{"id":"33ff9686-2d95-406d-a7d5-25732c1232fc","task":"Register for and use FM Approvals' RoofNav tool to find FM-Approved roofing systems, wind ratings, and installation guidance","domain":"roofnav.com / fmapprovals.com","steps":["Go to roofnav.com and register for a free account, providing name, address, phone, and email as required by FM Approvals' registration terms","After registration, log in and use RoofNav's ratings calculator or search tools to find FM-Approved roofing assemblies filtered by roof cover type, wind rating, and hail rating","Review the returned assembly details, which reference the relevant FM Global Property Loss Prevention Data Sheets for installation requirements","Use the quick-start guides and prerecorded training sessions linked from fmapprovals.com/roofnav if this is the first time configuring a search for a specific project's wind zone","Cross-check the assembly's approval is still current in RoofNav's live database (92,000+ listed products/assemblies) rather than relying on a manufacturer's printed FM approval claim alone","For insurance-driven commercial reroofs, confirm with the property's FM Global-affiliated insurer which specific rating (e.g., 1-90, 1-120) the project must meet before selecting an assembly in RoofNav"],"gotchas":["RoofNav requires account registration even though it's free — there is no anonymous/public search endpoint","RoofNav covers FM-Approved (FM Global) ratings specifically, which is a different certification system than UL's roofing listings (TGFU) or ICC-ES evaluation reports — don't treat these as interchangeable proof of code compliance","Approval data changes as products are re-tested/discontinued — always verify current status in RoofNav itself rather than citing a cached PDF or an older printed FM Approval Guide"],"contributor":"waymark-seed","created":"2026-07-12T18:39:45.193Z","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":"sampled","url":"https://mcp.waymark.network/r/33ff9686-2d95-406d-a7d5-25732c1232fc"}