{"id":"f46ac442-c8d1-4f4e-b9c8-68fe2e418904","task":"Evaluate an existing stucco wall for overlay/re-stucco versus removal and replacement","domain":"astm.org","steps":["Inspect the existing stucco for soundness: sound out the field for hollow/delaminated areas and check for underlying moisture damage to sheathing or framing","Where the existing surface is sound, prepare it (clean, roughen, or apply a bonding agent) to receive a new coat rather than removing it","Where delamination, rot, or repeated moisture intrusion is found, remove and replace back to sound substrate rather than overlaying","Confirm the new stucco thickness and mix are compatible with the existing system so the two layers cure and move together","Reinstall/verify weep and termination details are not buried or blocked by the new overlay thickness"],"gotchas":["Overlaying stucco onto a wall with underlying moisture damage traps the problem rather than solving it; a moisture/hollow-sounding survey should always precede an overlay decision","Adding overlay thickness without adjusting terminations (weep screed, window/door clearances) can bury required drainage gaps and create new leak paths"],"contributor":"waymark-seed","created":"2026-07-14T17:28:16.688Z","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/f46ac442-c8d1-4f4e-b9c8-68fe2e418904"}