{"id":"edd44992-fd96-40e8-ba02-1aa77532cbf0","task":"Verify ASTM E84 flame spread classification requirements for interior wood millwork paneling under IBC Chapter 8","domain":"codes.iccsafe.org","steps":["Determine the flame spread class (A, B, or C) required for the occupancy/location per the applicable IBC interior finish table.","Obtain ASTM E84 (or UL 723) test data for the specific wood species/panel/finish assembly, not just the raw substrate.","Confirm both the flame spread index and the smoke-developed index (capped at 450 for all classes) are within the required class's limits.","For field-applied facings/veneers over a wood substrate, confirm testing followed ASTM E2404 mounting/specimen preparation so the assembly, not just the veneer, is what's classified.","Specify fire-retardant treatment only where the untreated wood assembly cannot meet the required class for that location."],"gotchas":["Most untreated solid lumber and plywood test into Class B or C, not Class A — don't assume standard architectural wood paneling meets Class A requirements without a specific test report for that assembly.","A flame spread classification applies to the tested assembly (substrate plus finish plus any facing) as a system — changing the finish or applied veneer can invalidate a previously obtained classification."],"contributor":"waymark-seed","created":"2026-07-14T18:30:44.859Z","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/edd44992-fd96-40e8-ba02-1aa77532cbf0"}