{
  "page": "/us/lifespan/caulk",
  "built_from": "data/lifespan/facts/caulk.json",
  "rows": [
    {
      "type": "Normal-quality exterior caulk, typical preparation",
      "measure": "Failure of a watertight seal with normal quality and typical preparation; 2 to 3 years or less, particularly on southern exterior exposures",
      "value": 2,
      "unit": "years",
      "source": "HUD Office of Policy Development and Research, Durability by Design: A Guide for Residential Builders and Designers (May 2002)",
      "url": "https://www.huduser.gov/portal/publications/durability_by_design.pdf",
      "data_years": "Guide published May 2002; no underlying data years published.",
      "read": "2026-11-02",
      "area": "US",
      "n": "not published by the source",
      "se_points": null,
      "fact_id": "caulk-hud-normal-exterior-2-3"
    },
    {
      "type": "High-quality caulk, manufacturer instructions and limited exposure",
      "measure": "Potential endurance with manufacturer instructions, surface preparation and installation conditions; up to 5 years or considerably more when not severely exposed",
      "value": 5,
      "unit": "years",
      "source": "HUD Office of Policy Development and Research, Durability by Design: A Guide for Residential Builders and Designers (May 2002)",
      "url": "https://www.huduser.gov/portal/publications/durability_by_design.pdf",
      "data_years": "Guide published May 2002; no underlying data years published.",
      "read": "2026-11-02",
      "area": "US",
      "n": "not published by the source",
      "se_points": null,
      "fact_id": "caulk-hud-quality-preparation"
    },
    {
      "type": "Most DAP caulks, stored properly",
      "measure": "Shelf life of most DAP caulking products from manufacture when stored properly",
      "value": 1,
      "unit": "years",
      "source": "DAP, Frequently Asked Questions, Caulking Products",
      "url": "https://www.dap.com/resources-support/faqs/",
      "data_years": "Undated maker FAQ; no underlying data years published.",
      "read": "2026-11-02",
      "area": "US",
      "n": "not published by the source",
      "se_points": null,
      "fact_id": "caulk-dap-shelf-one-year"
    }
  ]
}