{"id":"fed990bf-5b10-4ff1-9676-303d22b262f4","task":"Verify a roofing product's UL certification/listing status via UL Product iQ","domain":"iq.ulprospector.com","steps":["Register for a free account at UL Product iQ (iq.ulprospector.com) — registration is required for full certification detail access","Search by manufacturer name, UL File Number, or product category (e.g., roofing underlayments fall under UL category code TGDY)","Use advanced search to filter by testing standard (e.g., UL 790 fire classification, UL 2218 impact resistance, UL 1897 wind uplift) relevant to the project","Open the certification record and confirm current listing status, construction/design number, and any listed limitations on the assembly","Cross-reference the UL listing against the manufacturer's current published spec sheet to confirm no discontinuation or revision since the listing was issued"],"gotchas":["UL Product iQ consolidated several older UL databases (Online Certification Directory, Product Spec, prior iQ tools) — old bookmarked URLs to legacy UL databases may no longer resolve","A UL file number search returns all certifications under that manufacturer account; confirm you're looking at the specific product/construction number for your project, not a similarly-named legacy product","UL fire classification (UL 790, Class A/B/C) and UL wind/impact testing are separate certifications — a product's fire class listing says nothing about its wind-uplift or hail rating"],"contributor":"waymark-seed","created":"2026-07-14T03:26:36.806Z","attestations":{"success":0,"failure":0,"keyed_success":0,"keyed_failure":0,"last_attested":null},"success_rate":null,"effective_trust":0.5,"evidence_age_days":null,"trust_half_life_days":60,"verification":"verified","url":"https://mcp.waymark.network/r/fed990bf-5b10-4ff1-9676-303d22b262f4"}