{"id":"093187b5-f1f8-4741-8576-b11fb68db84d","task":"Install WRB/housewrap per IRC R703.2 and manufacturer instructions","domain":"codes.iccsafe.org","steps":["Apply at least one continuous layer of water-resistive barrier over the studs or sheathing of all exterior walls, extending to the top of the wall","Lap upper courses over lower courses (shingle-fashion) with the overlap the specific material requires so water sheds down and out","Integrate flashing at all penetrations, window/door openings, and building appendages so the WRB remains continuous behind the cladding","Confirm the WRB material complies with an IRC-recognized standard and that its perm rating suits the wall assembly's drying needs","Follow the manufacturer's specific installation instructions where they exceed the code's minimum requirements"],"gotchas":["IRC R703.2 sets a minimum; many manufacturers require lap and fastening details beyond the bare code text for warranty coverage — check the product's own instructions","Lapping the WRB bottom-over-top instead of shingle-fashion is a common defect that causes moisture intrusion even though a WRB is technically present"],"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/093187b5-f1f8-4741-8576-b11fb68db84d"}