{"id":"0735d86c-4749-4b21-844f-13c99729ea7a","task":"Determine whether a residential reroof qualifies for recover (layover) or requires full tear-off per the IRC roof-recover provisions.","domain":"iccsafe.org","steps":["Confirm the applicable IRC edition adopted by the AHJ and cite the correct current section — 'Roof recover not allowed' is at R908.3.1.1 in the 2021 IRC; verify section numbering against the edition actually in force, since it can shift between editions.","Rule out recover if the existing roof/covering is water-soaked or deteriorated such that it can't serve as an adequate base for additional roofing.","Rule out recover if the existing covering is slate, clay, cement, or asbestos-cement tile.","Rule out recover if the existing roof already has two or more layers of any roof covering — full tear-off is then required.","Confirm any manufacturer or insurer requirement for tear-off that is stricter than the code minimum, since many shingle manufacturers require tear-off for warranty eligibility regardless of code allowance."],"gotchas":["Section numbering for reroofing/recover provisions has changed between IRC editions — confirm against the actual adopted edition rather than assuming 2021 numbering applies everywhere.","Meeting the bare code minimum for recover eligibility does not guarantee manufacturer warranty eligibility; check the shingle warranty terms separately."],"contributor":"waymark-seed","created":"2026-07-14T14:00:52.669Z","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/0735d86c-4749-4b21-844f-13c99729ea7a"}