteed." }, "editorialNotes": [ "The direct answer must remain concise enough to quote without removing the limitation that follows it.", "Natural-language variants guide coverage; they are not a license to repeat the same keyword in every paragraph." ], "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "kind": "technical-guide", "authority": "primary", "supports": "Slabjacking is used to level and align slabs-on-ground affected by settlement, erosion, flooding, or shrinkage of supporting soil or base.", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property.", "reviewedAt": "2026-07-24" }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "kind": "technical-guide", "authority": "primary", "supports": "Appropriate repair selection, hole layouts, settlement mode, grout-pressure monitoring, and verification are core parts of slabjacking practice.", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab.", "reviewedAt": "2026-07-24" }, { "id": "ada-level-changes", "title": "2010 ADA Standards for Accessible Design, Section 303", "publisher": "U.S. Department of Justice", "url": "https://www.ada.gov/law-and-regs/design-standards/2010-stds/", "kind": "standard", "authority": "primary", "supports": "For covered facilities, Section 303 limits vertical and beveled changes in level and requires larger changes to comply with ramp or curb-ramp provisions.", "limitations": "Applicability depends on facility, route, alteration, and law. This site does not provide legal or accessibility certification.", "reviewedAt": "2026-07-24" }, { "id": "osha-walking-surfaces", "title": "29 CFR 1910.22: General requirements for walking-working surfaces", "publisher": "Occupational Safety and Health Administration", "url": "https://www.osha.gov/laws-regs/regulations/standardnumber/1910/1910.22", "kind": "standard", "authority": "primary", "supports": "General-industry employers must maintain walking-working surfaces, inspect them, correct hazards, and ensure they support intended loads.", "limitations": "Workplace rule, not a universal residential standard or a substitute for project-specific safety and legal review.", "reviewedAt": "2026-07-24" }, { "id": "texas-ag-home-improvement", "title": "How to Avoid Home Improvement Scams", "publisher": "Office of the Attorney General of Texas", "url": "https://www.texasattorneygeneral.gov/consumer-protection/home-real-estate-and-travel/how-avoid-home-improvement-scams", "kind": "consumer-guidance", "authority": "primary", "supports": "Texas consumers are advised to obtain multiple detailed written bids, read contracts carefully, include promises in writing, keep records, and avoid full payment before satisfactory completion.", "limitations": "General consumer guidance, not legal advice for one contract or a statement that concrete leveling is a state-licensed trade.", "reviewedAt": "2026-07-24" }, { "id": "ftc-home-improvement", "title": "How to Avoid a Home Improvement Scam", "publisher": "Federal Trade Commission", "url": "https://consumer.ftc.gov/articles/how-avoid-home-improvement-scam", "kind": "consumer-guidance", "authority": "primary", "supports": "Consumers should compare estimates, verify business and insurance information, read written contracts, and avoid paying the full project amount up front.", "limitations": "General federal consumer guidance. State and local contract requirements can add obligations.", "reviewedAt": "2026-07-24" } ] }, { "key": "resource:hoa-sidewalk-trip-hazard-repair", "contentType": "resource", "reviewedAt": "2026-07-24", "reviewerRole": "Editorial research review", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "ada-level-changes", "osha-walking-surfaces", "texas-ag-home-improvement", "ftc-home-improvement" ], "claims": [ { "claim": "Start with ownership and responsibility, then build a location inventory with photographs, measurements, route use, cause clues, priority, and temporary controls. Bid the same documented locations and require method, finish, access, closeout, and warranty details.", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "ada-level-changes", "osha-walking-surfaces", "texas-ag-home-improvement", "ftc-home-improvement" ], "scope": "General decision support only. The cited material does not diagnose subsurface conditions, select a contractor, or guarantee an outcome for one property.", "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property." }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab." }, { "id": "ada-level-changes", "title": "2010 ADA Standards for Accessible Design, Section 303", "publisher": "U.S. Department of Justice", "url": "https://www.ada.gov/law-and-regs/design-standards/2010-stds/", "limitations": "Applicability depends on facility, route, alteration, and law. This site does not provide legal or accessibility certification." }, { "id": "osha-walking-surfaces", "title": "29 CFR 1910.22: General requirements for walking-working surfaces", "publisher": "Occupational Safety and Health Administration", "url": "https://www.osha.gov/laws-regs/regulations/standardnumber/1910/1910.22", "limitations": "Workplace rule, not a universal residential standard or a substitute for project-specific safety and legal review." }, { "id": "texas-ag-home-improvement", "title": "How to Avoid Home Improvement Scams", "publisher": "Office of the Attorney General of Texas", "url": "https://www.texasattorneygeneral.gov/consumer-protection/home-real-estate-and-travel/how-avoid-home-improvement-scams", "limitations": "General consumer guidance, not legal advice for one contract or a statement that concrete leveling is a state-licensed trade." }, { "id": "ftc-home-improvement", "title": "How to Avoid a Home Improvement Scam", "publisher": "Federal Trade Commission", "url": "https://consumer.ftc.gov/articles/how-avoid-home-improvement-scam", "limitations": "General federal consumer guidance. State and local contract requirements can add obligations." } ] }, { "claim": "Confirm responsibility before bidding: Review declarations, plats, easements, maintenance agreements, municipal guidance, and legal advice when needed. A sidewalk may be association property, homeowner responsibility, public right-of-way, or part of a shared maintenance arrangement.", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "ada-level-changes", "osha-walking-surfaces", "texas-ag-home-improvement", "ftc-home-improvement" ], "scope": "This section summarizes general decision criteria within the cited sources' combined scope. It does not establish the condition, cause, compliance status, or repair fit of one property.", "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property." }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab." }, { "id": "ada-level-changes", "title": "2010 ADA Standards for Accessible Design, Section 303", "publisher": "U.S. Department of Justice", "url": "https://www.ada.gov/law-and-regs/design-standards/2010-stds/", "limitations": "Applicability depends on facility, route, alteration, and law. This site does not provide legal or accessibility certification." }, { "id": "osha-walking-surfaces", "title": "29 CFR 1910.22: General requirements for walking-working surfaces", "publisher": "Occupational Safety and Health Administration", "url": "https://www.osha.gov/laws-regs/regulations/standardnumber/1910/1910.22", "limitations": "Workplace rule, not a universal residential standard or a substitute for project-specific safety and legal review." }, { "id": "texas-ag-home-improvement", "title": "How to Avoid Home Improvement Scams", "publisher": "Office of the Attorney General of Texas", "url": "https://www.texasattorneygeneral.gov/consumer-protection/home-real-estate-and-travel/how-avoid-home-improvement-scams", "limitations": "General consumer guidance, not legal advice for one contract or a statement that concrete leveling is a state-licensed trade." }, { "id": "ftc-home-improvement", "title": "How to Avoid a Home Improvement Scam", "publisher": "Federal Trade Commission", "url": "https://consumer.ftc.gov/articles/how-avoid-home-improvement-scam", "limitations": "General federal consumer guidance. State and local contract requirements can add obligations." } ] }, { "claim": "Bid a common location schedule: Require each bidder to respond to the same location IDs and state lifting, grinding, replacement, or no-bid with reasons. Compare target, finish, exclusions, mobilization, schedule, cleanup, closeout, and warranty.", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "ada-level-changes", "osha-walking-surfaces", "texas-ag-home-improvement", "ftc-home-improvement" ], "scope": "This section summarizes general decision criteria within the cited sources' combined scope. It does not establish the condition, cause, compliance status, or repair fit of one property.", "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property." }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab." }, { "id": "ada-level-changes", "title": "2010 ADA Standards for Accessible Design, Section 303", "publisher": "U.S. Department of Justice", "url": "https://www.ada.gov/law-and-regs/design-standards/2010-stds/", "limitations": "Applicability depends on facility, route, alteration, and law. This site does not provide legal or accessibility certification." }, { "id": "osha-walking-surfaces", "title": "29 CFR 1910.22: General requirements for walking-working surfaces", "publisher": "Occupational Safety and Health Administration", "url": "https://www.osha.gov/laws-regs/regulations/standardnumber/1910/1910.22", "limitations": "Workplace rule, not a universal residential standard or a substitute for project-specific safety and legal review." }, { "id": "texas-ag-home-improvement", "title": "How to Avoid Home Improvement Scams", "publisher": "Office of the Attorney General of Texas", "url": "https://www.texasattorneygeneral.gov/consumer-protection/home-real-estate-and-travel/how-avoid-home-improvement-scams", "limitations": "General consumer guidance, not legal advice for one contract or a statement that concrete leveling is a state-licensed trade." }, { "id": "ftc-home-improvement", "title": "How to Avoid a Home Improvement Scam", "publisher": "Federal Trade Commission", "url": "https://consumer.ftc.gov/articles/how-avoid-home-improvement-scam", "limitations": "General federal consumer guidance. State and local contract requirements can add obligations." } ] }, { "claim": "Communicate and monitor: Give residents clear notice about locations, dates, alternate routes, pets, irrigation, vehicles, and reopening. Keep completed records and inspect areas with recurring roots, drainage, or settlement on a planned cadence.", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "ada-level-changes", "osha-walking-surfaces", "texas-ag-home-improvement", "ftc-home-improvement" ], "scope": "This section summarizes general decision criteria within the cited sources' combined scope. It does not establish the condition, cause, compliance status, or repair fit of one property.", "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property." }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab." }, { "id": "ada-level-changes", "title": "2010 ADA Standards for Accessible Design, Section 303", "publisher": "U.S. Department of Justice", "url": "https://www.ada.gov/law-and-regs/design-standards/2010-stds/", "limitations": "Applicability depends on facility, route, alteration, and law. This site does not provide legal or accessibility certification." }, { "id": "osha-walking-surfaces", "title": "29 CFR 1910.22: General requirements for walking-working surfaces", "publisher": "Occupational Safety and Health Administration", "url": "https://www.osha.gov/laws-regs/regulations/standardnumber/1910/1910.22", "limitations": "Workplace rule, not a universal residential standard or a substitute for project-specific safety and legal review." }, { "id": "texas-ag-home-improvement", "title": "How to Avoid Home Improvement Scams", "publisher": "Office of the Attorney General of Texas", "url": "https://www.texasattorneygeneral.gov/consumer-protection/home-real-estate-and-travel/how-avoid-home-improvement-scams", "limitations": "General consumer guidance, not legal advice for one contract or a statement that concrete leveling is a state-licensed trade." }, { "id": "ftc-home-improvement", "title": "How to Avoid a Home Improvement Scam", "publisher": "Federal Trade Commission", "url": "https://consumer.ftc.gov/articles/how-avoid-home-improvement-scam", "limitations": "General federal consumer guidance. State and local contract requirements can add obligations." } ] } ], "conversion": { "stage": "ready-to-request", "primaryAction": "Request a slab assessment", "requestDetails": [ "Location IDs, photos, measurements, and route use", "Operating hours, access, traffic, loads, and temporary controls", "Approval authority, closeout records, and acceptance requirements" ], "reassurance": "No obligation. The request may be shared with one independent provider only after consent. Provider availability is not guaranteed." }, "editorialNotes": [ "The direct answer must remain concise enough to quote without removing the limitation that follows it.", "Natural-language variants guide coverage; they are not a license to repeat the same keyword in every paragraph." ], "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "kind": "technical-guide", "authority": "primary", "supports": "Slabjacking is used to level and align slabs-on-ground affected by settlement, erosion, flooding, or shrinkage of supporting soil or base.", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property.", "reviewedAt": "2026-07-24" }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "kind": "technical-guide", "authority": "primary", "supports": "Appropriate repair selection, hole layouts, settlement mode, grout-pressure monitoring, and verification are core parts of slabjacking practice.", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab.", "reviewedAt": "2026-07-24" }, { "id": "ada-level-changes", "title": "2010 ADA Standards for Accessible Design, Section 303", "publisher": "U.S. Department of Justice", "url": "https://www.ada.gov/law-and-regs/design-standards/2010-stds/", "kind": "standard", "authority": "primary", "supports": "For covered facilities, Section 303 limits vertical and beveled changes in level and requires larger changes to comply with ramp or curb-ramp provisions.", "limitations": "Applicability depends on facility, route, alteration, and law. This site does not provide legal or accessibility certification.", "reviewedAt": "2026-07-24" }, { "id": "osha-walking-surfaces", "title": "29 CFR 1910.22: General requirements for walking-working surfaces", "publisher": "Occupational Safety and Health Administration", "url": "https://www.osha.gov/laws-regs/regulations/standardnumber/1910/1910.22", "kind": "standard", "authority": "primary", "supports": "General-industry employers must maintain walking-working surfaces, inspect them, correct hazards, and ensure they support intended loads.", "limitations": "Workplace rule, not a universal residential standard or a substitute for project-specific safety and legal review.", "reviewedAt": "2026-07-24" }, { "id": "texas-ag-home-improvement", "title": "How to Avoid Home Improvement Scams", "publisher": "Office of the Attorney General of Texas", "url": "https://www.texasattorneygeneral.gov/consumer-protection/home-real-estate-and-travel/how-avoid-home-improvement-scams", "kind": "consumer-guidance", "authority": "primary", "supports": "Texas consumers are advised to obtain multiple detailed written bids, read contracts carefully, include promises in writing, keep records, and avoid full payment before satisfactory completion.", "limitations": "General consumer guidance, not legal advice for one contract or a statement that concrete leveling is a state-licensed trade.", "reviewedAt": "2026-07-24" }, { "id": "ftc-home-improvement", "title": "How to Avoid a Home Improvement Scam", "publisher": "Federal Trade Commission", "url": "https://consumer.ftc.gov/articles/how-avoid-home-improvement-scam", "kind": "consumer-guidance", "authority": "primary", "supports": "Consumers should compare estimates, verify business and insurance information, read written contracts, and avoid paying the full project amount up front.", "limitations": "General federal consumer guidance. State and local contract requirements can add obligations.", "reviewedAt": "2026-07-24" } ] }, { "key": "resource:property-manager-concrete-inspection", "contentType": "resource", "reviewedAt": "2026-07-24", "reviewerRole": "Editorial research review", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "ada-level-changes", "osha-walking-surfaces", "texas-ag-home-improvement", "ftc-home-improvement" ], "claims": [ { "claim": "Record a unique location ID, wide and close photographs, transition measurements, surface condition, route use, drainage, roots or utilities, temporary controls, ownership, priority, recommended method, work status, provider, completion evidence, and next review date.", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "ada-level-changes", "osha-walking-surfaces", "texas-ag-home-improvement", "ftc-home-improvement" ], "scope": "General decision support only. The cited material does not diagnose subsurface conditions, select a contractor, or guarantee an outcome for one property.", "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property." }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab." }, { "id": "ada-level-changes", "title": "2010 ADA Standards for Accessible Design, Section 303", "publisher": "U.S. Department of Justice", "url": "https://www.ada.gov/law-and-regs/design-standards/2010-stds/", "limitations": "Applicability depends on facility, route, alteration, and law. This site does not provide legal or accessibility certification." }, { "id": "osha-walking-surfaces", "title": "29 CFR 1910.22: General requirements for walking-working surfaces", "publisher": "Occupational Safety and Health Administration", "url": "https://www.osha.gov/laws-regs/regulations/standardnumber/1910/1910.22", "limitations": "Workplace rule, not a universal residential standard or a substitute for project-specific safety and legal review." }, { "id": "texas-ag-home-improvement", "title": "How to Avoid Home Improvement Scams", "publisher": "Office of the Attorney General of Texas", "url": "https://www.texasattorneygeneral.gov/consumer-protection/home-real-estate-and-travel/how-avoid-home-improvement-scams", "limitations": "General consumer guidance, not legal advice for one contract or a statement that concrete leveling is a state-licensed trade." }, { "id": "ftc-home-improvement", "title": "How to Avoid a Home Improvement Scam", "publisher": "Federal Trade Commission", "url": "https://consumer.ftc.gov/articles/how-avoid-home-improvement-scam", "limitations": "General federal consumer guidance. State and local contract requirements can add obligations." } ] }, { "claim": "Use one repeatable location record: Create a map or plan with durable IDs. At each location, photograph the entire connected route and the specific edge. Record what the surface connects to and how people or vehicles use it.", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "ada-level-changes", "osha-walking-surfaces", "texas-ag-home-improvement", "ftc-home-improvement" ], "scope": "This section summarizes general decision criteria within the cited sources' combined scope. It does not establish the condition, cause, compliance status, or repair fit of one property.", "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property." }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab." }, { "id": "ada-level-changes", "title": "2010 ADA Standards for Accessible Design, Section 303", "publisher": "U.S. Department of Justice", "url": "https://www.ada.gov/law-and-regs/design-standards/2010-stds/", "limitations": "Applicability depends on facility, route, alteration, and law. This site does not provide legal or accessibility certification." }, { "id": "osha-walking-surfaces", "title": "29 CFR 1910.22: General requirements for walking-working surfaces", "publisher": "Occupational Safety and Health Administration", "url": "https://www.osha.gov/laws-regs/regulations/standardnumber/1910/1910.22", "limitations": "Workplace rule, not a universal residential standard or a substitute for project-specific safety and legal review." }, { "id": "texas-ag-home-improvement", "title": "How to Avoid Home Improvement Scams", "publisher": "Office of the Attorney General of Texas", "url": "https://www.texasattorneygeneral.gov/consumer-protection/home-real-estate-and-travel/how-avoid-home-improvement-scams", "limitations": "General consumer guidance, not legal advice for one contract or a statement that concrete leveling is a state-licensed trade." }, { "id": "ftc-home-improvement", "title": "How to Avoid a Home Improvement Scam", "publisher": "Federal Trade Commission", "url": "https://consumer.ftc.gov/articles/how-avoid-home-improvement-scam", "limitations": "General federal consumer guidance. State and local contract requirements can add obligations." } ] }, { "claim": "Separate observation from diagnosis: Property staff can document a low panel, crack, root, ponding, or movement without claiming the exact subsurface cause. Providers should explain their cause hypothesis, repair fit, uncertainty, and exclusions.", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "ada-level-changes", "osha-walking-surfaces", "texas-ag-home-improvement", "ftc-home-improvement" ], "scope": "This section summarizes general decision criteria within the cited sources' combined scope. It does not establish the condition, cause, compliance status, or repair fit of one property.", "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property." }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab." }, { "id": "ada-level-changes", "title": "2010 ADA Standards for Accessible Design, Section 303", "publisher": "U.S. Department of Justice", "url": "https://www.ada.gov/law-and-regs/design-standards/2010-stds/", "limitations": "Applicability depends on facility, route, alteration, and law. This site does not provide legal or accessibility certification." }, { "id": "osha-walking-surfaces", "title": "29 CFR 1910.22: General requirements for walking-working surfaces", "publisher": "Occupational Safety and Health Administration", "url": "https://www.osha.gov/laws-regs/regulations/standardnumber/1910/1910.22", "limitations": "Workplace rule, not a universal residential standard or a substitute for project-specific safety and legal review." }, { "id": "texas-ag-home-improvement", "title": "How to Avoid Home Improvement Scams", "publisher": "Office of the Attorney General of Texas", "url": "https://www.texasattorneygeneral.gov/consumer-protection/home-real-estate-and-travel/how-avoid-home-improvement-scams", "limitations": "General consumer guidance, not legal advice for one contract or a statement that concrete leveling is a state-licensed trade." }, { "id": "ftc-home-improvement", "title": "How to Avoid a Home Improvement Scam", "publisher": "Federal Trade Commission", "url": "https://consumer.ftc.gov/articles/how-avoid-home-improvement-scam", "limitations": "General federal consumer guidance. State and local contract requirements can add obligations." } ] }, { "claim": "Track outcome and recurrence: Close each item with scope, provider, date, material, photographs, measurements, instructions, warranty, and next review. Repeated conditions can reveal drainage, tree, irrigation, utility, or construction patterns across the property.", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "ada-level-changes", "osha-walking-surfaces", "texas-ag-home-improvement", "ftc-home-improvement" ], "scope": "This section summarizes general decision criteria within the cited sources' combined scope. It does not establish the condition, cause, compliance status, or repair fit of one property.", "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property." }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab." }, { "id": "ada-level-changes", "title": "2010 ADA Standards for Accessible Design, Section 303", "publisher": "U.S. Department of Justice", "url": "https://www.ada.gov/law-and-regs/design-standards/2010-stds/", "limitations": "Applicability depends on facility, route, alteration, and law. This site does not provide legal or accessibility certification." }, { "id": "osha-walking-surfaces", "title": "29 CFR 1910.22: General requirements for walking-working surfaces", "publisher": "Occupational Safety and Health Administration", "url": "https://www.osha.gov/laws-regs/regulations/standardnumber/1910/1910.22", "limitations": "Workplace rule, not a universal residential standard or a substitute for project-specific safety and legal review." }, { "id": "texas-ag-home-improvement", "title": "How to Avoid Home Improvement Scams", "publisher": "Office of the Attorney General of Texas", "url": "https://www.texasattorneygeneral.gov/consumer-protection/home-real-estate-and-travel/how-avoid-home-improvement-scams", "limitations": "General consumer guidance, not legal advice for one contract or a statement that concrete leveling is a state-licensed trade." }, { "id": "ftc-home-improvement", "title": "How to Avoid a Home Improvement Scam", "publisher": "Federal Trade Commission", "url": "https://consumer.ftc.gov/articles/how-avoid-home-improvement-scam", "limitations": "General federal consumer guidance. State and local contract requirements can add obligations." } ] } ], "conversion": { "stage": "method-aware", "primaryAction": "Request a slab assessment", "requestDetails": [ "Location IDs, photos, measurements, and route use", "Operating hours, access, traffic, loads, and temporary controls", "Approval authority, closeout records, and acceptance requirements" ], "reassurance": "No obligation. The request may be shared with one independent provider only after consent. Provider availability is not guaranteed." }, "editorialNotes": [ "The direct answer must remain concise enough to quote without removing the limitation that follows it.", "Natural-language variants guide coverage; they are not a license to repeat the same keyword in every paragraph." ], "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "kind": "technical-guide", "authority": "primary", "supports": "Slabjacking is used to level and align slabs-on-ground affected by settlement, erosion, flooding, or shrinkage of supporting soil or base.", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property.", "reviewedAt": "2026-07-24" }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "kind": "technical-guide", "authority": "primary", "supports": "Appropriate repair selection, hole layouts, settlement mode, grout-pressure monitoring, and verification are core parts of slabjacking practice.", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab.", "reviewedAt": "2026-07-24" }, { "id": "ada-level-changes", "title": "2010 ADA Standards for Accessible Design, Section 303", "publisher": "U.S. Department of Justice", "url": "https://www.ada.gov/law-and-regs/design-standards/2010-stds/", "kind": "standard", "authority": "primary", "supports": "For covered facilities, Section 303 limits vertical and beveled changes in level and requires larger changes to comply with ramp or curb-ramp provisions.", "limitations": "Applicability depends on facility, route, alteration, and law. This site does not provide legal or accessibility certification.", "reviewedAt": "2026-07-24" }, { "id": "osha-walking-surfaces", "title": "29 CFR 1910.22: General requirements for walking-working surfaces", "publisher": "Occupational Safety and Health Administration", "url": "https://www.osha.gov/laws-regs/regulations/standardnumber/1910/1910.22", "kind": "standard", "authority": "primary", "supports": "General-industry employers must maintain walking-working surfaces, inspect them, correct hazards, and ensure they support intended loads.", "limitations": "Workplace rule, not a universal residential standard or a substitute for project-specific safety and legal review.", "reviewedAt": "2026-07-24" }, { "id": "texas-ag-home-improvement", "title": "How to Avoid Home Improvement Scams", "publisher": "Office of the Attorney General of Texas", "url": "https://www.texasattorneygeneral.gov/consumer-protection/home-real-estate-and-travel/how-avoid-home-improvement-scams", "kind": "consumer-guidance", "authority": "primary", "supports": "Texas consumers are advised to obtain multiple detailed written bids, read contracts carefully, include promises in writing, keep records, and avoid full payment before satisfactory completion.", "limitations": "General consumer guidance, not legal advice for one contract or a statement that concrete leveling is a state-licensed trade.", "reviewedAt": "2026-07-24" }, { "id": "ftc-home-improvement", "title": "How to Avoid a Home Improvement Scam", "publisher": "Federal Trade Commission", "url": "https://consumer.ftc.gov/articles/how-avoid-home-improvement-scam", "kind": "consumer-guidance", "authority": "primary", "supports": "Consumers should compare estimates, verify business and insurance information, read written contracts, and avoid paying the full project amount up front.", "limitations": "General federal consumer guidance. State and local contract requirements can add obligations.", "reviewedAt": "2026-07-24" } ] }, { "key": "resource:warehouse-floor-slab-leveling", "contentType": "resource", "reviewedAt": "2026-07-24", "reviewerRole": "Editorial research review", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "ada-level-changes", "osha-walking-surfaces", "texas-ag-home-improvement", "ftc-home-improvement", "fhwa-impulse-response" ], "claims": [ { "claim": "Some industrial slabs can be stabilized or lifted, but rack loads, forklifts, joints, reinforcement, drains, utilities, equipment, floor-flatness requirements, production, and structural conditions require project-specific review. Engineering or specialty testing may be appropriate.", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "ada-level-changes", "osha-walking-surfaces", "texas-ag-home-improvement", "ftc-home-improvement", "fhwa-impulse-response" ], "scope": "General decision support only. The cited material does not diagnose subsurface conditions, select a contractor, or guarantee an outcome for one property.", "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property." }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab." }, { "id": "ada-level-changes", "title": "2010 ADA Standards for Accessible Design, Section 303", "publisher": "U.S. Department of Justice", "url": "https://www.ada.gov/law-and-regs/design-standards/2010-stds/", "limitations": "Applicability depends on facility, route, alteration, and law. This site does not provide legal or accessibility certification." }, { "id": "osha-walking-surfaces", "title": "29 CFR 1910.22: General requirements for walking-working surfaces", "publisher": "Occupational Safety and Health Administration", "url": "https://www.osha.gov/laws-regs/regulations/standardnumber/1910/1910.22", "limitations": "Workplace rule, not a universal residential standard or a substitute for project-specific safety and legal review." }, { "id": "texas-ag-home-improvement", "title": "How to Avoid Home Improvement Scams", "publisher": "Office of the Attorney General of Texas", "url": "https://www.texasattorneygeneral.gov/consumer-protection/home-real-estate-and-travel/how-avoid-home-improvement-scams", "limitations": "General consumer guidance, not legal advice for one contract or a statement that concrete leveling is a state-licensed trade." }, { "id": "ftc-home-improvement", "title": "How to Avoid a Home Improvement Scam", "publisher": "Federal Trade Commission", "url": "https://consumer.ftc.gov/articles/how-avoid-home-improvement-scam", "limitations": "General federal consumer guidance. State and local contract requirements can add obligations." }, { "id": "fhwa-impulse-response", "title": "Pavements: Impulse Response", "publisher": "Federal Highway Administration", "url": "https://infotechnology.fhwa.dot.gov/impulse-response/", "limitations": "Transportation nondestructive-evaluation guidance. Testing method and interpretation must fit the project." } ] }, { "claim": "Define performance requirements and loads: Identify traffic, wheel loads, racks, equipment, anchors, slab thickness information, joints, flatness or levelness requirements, and the operational consequence of movement. The repair target should come from use requirements, not only visual appearance.", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "ada-level-changes", "osha-walking-surfaces", "texas-ag-home-improvement", "ftc-home-improvement", "fhwa-impulse-response" ], "scope": "This section summarizes general decision criteria within the cited sources' combined scope. It does not establish the condition, cause, compliance status, or repair fit of one property.", "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property." }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab." }, { "id": "ada-level-changes", "title": "2010 ADA Standards for Accessible Design, Section 303", "publisher": "U.S. Department of Justice", "url": "https://www.ada.gov/law-and-regs/design-standards/2010-stds/", "limitations": "Applicability depends on facility, route, alteration, and law. This site does not provide legal or accessibility certification." }, { "id": "osha-walking-surfaces", "title": "29 CFR 1910.22: General requirements for walking-working surfaces", "publisher": "Occupational Safety and Health Administration", "url": "https://www.osha.gov/laws-regs/regulations/standardnumber/1910/1910.22", "limitations": "Workplace rule, not a universal residential standard or a substitute for project-specific safety and legal review." }, { "id": "texas-ag-home-improvement", "title": "How to Avoid Home Improvement Scams", "publisher": "Office of the Attorney General of Texas", "url": "https://www.texasattorneygeneral.gov/consumer-protection/home-real-estate-and-travel/how-avoid-home-improvement-scams", "limitations": "General consumer guidance, not legal advice for one contract or a statement that concrete leveling is a state-licensed trade." }, { "id": "ftc-home-improvement", "title": "How to Avoid a Home Improvement Scam", "publisher": "Federal Trade Commission", "url": "https://consumer.ftc.gov/articles/how-avoid-home-improvement-scam", "limitations": "General federal consumer guidance. State and local contract requirements can add obligations." }, { "id": "fhwa-impulse-response", "title": "Pavements: Impulse Response", "publisher": "Federal Highway Administration", "url": "https://infotechnology.fhwa.dot.gov/impulse-response/", "limitations": "Transportation nondestructive-evaluation guidance. Testing method and interpretation must fit the project." } ] }, { "claim": "Plan staging and downtime: Define isolation, product movement, rack unloading, equipment shutdown, dust or debris control, work hours, cure or return-to-use, inspection, and contingency. A phased sequence may reduce disruption but can increase mobilization and temporary conditions.", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "ada-level-changes", "osha-walking-surfaces", "texas-ag-home-improvement", "ftc-home-improvement", "fhwa-impulse-response" ], "scope": "This section summarizes general decision criteria within the cited sources' combined scope. It does not establish the condition, cause, compliance status, or repair fit of one property.", "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property." }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab." }, { "id": "ada-level-changes", "title": "2010 ADA Standards for Accessible Design, Section 303", "publisher": "U.S. Department of Justice", "url": "https://www.ada.gov/law-and-regs/design-standards/2010-stds/", "limitations": "Applicability depends on facility, route, alteration, and law. This site does not provide legal or accessibility certification." }, { "id": "osha-walking-surfaces", "title": "29 CFR 1910.22: General requirements for walking-working surfaces", "publisher": "Occupational Safety and Health Administration", "url": "https://www.osha.gov/laws-regs/regulations/standardnumber/1910/1910.22", "limitations": "Workplace rule, not a universal residential standard or a substitute for project-specific safety and legal review." }, { "id": "texas-ag-home-improvement", "title": "How to Avoid Home Improvement Scams", "publisher": "Office of the Attorney General of Texas", "url": "https://www.texasattorneygeneral.gov/consumer-protection/home-real-estate-and-travel/how-avoid-home-improvement-scams", "limitations": "General consumer guidance, not legal advice for one contract or a statement that concrete leveling is a state-licensed trade." }, { "id": "ftc-home-improvement", "title": "How to Avoid a Home Improvement Scam", "publisher": "Federal Trade Commission", "url": "https://consumer.ftc.gov/articles/how-avoid-home-improvement-scam", "limitations": "General federal consumer guidance. State and local contract requirements can add obligations." }, { "id": "fhwa-impulse-response", "title": "Pavements: Impulse Response", "publisher": "Federal Highway Administration", "url": "https://infotechnology.fhwa.dot.gov/impulse-response/", "limitations": "Transportation nondestructive-evaluation guidance. Testing method and interpretation must fit the project." } ] }, { "claim": "Use the right technical team: Industrial projects may require a concrete specialist, engineer, geotechnical input, utility locating, equipment vendor, rack consultant, or testing agency. The proposal should identify assumptions and professional responsibilities rather than stretching one trade beyond its competence.", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "ada-level-changes", "osha-walking-surfaces", "texas-ag-home-improvement", "ftc-home-improvement", "fhwa-impulse-response" ], "scope": "This section summarizes general decision criteria within the cited sources' combined scope. It does not establish the condition, cause, compliance status, or repair fit of one property.", "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property." }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab." }, { "id": "ada-level-changes", "title": "2010 ADA Standards for Accessible Design, Section 303", "publisher": "U.S. Department of Justice", "url": "https://www.ada.gov/law-and-regs/design-standards/2010-stds/", "limitations": "Applicability depends on facility, route, alteration, and law. This site does not provide legal or accessibility certification." }, { "id": "osha-walking-surfaces", "title": "29 CFR 1910.22: General requirements for walking-working surfaces", "publisher": "Occupational Safety and Health Administration", "url": "https://www.osha.gov/laws-regs/regulations/standardnumber/1910/1910.22", "limitations": "Workplace rule, not a universal residential standard or a substitute for project-specific safety and legal review." }, { "id": "texas-ag-home-improvement", "title": "How to Avoid Home Improvement Scams", "publisher": "Office of the Attorney General of Texas", "url": "https://www.texasattorneygeneral.gov/consumer-protection/home-real-estate-and-travel/how-avoid-home-improvement-scams", "limitations": "General consumer guidance, not legal advice for one contract or a statement that concrete leveling is a state-licensed trade." }, { "id": "ftc-home-improvement", "title": "How to Avoid a Home Improvement Scam", "publisher": "Federal Trade Commission", "url": "https://consumer.ftc.gov/articles/how-avoid-home-improvement-scam", "limitations": "General federal consumer guidance. State and local contract requirements can add obligations." }, { "id": "fhwa-impulse-response", "title": "Pavements: Impulse Response", "publisher": "Federal Highway Administration", "url": "https://infotechnology.fhwa.dot.gov/impulse-response/", "limitations": "Transportation nondestructive-evaluation guidance. Testing method and interpretation must fit the project." } ] } ], "conversion": { "stage": "method-aware", "primaryAction": "Request a slab assessment", "requestDetails": [ "Location IDs, photos, measurements, and route use", "Operating hours, access, traffic, loads, and temporary controls", "Approval authority, closeout records, and acceptance requirements" ], "reassurance": "No obligation. The request may be shared with one independent provider only after consent. Provider availability is not guaranteed." }, "editorialNotes": [ "The direct answer must remain concise enough to quote without removing the limitation that follows it.", "Natural-language variants guide coverage; they are not a license to repeat the same keyword in every paragraph." ], "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "kind": "technical-guide", "authority": "primary", "supports": "Slabjacking is used to level and align slabs-on-ground affected by settlement, erosion, flooding, or shrinkage of supporting soil or base.", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property.", "reviewedAt": "2026-07-24" }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "kind": "technical-guide", "authority": "primary", "supports": "Appropriate repair selection, hole layouts, settlement mode, grout-pressure monitoring, and verification are core parts of slabjacking practice.", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab.", "reviewedAt": "2026-07-24" }, { "id": "ada-level-changes", "title": "2010 ADA Standards for Accessible Design, Section 303", "publisher": "U.S. Department of Justice", "url": "https://www.ada.gov/law-and-regs/design-standards/2010-stds/", "kind": "standard", "authority": "primary", "supports": "For covered facilities, Section 303 limits vertical and beveled changes in level and requires larger changes to comply with ramp or curb-ramp provisions.", "limitations": "Applicability depends on facility, route, alteration, and law. This site does not provide legal or accessibility certification.", "reviewedAt": "2026-07-24" }, { "id": "osha-walking-surfaces", "title": "29 CFR 1910.22: General requirements for walking-working surfaces", "publisher": "Occupational Safety and Health Administration", "url": "https://www.osha.gov/laws-regs/regulations/standardnumber/1910/1910.22", "kind": "standard", "authority": "primary", "supports": "General-industry employers must maintain walking-working surfaces, inspect them, correct hazards, and ensure they support intended loads.", "limitations": "Workplace rule, not a universal residential standard or a substitute for project-specific safety and legal review.", "reviewedAt": "2026-07-24" }, { "id": "texas-ag-home-improvement", "title": "How to Avoid Home Improvement Scams", "publisher": "Office of the Attorney General of Texas", "url": "https://www.texasattorneygeneral.gov/consumer-protection/home-real-estate-and-travel/how-avoid-home-improvement-scams", "kind": "consumer-guidance", "authority": "primary", "supports": "Texas consumers are advised to obtain multiple detailed written bids, read contracts carefully, include promises in writing, keep records, and avoid full payment before satisfactory completion.", "limitations": "General consumer guidance, not legal advice for one contract or a statement that concrete leveling is a state-licensed trade.", "reviewedAt": "2026-07-24" }, { "id": "ftc-home-improvement", "title": "How to Avoid a Home Improvement Scam", "publisher": "Federal Trade Commission", "url": "https://consumer.ftc.gov/articles/how-avoid-home-improvement-scam", "kind": "consumer-guidance", "authority": "primary", "supports": "Consumers should compare estimates, verify business and insurance information, read written contracts, and avoid paying the full project amount up front.", "limitations": "General federal consumer guidance. State and local contract requirements can add obligations.", "reviewedAt": "2026-07-24" }, { "id": "fhwa-impulse-response", "title": "Pavements: Impulse Response", "publisher": "Federal Highway Administration", "url": "https://infotechnology.fhwa.dot.gov/impulse-response/", "kind": "government", "authority": "primary", "supports": "Nondestructive methods can help investigate voids below concrete slabs; visual observation or sounding alone cannot fully characterize subsurface conditions.", "limitations": "Transportation nondestructive-evaluation guidance. Testing method and interpretation must fit the project.", "reviewedAt": "2026-07-24" } ] }, { "key": "resource:retail-sidewalk-trip-hazard", "contentType": "resource", "reviewedAt": "2026-07-24", "reviewerRole": "Editorial research review", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "ada-level-changes", "osha-walking-surfaces", "texas-ag-home-improvement", "ftc-home-improvement", "fhwa-impulse-response" ], "claims": [ { "claim": "Inspect the full customer route and choose lifting, grinding, replacement, or combined work based on panel condition and cause. Coordinate doors, ramps, curbs, utilities, drainage, deliveries, barriers, business hours, accessibility review, and documented reopening.", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "ada-level-changes", "osha-walking-surfaces", "texas-ag-home-improvement", "ftc-home-improvement", "fhwa-impulse-response" ], "scope": "General decision support only. The cited material does not diagnose subsurface conditions, select a contractor, or guarantee an outcome for one property.", "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property." }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab." }, { "id": "ada-level-changes", "title": "2010 ADA Standards for Accessible Design, Section 303", "publisher": "U.S. Department of Justice", "url": "https://www.ada.gov/law-and-regs/design-standards/2010-stds/", "limitations": "Applicability depends on facility, route, alteration, and law. This site does not provide legal or accessibility certification." }, { "id": "osha-walking-surfaces", "title": "29 CFR 1910.22: General requirements for walking-working surfaces", "publisher": "Occupational Safety and Health Administration", "url": "https://www.osha.gov/laws-regs/regulations/standardnumber/1910/1910.22", "limitations": "Workplace rule, not a universal residential standard or a substitute for project-specific safety and legal review." }, { "id": "texas-ag-home-improvement", "title": "How to Avoid Home Improvement Scams", "publisher": "Office of the Attorney General of Texas", "url": "https://www.texasattorneygeneral.gov/consumer-protection/home-real-estate-and-travel/how-avoid-home-improvement-scams", "limitations": "General consumer guidance, not legal advice for one contract or a statement that concrete leveling is a state-licensed trade." }, { "id": "ftc-home-improvement", "title": "How to Avoid a Home Improvement Scam", "publisher": "Federal Trade Commission", "url": "https://consumer.ftc.gov/articles/how-avoid-home-improvement-scam", "limitations": "General federal consumer guidance. State and local contract requirements can add obligations." }, { "id": "fhwa-impulse-response", "title": "Pavements: Impulse Response", "publisher": "Federal Highway Administration", "url": "https://infotechnology.fhwa.dot.gov/impulse-response/", "limitations": "Transportation nondestructive-evaluation guidance. Testing method and interpretation must fit the project." } ] }, { "claim": "Review the connected customer route: Map parking, accessible spaces, ramps, curb transitions, walks, vestibules, doors, cart routes, drains, utility covers, and neighboring tenant areas. One corrected slab should not create a new transition at the next element.", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "ada-level-changes", "osha-walking-surfaces", "texas-ag-home-improvement", "ftc-home-improvement", "fhwa-impulse-response" ], "scope": "This section summarizes general decision criteria within the cited sources' combined scope. It does not establish the condition, cause, compliance status, or repair fit of one property.", "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property." }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab." }, { "id": "ada-level-changes", "title": "2010 ADA Standards for Accessible Design, Section 303", "publisher": "U.S. Department of Justice", "url": "https://www.ada.gov/law-and-regs/design-standards/2010-stds/", "limitations": "Applicability depends on facility, route, alteration, and law. This site does not provide legal or accessibility certification." }, { "id": "osha-walking-surfaces", "title": "29 CFR 1910.22: General requirements for walking-working surfaces", "publisher": "Occupational Safety and Health Administration", "url": "https://www.osha.gov/laws-regs/regulations/standardnumber/1910/1910.22", "limitations": "Workplace rule, not a universal residential standard or a substitute for project-specific safety and legal review." }, { "id": "texas-ag-home-improvement", "title": "How to Avoid Home Improvement Scams", "publisher": "Office of the Attorney General of Texas", "url": "https://www.texasattorneygeneral.gov/consumer-protection/home-real-estate-and-travel/how-avoid-home-improvement-scams", "limitations": "General consumer guidance, not legal advice for one contract or a statement that concrete leveling is a state-licensed trade." }, { "id": "ftc-home-improvement", "title": "How to Avoid a Home Improvement Scam", "publisher": "Federal Trade Commission", "url": "https://consumer.ftc.gov/articles/how-avoid-home-improvement-scam", "limitations": "General federal consumer guidance. State and local contract requirements can add obligations." }, { "id": "fhwa-impulse-response", "title": "Pavements: Impulse Response", "publisher": "Federal Highway Administration", "url": "https://infotechnology.fhwa.dot.gov/impulse-response/", "limitations": "Transportation nondestructive-evaluation guidance. Testing method and interpretation must fit the project." } ] }, { "claim": "Schedule around operations without rushing acceptance: Off-hour work may reduce disruption, but lighting, noise, security, staff access, deliveries, cleanup, inspection, and return-to-use instructions still need coordination. Do not reopen solely because the crew left.", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "ada-level-changes", "osha-walking-surfaces", "texas-ag-home-improvement", "ftc-home-improvement", "fhwa-impulse-response" ], "scope": "This section summarizes general decision criteria within the cited sources' combined scope. It does not establish the condition, cause, compliance status, or repair fit of one property.", "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property." }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab." }, { "id": "ada-level-changes", "title": "2010 ADA Standards for Accessible Design, Section 303", "publisher": "U.S. Department of Justice", "url": "https://www.ada.gov/law-and-regs/design-standards/2010-stds/", "limitations": "Applicability depends on facility, route, alteration, and law. This site does not provide legal or accessibility certification." }, { "id": "osha-walking-surfaces", "title": "29 CFR 1910.22: General requirements for walking-working surfaces", "publisher": "Occupational Safety and Health Administration", "url": "https://www.osha.gov/laws-regs/regulations/standardnumber/1910/1910.22", "limitations": "Workplace rule, not a universal residential standard or a substitute for project-specific safety and legal review." }, { "id": "texas-ag-home-improvement", "title": "How to Avoid Home Improvement Scams", "publisher": "Office of the Attorney General of Texas", "url": "https://www.texasattorneygeneral.gov/consumer-protection/home-real-estate-and-travel/how-avoid-home-improvement-scams", "limitations": "General consumer guidance, not legal advice for one contract or a statement that concrete leveling is a state-licensed trade." }, { "id": "ftc-home-improvement", "title": "How to Avoid a Home Improvement Scam", "publisher": "Federal Trade Commission", "url": "https://consumer.ftc.gov/articles/how-avoid-home-improvement-scam", "limitations": "General federal consumer guidance. State and local contract requirements can add obligations." }, { "id": "fhwa-impulse-response", "title": "Pavements: Impulse Response", "publisher": "Federal Highway Administration", "url": "https://infotechnology.fhwa.dot.gov/impulse-response/", "limitations": "Transportation nondestructive-evaluation guidance. Testing method and interpretation must fit the project." } ] }, { "claim": "Retain a location-specific closeout: Save the method, provider, material, completed photographs, measurements when available, remaining conditions, use instructions, invoice, and warranty. Share the closeout with property management and the tenant responsible for monitoring the route.", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "ada-level-changes", "osha-walking-surfaces", "texas-ag-home-improvement", "ftc-home-improvement", "fhwa-impulse-response" ], "scope": "This section summarizes general decision criteria within the cited sources' combined scope. It does not establish the condition, cause, compliance status, or repair fit of one property.", "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property." }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab." }, { "id": "ada-level-changes", "title": "2010 ADA Standards for Accessible Design, Section 303", "publisher": "U.S. Department of Justice", "url": "https://www.ada.gov/law-and-regs/design-standards/2010-stds/", "limitations": "Applicability depends on facility, route, alteration, and law. This site does not provide legal or accessibility certification." }, { "id": "osha-walking-surfaces", "title": "29 CFR 1910.22: General requirements for walking-working surfaces", "publisher": "Occupational Safety and Health Administration", "url": "https://www.osha.gov/laws-regs/regulations/standardnumber/1910/1910.22", "limitations": "Workplace rule, not a universal residential standard or a substitute for project-specific safety and legal review." }, { "id": "texas-ag-home-improvement", "title": "How to Avoid Home Improvement Scams", "publisher": "Office of the Attorney General of Texas", "url": "https://www.texasattorneygeneral.gov/consumer-protection/home-real-estate-and-travel/how-avoid-home-improvement-scams", "limitations": "General consumer guidance, not legal advice for one contract or a statement that concrete leveling is a state-licensed trade." }, { "id": "ftc-home-improvement", "title": "How to Avoid a Home Improvement Scam", "publisher": "Federal Trade Commission", "url": "https://consumer.ftc.gov/articles/how-avoid-home-improvement-scam", "limitations": "General federal consumer guidance. State and local contract requirements can add obligations." }, { "id": "fhwa-impulse-response", "title": "Pavements: Impulse Response", "publisher": "Federal Highway Administration", "url": "https://infotechnology.fhwa.dot.gov/impulse-response/", "limitations": "Transportation nondestructive-evaluation guidance. Testing method and interpretation must fit the project." } ] } ], "conversion": { "stage": "ready-to-request", "primaryAction": "Request a slab assessment", "requestDetails": [ "Location IDs, photos, measurements, and route use", "Operating hours, access, traffic, loads, and temporary controls", "Approval authority, closeout records, and acceptance requirements" ], "reassurance": "No obligation. The request may be shared with one independent provider only after consent. Provider availability is not guaranteed." }, "editorialNotes": [ "The direct answer must remain concise enough to quote without removing the limitation that follows it.", "Natural-language variants guide coverage; they are not a license to repeat the same keyword in every paragraph." ], "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "kind": "technical-guide", "authority": "primary", "supports": "Slabjacking is used to level and align slabs-on-ground affected by settlement, erosion, flooding, or shrinkage of supporting soil or base.", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property.", "reviewedAt": "2026-07-24" }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "kind": "technical-guide", "authority": "primary", "supports": "Appropriate repair selection, hole layouts, settlement mode, grout-pressure monitoring, and verification are core parts of slabjacking practice.", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab.", "reviewedAt": "2026-07-24" }, { "id": "ada-level-changes", "title": "2010 ADA Standards for Accessible Design, Section 303", "publisher": "U.S. Department of Justice", "url": "https://www.ada.gov/law-and-regs/design-standards/2010-stds/", "kind": "standard", "authority": "primary", "supports": "For covered facilities, Section 303 limits vertical and beveled changes in level and requires larger changes to comply with ramp or curb-ramp provisions.", "limitations": "Applicability depends on facility, route, alteration, and law. This site does not provide legal or accessibility certification.", "reviewedAt": "2026-07-24" }, { "id": "osha-walking-surfaces", "title": "29 CFR 1910.22: General requirements for walking-working surfaces", "publisher": "Occupational Safety and Health Administration", "url": "https://www.osha.gov/laws-regs/regulations/standardnumber/1910/1910.22", "kind": "standard", "authority": "primary", "supports": "General-industry employers must maintain walking-working surfaces, inspect them, correct hazards, and ensure they support intended loads.", "limitations": "Workplace rule, not a universal residential standard or a substitute for project-specific safety and legal review.", "reviewedAt": "2026-07-24" }, { "id": "texas-ag-home-improvement", "title": "How to Avoid Home Improvement Scams", "publisher": "Office of the Attorney General of Texas", "url": "https://www.texasattorneygeneral.gov/consumer-protection/home-real-estate-and-travel/how-avoid-home-improvement-scams", "kind": "consumer-guidance", "authority": "primary", "supports": "Texas consumers are advised to obtain multiple detailed written bids, read contracts carefully, include promises in writing, keep records, and avoid full payment before satisfactory completion.", "limitations": "General consumer guidance, not legal advice for one contract or a statement that concrete leveling is a state-licensed trade.", "reviewedAt": "2026-07-24" }, { "id": "ftc-home-improvement", "title": "How to Avoid a Home Improvement Scam", "publisher": "Federal Trade Commission", "url": "https://consumer.ftc.gov/articles/how-avoid-home-improvement-scam", "kind": "consumer-guidance", "authority": "primary", "supports": "Consumers should compare estimates, verify business and insurance information, read written contracts, and avoid paying the full project amount up front.", "limitations": "General federal consumer guidance. State and local contract requirements can add obligations.", "reviewedAt": "2026-07-24" }, { "id": "fhwa-impulse-response", "title": "Pavements: Impulse Response", "publisher": "Federal Highway Administration", "url": "https://infotechnology.fhwa.dot.gov/impulse-response/", "kind": "government", "authority": "primary", "supports": "Nondestructive methods can help investigate voids below concrete slabs; visual observation or sounding alone cannot fully characterize subsurface conditions.", "limitations": "Transportation nondestructive-evaluation guidance. Testing method and interpretation must fit the project.", "reviewedAt": "2026-07-24" } ] }, { "key": "area:tomball", "contentType": "area", "reviewedAt": "2026-07-24", "reviewerRole": "Editorial research review", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "nrcs-web-soil-survey", "nws-houston-normals", "tomball-public-works", "tomball-building-permits", "tomball-engineering" ], "claims": [ { "claim": "Tomball property owners can request an inspection for intact concrete that has settled, shifted, or lost support. The provider should evaluate both the slab and the conditions around it.", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "nrcs-web-soil-survey", "nws-houston-normals", "tomball-public-works", "tomball-building-permits", "tomball-engineering" ], "scope": "General decision support only. The cited material does not diagnose subsurface conditions, select a contractor, or guarantee an outcome for one property.", "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property." }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab." }, { "id": "nrcs-web-soil-survey", "title": "Web Soil Survey", "publisher": "USDA Natural Resources Conservation Service", "url": "https://websoilsurvey.nrcs.usda.gov/", "limitations": "Mapped soil data cannot reveal exact fill, compaction, leaks, utilities, erosion, or support beneath one slab." }, { "id": "nws-houston-normals", "title": "Houston IAH climate normals and annual summaries", "publisher": "National Weather Service Houston/Galveston", "url": "https://www.weather.gov/hgx/climate_iah_normals_summary", "limitations": "IAH station normals are regional context, not Tomball parcel data or proof that weather caused one slab to move." }, { "id": "tomball-public-works", "title": "Public Works", "publisher": "City of Tomball", "url": "https://www.tomballtx.gov/publicworks", "limitations": "Does not establish responsibility or permit requirements for every private sidewalk, driveway, or slab." }, { "id": "tomball-building-permits", "title": "Building Permits", "publisher": "City of Tomball", "url": "https://www.tomballtx.gov/200/Building-Permits", "limitations": "The page does not state that every concrete-leveling repair requires a permit. Confirm scope and jurisdiction with City staff." }, { "id": "tomball-engineering", "title": "Engineering Division", "publisher": "City of Tomball", "url": "https://tx-tomball.civicplus.com/202/Engineering-Division", "limitations": "Municipal information must be verified with staff and does not diagnose private slab conditions." } ] }, { "claim": "Moisture changes, drainage, fill conditions, roots, leaks, and construction details can all influence concrete movement. Local familiarity helps, but the cause should be investigated rather than guessed from a ZIP code.", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "nrcs-web-soil-survey", "nws-houston-normals", "tomball-public-works", "tomball-building-permits", "tomball-engineering" ], "scope": "The area summary describes general property and research considerations. It does not establish provider coverage, parcel conditions, or responsibility for one location.", "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property." }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab." }, { "id": "nrcs-web-soil-survey", "title": "Web Soil Survey", "publisher": "USDA Natural Resources Conservation Service", "url": "https://websoilsurvey.nrcs.usda.gov/", "limitations": "Mapped soil data cannot reveal exact fill, compaction, leaks, utilities, erosion, or support beneath one slab." }, { "id": "nws-houston-normals", "title": "Houston IAH climate normals and annual summaries", "publisher": "National Weather Service Houston/Galveston", "url": "https://www.weather.gov/hgx/climate_iah_normals_summary", "limitations": "IAH station normals are regional context, not Tomball parcel data or proof that weather caused one slab to move." }, { "id": "tomball-public-works", "title": "Public Works", "publisher": "City of Tomball", "url": "https://www.tomballtx.gov/publicworks", "limitations": "Does not establish responsibility or permit requirements for every private sidewalk, driveway, or slab." }, { "id": "tomball-building-permits", "title": "Building Permits", "publisher": "City of Tomball", "url": "https://www.tomballtx.gov/200/Building-Permits", "limitations": "The page does not state that every concrete-leveling repair requires a permit. Confirm scope and jurisdiction with City staff." }, { "id": "tomball-engineering", "title": "Engineering Division", "publisher": "City of Tomball", "url": "https://tx-tomball.civicplus.com/202/Engineering-Division", "limitations": "Municipal information must be verified with staff and does not diagnose private slab conditions." } ] }, { "claim": "Useful local intake considers Heavy rain, dry periods, irrigation, and downspout discharge can change moisture near slabs; Driveways and garage aprons need a clear target that protects the garage and directs water appropriately; Pool decks require awareness of coping, plumbing, drains, and bonded finishes; Work near streets, sidewalks, easements, or common areas may require ownership or permit checks.", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "nrcs-web-soil-survey", "nws-houston-normals", "tomball-public-works", "tomball-building-permits", "tomball-engineering" ], "scope": "These prompts help prepare a request. They do not prove a cause, permit requirement, ownership duty, or available repair method.", "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property." }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab." }, { "id": "nrcs-web-soil-survey", "title": "Web Soil Survey", "publisher": "USDA Natural Resources Conservation Service", "url": "https://websoilsurvey.nrcs.usda.gov/", "limitations": "Mapped soil data cannot reveal exact fill, compaction, leaks, utilities, erosion, or support beneath one slab." }, { "id": "nws-houston-normals", "title": "Houston IAH climate normals and annual summaries", "publisher": "National Weather Service Houston/Galveston", "url": "https://www.weather.gov/hgx/climate_iah_normals_summary", "limitations": "IAH station normals are regional context, not Tomball parcel data or proof that weather caused one slab to move." }, { "id": "tomball-public-works", "title": "Public Works", "publisher": "City of Tomball", "url": "https://www.tomballtx.gov/publicworks", "limitations": "Does not establish responsibility or permit requirements for every private sidewalk, driveway, or slab." }, { "id": "tomball-building-permits", "title": "Building Permits", "publisher": "City of Tomball", "url": "https://www.tomballtx.gov/200/Building-Permits", "limitations": "The page does not state that every concrete-leveling repair requires a permit. Confirm scope and jurisdiction with City staff." }, { "id": "tomball-engineering", "title": "Engineering Division", "publisher": "City of Tomball", "url": "https://tx-tomball.civicplus.com/202/Engineering-Division", "limitations": "Municipal information must be verified with staff and does not diagnose private slab conditions." } ] } ], "conversion": { "stage": "ready-to-request", "primaryAction": "Check Tomball project coverage", "requestDetails": [ "Property address or ZIP and exact surface", "Access, water, utilities, roots, pools, or shared-property constraints", "Photos and the preferred project window" ], "reassurance": "Coverage is checked case by case. Submitting a request does not create a service contract or promise an appointment." }, "editorialNotes": [ "Do not turn regional weather or soil data into a parcel diagnosis.", "Do not imply an office, crew, completed project, or guaranteed service presence in the area." ], "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "kind": "technical-guide", "authority": "primary", "supports": "Slabjacking is used to level and align slabs-on-ground affected by settlement, erosion, flooding, or shrinkage of supporting soil or base.", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property.", "reviewedAt": "2026-07-24" }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "kind": "technical-guide", "authority": "primary", "supports": "Appropriate repair selection, hole layouts, settlement mode, grout-pressure monitoring, and verification are core parts of slabjacking practice.", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab.", "reviewedAt": "2026-07-24" }, { "id": "nrcs-web-soil-survey", "title": "Web Soil Survey", "publisher": "USDA Natural Resources Conservation Service", "url": "https://websoilsurvey.nrcs.usda.gov/", "kind": "government", "authority": "primary", "supports": "Official mapped soil information and interpretations can provide regional and property-area context.", "limitations": "Mapped soil data cannot reveal exact fill, compaction, leaks, utilities, erosion, or support beneath one slab.", "reviewedAt": "2026-07-24" }, { "id": "nws-houston-normals", "title": "Houston IAH climate normals and annual summaries", "publisher": "National Weather Service Houston/Galveston", "url": "https://www.weather.gov/hgx/climate_iah_normals_summary", "kind": "government", "authority": "primary", "supports": "Houston-area climate normals document substantial annual rainfall and seasonal temperature conditions relevant to regional drainage context.", "limitations": "IAH station normals are regional context, not Tomball parcel data or proof that weather caused one slab to move.", "reviewedAt": "2026-07-24" }, { "id": "tomball-public-works", "title": "Public Works", "publisher": "City of Tomball", "url": "https://www.tomballtx.gov/publicworks", "kind": "municipal", "authority": "primary", "supports": "Tomball Public Works handles city streets, drainage, water, sewer, gas, parks, and related public infrastructure services.", "limitations": "Does not establish responsibility or permit requirements for every private sidewalk, driveway, or slab.", "reviewedAt": "2026-07-24" }, { "id": "tomball-building-permits", "title": "Building Permits", "publisher": "City of Tomball", "url": "https://www.tomballtx.gov/200/Building-Permits", "kind": "municipal", "authority": "primary", "supports": "The City provides current permit contacts, adopted-code references, plan submission, and inspection pathways.", "limitations": "The page does not state that every concrete-leveling repair requires a permit. Confirm scope and jurisdiction with City staff.", "reviewedAt": "2026-07-24" }, { "id": "tomball-engineering", "title": "Engineering Division", "publisher": "City of Tomball", "url": "https://tx-tomball.civicplus.com/202/Engineering-Division", "kind": "municipal", "authority": "primary", "supports": "The City Engineering Division addresses public infrastructure, drainage, streets, mapping, and development review questions.", "limitations": "Municipal information must be verified with staff and does not diagnose private slab conditions.", "reviewedAt": "2026-07-24" } ] }, { "key": "area:magnolia", "contentType": "area", "reviewedAt": "2026-07-24", "reviewerRole": "Editorial research review", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "nrcs-web-soil-survey", "nws-houston-normals", "tomball-public-works", "tomball-building-permits", "tomball-engineering" ], "claims": [ { "claim": "Magnolia-area requests may be routed to an independent provider when the address, surface, and project scope fit the current service area.", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "nrcs-web-soil-survey", "nws-houston-normals", "tomball-public-works", "tomball-building-permits", "tomball-engineering" ], "scope": "General decision support only. The cited material does not diagnose subsurface conditions, select a contractor, or guarantee an outcome for one property.", "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property." }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab." }, { "id": "nrcs-web-soil-survey", "title": "Web Soil Survey", "publisher": "USDA Natural Resources Conservation Service", "url": "https://websoilsurvey.nrcs.usda.gov/", "limitations": "Mapped soil data cannot reveal exact fill, compaction, leaks, utilities, erosion, or support beneath one slab." }, { "id": "nws-houston-normals", "title": "Houston IAH climate normals and annual summaries", "publisher": "National Weather Service Houston/Galveston", "url": "https://www.weather.gov/hgx/climate_iah_normals_summary", "limitations": "IAH station normals are regional context, not Tomball parcel data or proof that weather caused one slab to move." }, { "id": "tomball-public-works", "title": "Public Works", "publisher": "City of Tomball", "url": "https://www.tomballtx.gov/publicworks", "limitations": "Does not establish responsibility or permit requirements for every private sidewalk, driveway, or slab." }, { "id": "tomball-building-permits", "title": "Building Permits", "publisher": "City of Tomball", "url": "https://www.tomballtx.gov/200/Building-Permits", "limitations": "The page does not state that every concrete-leveling repair requires a permit. Confirm scope and jurisdiction with City staff." }, { "id": "tomball-engineering", "title": "Engineering Division", "publisher": "City of Tomball", "url": "https://tx-tomball.civicplus.com/202/Engineering-Division", "limitations": "Municipal information must be verified with staff and does not diagnose private slab conditions." } ] }, { "claim": "Larger lots, long driveways, drainage paths, trees, septic infrastructure, and variable access can affect how a concrete-lifting project is evaluated and priced.", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "nrcs-web-soil-survey", "nws-houston-normals", "tomball-public-works", "tomball-building-permits", "tomball-engineering" ], "scope": "The area summary describes general property and research considerations. It does not establish provider coverage, parcel conditions, or responsibility for one location.", "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property." }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab." }, { "id": "nrcs-web-soil-survey", "title": "Web Soil Survey", "publisher": "USDA Natural Resources Conservation Service", "url": "https://websoilsurvey.nrcs.usda.gov/", "limitations": "Mapped soil data cannot reveal exact fill, compaction, leaks, utilities, erosion, or support beneath one slab." }, { "id": "nws-houston-normals", "title": "Houston IAH climate normals and annual summaries", "publisher": "National Weather Service Houston/Galveston", "url": "https://www.weather.gov/hgx/climate_iah_normals_summary", "limitations": "IAH station normals are regional context, not Tomball parcel data or proof that weather caused one slab to move." }, { "id": "tomball-public-works", "title": "Public Works", "publisher": "City of Tomball", "url": "https://www.tomballtx.gov/publicworks", "limitations": "Does not establish responsibility or permit requirements for every private sidewalk, driveway, or slab." }, { "id": "tomball-building-permits", "title": "Building Permits", "publisher": "City of Tomball", "url": "https://www.tomballtx.gov/200/Building-Permits", "limitations": "The page does not state that every concrete-leveling repair requires a permit. Confirm scope and jurisdiction with City staff." }, { "id": "tomball-engineering", "title": "Engineering Division", "publisher": "City of Tomball", "url": "https://tx-tomball.civicplus.com/202/Engineering-Division", "limitations": "Municipal information must be verified with staff and does not diagnose private slab conditions." } ] }, { "claim": "Useful local intake considers Confirm truck, trailer, hose, and equipment access before the appointment; Identify septic components, wells, private utilities, irrigation, and buried lines; Review runoff across long drives, detached buildings, and sloped lots; Separate slab settlement from root pressure, washout, or badly deteriorated concrete.", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "nrcs-web-soil-survey", "nws-houston-normals", "tomball-public-works", "tomball-building-permits", "tomball-engineering" ], "scope": "These prompts help prepare a request. They do not prove a cause, permit requirement, ownership duty, or available repair method.", "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property." }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab." }, { "id": "nrcs-web-soil-survey", "title": "Web Soil Survey", "publisher": "USDA Natural Resources Conservation Service", "url": "https://websoilsurvey.nrcs.usda.gov/", "limitations": "Mapped soil data cannot reveal exact fill, compaction, leaks, utilities, erosion, or support beneath one slab." }, { "id": "nws-houston-normals", "title": "Houston IAH climate normals and annual summaries", "publisher": "National Weather Service Houston/Galveston", "url": "https://www.weather.gov/hgx/climate_iah_normals_summary", "limitations": "IAH station normals are regional context, not Tomball parcel data or proof that weather caused one slab to move." }, { "id": "tomball-public-works", "title": "Public Works", "publisher": "City of Tomball", "url": "https://www.tomballtx.gov/publicworks", "limitations": "Does not establish responsibility or permit requirements for every private sidewalk, driveway, or slab." }, { "id": "tomball-building-permits", "title": "Building Permits", "publisher": "City of Tomball", "url": "https://www.tomballtx.gov/200/Building-Permits", "limitations": "The page does not state that every concrete-leveling repair requires a permit. Confirm scope and jurisdiction with City staff." }, { "id": "tomball-engineering", "title": "Engineering Division", "publisher": "City of Tomball", "url": "https://tx-tomball.civicplus.com/202/Engineering-Division", "limitations": "Municipal information must be verified with staff and does not diagnose private slab conditions." } ] } ], "conversion": { "stage": "ready-to-request", "primaryAction": "Check Magnolia project coverage", "requestDetails": [ "Property address or ZIP and exact surface", "Access, water, utilities, roots, pools, or shared-property constraints", "Photos and the preferred project window" ], "reassurance": "Coverage is checked case by case. Submitting a request does not create a service contract or promise an appointment." }, "editorialNotes": [ "Do not turn regional weather or soil data into a parcel diagnosis.", "Do not imply an office, crew, completed project, or guaranteed service presence in the area." ], "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "kind": "technical-guide", "authority": "primary", "supports": "Slabjacking is used to level and align slabs-on-ground affected by settlement, erosion, flooding, or shrinkage of supporting soil or base.", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property.", "reviewedAt": "2026-07-24" }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "kind": "technical-guide", "authority": "primary", "supports": "Appropriate repair selection, hole layouts, settlement mode, grout-pressure monitoring, and verification are core parts of slabjacking practice.", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab.", "reviewedAt": "2026-07-24" }, { "id": "nrcs-web-soil-survey", "title": "Web Soil Survey", "publisher": "USDA Natural Resources Conservation Service", "url": "https://websoilsurvey.nrcs.usda.gov/", "kind": "government", "authority": "primary", "supports": "Official mapped soil information and interpretations can provide regional and property-area context.", "limitations": "Mapped soil data cannot reveal exact fill, compaction, leaks, utilities, erosion, or support beneath one slab.", "reviewedAt": "2026-07-24" }, { "id": "nws-houston-normals", "title": "Houston IAH climate normals and annual summaries", "publisher": "National Weather Service Houston/Galveston", "url": "https://www.weather.gov/hgx/climate_iah_normals_summary", "kind": "government", "authority": "primary", "supports": "Houston-area climate normals document substantial annual rainfall and seasonal temperature conditions relevant to regional drainage context.", "limitations": "IAH station normals are regional context, not Tomball parcel data or proof that weather caused one slab to move.", "reviewedAt": "2026-07-24" }, { "id": "tomball-public-works", "title": "Public Works", "publisher": "City of Tomball", "url": "https://www.tomballtx.gov/publicworks", "kind": "municipal", "authority": "primary", "supports": "Tomball Public Works handles city streets, drainage, water, sewer, gas, parks, and related public infrastructure services.", "limitations": "Does not establish responsibility or permit requirements for every private sidewalk, driveway, or slab.", "reviewedAt": "2026-07-24" }, { "id": "tomball-building-permits", "title": "Building Permits", "publisher": "City of Tomball", "url": "https://www.tomballtx.gov/200/Building-Permits", "kind": "municipal", "authority": "primary", "supports": "The City provides current permit contacts, adopted-code references, plan submission, and inspection pathways.", "limitations": "The page does not state that every concrete-leveling repair requires a permit. Confirm scope and jurisdiction with City staff.", "reviewedAt": "2026-07-24" }, { "id": "tomball-engineering", "title": "Engineering Division", "publisher": "City of Tomball", "url": "https://tx-tomball.civicplus.com/202/Engineering-Division", "kind": "municipal", "authority": "primary", "supports": "The City Engineering Division addresses public infrastructure, drainage, streets, mapping, and development review questions.", "limitations": "Municipal information must be verified with staff and does not diagnose private slab conditions.", "reviewedAt": "2026-07-24" } ] }, { "key": "area:spring", "contentType": "area", "reviewedAt": "2026-07-24", "reviewerRole": "Editorial research review", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "nrcs-web-soil-survey", "nws-houston-normals", "tomball-public-works", "tomball-building-permits", "tomball-engineering" ], "claims": [ { "claim": "Spring-area concrete requests may be matched with an independent provider when the location and project fall within current coverage.", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "nrcs-web-soil-survey", "nws-houston-normals", "tomball-public-works", "tomball-building-permits", "tomball-engineering" ], "scope": "General decision support only. The cited material does not diagnose subsurface conditions, select a contractor, or guarantee an outcome for one property.", "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property." }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab." }, { "id": "nrcs-web-soil-survey", "title": "Web Soil Survey", "publisher": "USDA Natural Resources Conservation Service", "url": "https://websoilsurvey.nrcs.usda.gov/", "limitations": "Mapped soil data cannot reveal exact fill, compaction, leaks, utilities, erosion, or support beneath one slab." }, { "id": "nws-houston-normals", "title": "Houston IAH climate normals and annual summaries", "publisher": "National Weather Service Houston/Galveston", "url": "https://www.weather.gov/hgx/climate_iah_normals_summary", "limitations": "IAH station normals are regional context, not Tomball parcel data or proof that weather caused one slab to move." }, { "id": "tomball-public-works", "title": "Public Works", "publisher": "City of Tomball", "url": "https://www.tomballtx.gov/publicworks", "limitations": "Does not establish responsibility or permit requirements for every private sidewalk, driveway, or slab." }, { "id": "tomball-building-permits", "title": "Building Permits", "publisher": "City of Tomball", "url": "https://www.tomballtx.gov/200/Building-Permits", "limitations": "The page does not state that every concrete-leveling repair requires a permit. Confirm scope and jurisdiction with City staff." }, { "id": "tomball-engineering", "title": "Engineering Division", "publisher": "City of Tomball", "url": "https://tx-tomball.civicplus.com/202/Engineering-Division", "limitations": "Municipal information must be verified with staff and does not diagnose private slab conditions." } ] }, { "claim": "Dense neighborhoods can add constraints around property lines, drainage, utilities, pools, gates, and homeowner-association responsibility. Those details belong in the inspection, not in an afterthought invoice.", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "nrcs-web-soil-survey", "nws-houston-normals", "tomball-public-works", "tomball-building-permits", "tomball-engineering" ], "scope": "The area summary describes general property and research considerations. It does not establish provider coverage, parcel conditions, or responsibility for one location.", "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property." }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab." }, { "id": "nrcs-web-soil-survey", "title": "Web Soil Survey", "publisher": "USDA Natural Resources Conservation Service", "url": "https://websoilsurvey.nrcs.usda.gov/", "limitations": "Mapped soil data cannot reveal exact fill, compaction, leaks, utilities, erosion, or support beneath one slab." }, { "id": "nws-houston-normals", "title": "Houston IAH climate normals and annual summaries", "publisher": "National Weather Service Houston/Galveston", "url": "https://www.weather.gov/hgx/climate_iah_normals_summary", "limitations": "IAH station normals are regional context, not Tomball parcel data or proof that weather caused one slab to move." }, { "id": "tomball-public-works", "title": "Public Works", "publisher": "City of Tomball", "url": "https://www.tomballtx.gov/publicworks", "limitations": "Does not establish responsibility or permit requirements for every private sidewalk, driveway, or slab." }, { "id": "tomball-building-permits", "title": "Building Permits", "publisher": "City of Tomball", "url": "https://www.tomballtx.gov/200/Building-Permits", "limitations": "The page does not state that every concrete-leveling repair requires a permit. Confirm scope and jurisdiction with City staff." }, { "id": "tomball-engineering", "title": "Engineering Division", "publisher": "City of Tomball", "url": "https://tx-tomball.civicplus.com/202/Engineering-Division", "limitations": "Municipal information must be verified with staff and does not diagnose private slab conditions." } ] }, { "claim": "Useful local intake considers Check access through gates, side yards, garages, or shared drives; Identify association, landlord, tenant, or common-area approval requirements; Document drainage between closely spaced homes and neighboring slabs; Locate pool equipment, irrigation, cable, gas, and other known utilities.", "sourceIds": [ "aci-rap-11", "aci-slabjacking-course", "nrcs-web-soil-survey", "nws-houston-normals", "tomball-public-works", "tomball-building-permits", "tomball-engineering" ], "scope": "These prompts help prepare a request. They do not prove a cause, permit requirement, ownership duty, or available repair method.", "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property." }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab." }, { "id": "nrcs-web-soil-survey", "title": "Web Soil Survey", "publisher": "USDA Natural Resources Conservation Service", "url": "https://websoilsurvey.nrcs.usda.gov/", "limitations": "Mapped soil data cannot reveal exact fill, compaction, leaks, utilities, erosion, or support beneath one slab." }, { "id": "nws-houston-normals", "title": "Houston IAH climate normals and annual summaries", "publisher": "National Weather Service Houston/Galveston", "url": "https://www.weather.gov/hgx/climate_iah_normals_summary", "limitations": "IAH station normals are regional context, not Tomball parcel data or proof that weather caused one slab to move." }, { "id": "tomball-public-works", "title": "Public Works", "publisher": "City of Tomball", "url": "https://www.tomballtx.gov/publicworks", "limitations": "Does not establish responsibility or permit requirements for every private sidewalk, driveway, or slab." }, { "id": "tomball-building-permits", "title": "Building Permits", "publisher": "City of Tomball", "url": "https://www.tomballtx.gov/200/Building-Permits", "limitations": "The page does not state that every concrete-leveling repair requires a permit. Confirm scope and jurisdiction with City staff." }, { "id": "tomball-engineering", "title": "Engineering Division", "publisher": "City of Tomball", "url": "https://tx-tomball.civicplus.com/202/Engineering-Division", "limitations": "Municipal information must be verified with staff and does not diagnose private slab conditions." } ] } ], "conversion": { "stage": "ready-to-request", "primaryAction": "Check Spring project coverage", "requestDetails": [ "Property address or ZIP and exact surface", "Access, water, utilities, roots, pools, or shared-property constraints", "Photos and the preferred project window" ], "reassurance": "Coverage is checked case by case. Submitting a request does not create a service contract or promise an appointment." }, "editorialNotes": [ "Do not turn regional weather or soil data into a parcel diagnosis.", "Do not imply an office, crew, completed project, or guaranteed service presence in the area." ], "sources": [ { "id": "aci-rap-11", "title": "RAP-11: Slabjacking", "publisher": "American Concrete Institute", "url": "https://www.concrete.org/store/productdetail.aspx?ItemID=ERAPU11", "kind": "technical-guide", "authority": "primary", "supports": "Slabjacking is used to level and align slabs-on-ground affected by settlement, erosion, flooding, or shrinkage of supporting soil or base.", "limitations": "A voluntary field guide, not a diagnosis, design, bid specification, or guarantee for a particular property.", "reviewedAt": "2026-07-24" }, { "id": "aci-slabjacking-course", "title": "Slabjacking (RAP 11) learning objectives", "publisher": "American Concrete Institute University", "url": "https://aciuniversity.concrete.org/Listing/Slabjacking-RAP-11-1662", "kind": "technical-guide", "authority": "primary", "supports": "Appropriate repair selection, hole layouts, settlement mode, grout-pressure monitoring, and verification are core parts of slabjacking practice.", "limitations": "Summarizes a professional education module; it does not select a method or target for one slab.", "reviewedAt": "2026-07-24" }, { "id": "nrcs-web-soil-survey", "title": "Web Soil Survey", "publisher": "USDA Natural Resources Conservation Service", "url": "https://websoilsurvey.nrcs.usda.gov/", "kind": "government", "authority": "primary", "supports": "Official mapped soil information and interpretations can provide regional and property-area context.", "limitations": "Mapped soil data cannot reveal exact fill, compaction, leaks, utilities, erosion, or support beneath one slab.", "reviewedAt": "2026-07-24" }, { "id": "nws-houston-normals", "title": "Houston IAH climate normals and annual summaries", "publisher": "National Weather Service Houston/Galveston", "url": "https://www.weather.gov/hgx/climate_iah_normals_summary", "kind": "government", "authority": "primary", "supports": "Houston-area climate normals document substantial annual rainfall and seasonal temperature conditions relevant to regional drainage context.", "limitations": "IAH station normals are regional context, not Tomball parcel data or proof that weather caused one slab to move.", "reviewedAt": "2026-07-24" }, { "id": "tomball-public-works", "title": "Public Works", "publisher": "City of Tomball", "url": "https://www.tomballtx.gov/publicworks", "kind": "municipal", "authority": "primary", "supports": "Tomball Public Works handles city streets, drainage, water, sewer, gas, parks, and related public infrastructure services.", "limitations": "Does not establish responsibility or permit requirements for every private sidewalk, driveway, or slab.", "reviewedAt": "2026-07-24" }, { "id": "tomball-building-permits", "title": "Building Permits", "publisher": "City of Tomball", "url": "https://www.tomballtx.gov/200/Building-Permits", "kind": "municipal", "authority": "primary", "supports": "The City provides current permit contacts, adopted-code references, plan submission, and inspection pathways.", "limitations": "The page does not state that every concrete-leveling repair requires a permit. Confirm scope and jurisdiction with City staff.", "reviewedAt": "2026-07-24" }, { "id": "tomball-engineering", "title": "Engineering Division", "publisher": "City of Tomball", "url": "https://tx-tomball.civicplus.com/202/Engineering-Division", "kind": "municipal", "authority": "primary", "supports": "The City Engineering Division addresses public infrastructure, drainage, streets, mapping, and development review questions.", "limitations": "Municipal information must be verified with staff and does not diagnose private slab conditions.", "reviewedAt": "2026-07-24" } ] } ] }