{
  "page": "https://instabids.ai/us/how-to-repair-a-roof-leak",
  "title": "How do you repair a roof leak?",
  "skill": "us-answer@3.2.0",
  "evidence_date": "2026-10-24",
  "rows": [
    {
      "label": "OSHA worker rule, residential construction, national (29 CFR 1926.501(b)(13))",
      "quote": "\"Each employee engaged in residential construction activities 6 feet (1.8 m) or more above lower levels shall be protected by guardrail systems, safety net system, or personal fall arrest system\"",
      "source": "eCFR, 29 CFR 1926.501, Duty to have fall protection, read 24 October 2026",
      "url": "https://www.ecfr.gov/current/title-29/subtitle-B/chapter-XVII/part-1926/subpart-M/section-1926.501",
      "read": "2026-10-24",
      "fact_id": "us-pain-v3roofleak-ecfr-501-b13"
    },
    {
      "label": "OSHA roof tarping fact sheet for workers, national",
      "quote": "ladder angle and height: \"lean the ladder at a safe angle that is at a 4:1 ratio (one foot away from the building at the bottom for each four feet of ladder length to the roof eave), and make sure the ladder extends three feet above the roof edge.\"",
      "source": "OSHA, Roof Tarping (Blue Roof) Safety fact sheet (FS-3926), read 24 October 2026",
      "url": "https://www.osha.gov/Publications/OSHA3926.pdf",
      "read": "2026-10-24",
      "fact_id": "us-pain-v3roofleak-osha3926-ladder"
    },
    {
      "label": "OSHA roof tarping fact sheet for workers, national",
      "quote": "steep-roof line: \"Do not stand on steep roofs (greater than 4 in 12 vertical to horizontal) without using conventional fall protection systems.\"",
      "source": "OSHA, Roof Tarping (Blue Roof) Safety fact sheet (FS-3926), read 24 October 2026",
      "url": "https://www.osha.gov/Publications/OSHA3926.pdf",
      "read": "2026-10-24",
      "fact_id": "us-pain-v3roofleak-osha3926-steep"
    },
    {
      "label": "DOE Building America Solution Center tarp method for flood-damaged roofs, national",
      "quote": "\"at least a foot of it to overhang the peak.\"",
      "source": "U.S. Department of Energy Building America Solution Center, Flooded Homes: Installing Roof, Window, and Door Tarps (video transcript), read 24 October 2026",
      "url": "https://basc.pnnl.gov/sites/default/files/video-transcripts/Flooded%20Homes_%20Installing%20Roof%2C%20Window%2C%20and%20Door%20Tarps.pdf",
      "read": "2026-10-24",
      "fact_id": "us-pain-v3roofleak-basc-overhang"
    },
    {
      "label": "CPSC ladder injury figure, national",
      "quote": "\"If you are a senior, use extra caution with ladders.\" \"Those 65 and older are 80% more likely than other adults to visit an emergency room for injuries involving ladders or stools.\"",
      "source": "U.S. Consumer Product Safety Commission, Home Safe: Outdoor Repairs checklist, read 24 October 2026",
      "url": "https://www.cpsc.gov/s3fs-public/Home_Safe_Outdoor-Repairs_checklist_COVID19_FINAL_0.pdf",
      "read": "2026-10-24",
      "fact_id": "us-pain-v3roofleak-cpsc-65"
    },
    {
      "label": "Owens Corning's Duration Series installation instructions say (maker, that shingle line)",
      "quote": "roof cement standard: \"Roof Cement where required must meet ASTM D-4586 Type I or II (Asbestos Free).\"",
      "source": "Owens Corning, Duration Series Shingles Installation Instructions, read 24 October 2026",
      "url": "https://champion.owenscorning.com/downloaddmsassets/2147484707.pdf",
      "read": "2026-10-24",
      "fact_id": "us-pain-v3roofleak-oc-cement"
    },
    {
      "label": "University of Missouri Extension, ice dams",
      "quote": "insulation level: \"increase the ceiling and roof insulation in your home to R-38 to R-49 to cut heat loss.\"",
      "source": "University of Missouri Extension, Ice dams on the roof can damage your home, read 24 October 2026",
      "url": "https://extension.missouri.edu/news/ice-dams-on-the-roof-can-damage-your-home",
      "read": "2026-10-24",
      "fact_id": "us-pain-v3roofleak-mu-rvalue"
    },
    {
      "label": "University of Missouri Extension, ice dams",
      "quote": "attic venting: \"providing at least 2 square feet of attic vent for each 150 square feet of attic area\"",
      "source": "University of Missouri Extension, Ice dams on the roof can damage your home, read 24 October 2026",
      "url": "https://extension.missouri.edu/news/ice-dams-on-the-roof-can-damage-your-home",
      "read": "2026-10-24",
      "fact_id": "us-pain-v3roofleak-mu-vent"
    }
  ]
}