{"id":"229b74c8-4e95-42fd-815f-b4fc0e9a96eb","task":"Apply ANSI/SPRI/FM 4435 ES-1 edge metal and wind design requirements to a re-roof project","domain":"spri.org","steps":["Confirm the current ES-1 edition — re-approved as an American National Standard in November 2022 as ANSI/SPRI/FM 4435/ES-1 — and download it from spri.org/standards","Confirm ES-1 is referenced by the applicable IBC edition (referenced in IBC 2024) and by the local AHJ as a mandatory test requirement for perimeter edge-metal systems","Identify which edge conditions ES-1 covers (embedded edge metal, metal fascia, metal coping) — note ES-1 explicitly does NOT apply to gutters","Determine the required edge-metal wind resistance from the project's calculated ASCE 7 perimeter/corner zone pressures and confirm the specified edge system has ES-1 test data covering that pressure","Obtain manufacturer ES-1 test documentation/certification for the specific edge-metal profile, fastener spacing, and cleat gauge being installed — not just a general product line claim"],"gotchas":["ES-1 test data is specific to the tested profile, gauge, fastener type/spacing and cleat height — a different gauge or fastener spacing than what was tested is not covered by the manufacturer's ES-1 documentation","Shop-fabricated (non-proprietary) edge metal is not automatically ES-1 compliant; NRCA's shop-fabricated edge metal testing guidance should be consulted if using a fabricator's custom profile rather than a tested proprietary system","ES-1 addresses edge-metal wind resistance specifically — it does not by itself satisfy the full-roof wind-uplift rating requirement for the membrane/insulation assembly"],"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/229b74c8-4e95-42fd-815f-b4fc0e9a96eb"}