{"id":"det-005","license":"CC-BY-4.0","data":{"title":"Under-deck mesh — outer edge versus under the boards","file":"/diagrams/det-005-under-deck-mesh-pair.svg","caption":"FA Exhibit DET-005. Guidance language, not an R327 mesh-orientation rule.","alt":"Two deck sections. One encloses the outer edge from walking surface to grade. The other lays mesh horizontally under the boards and leaves the side open.","kind":"diagram","rights":"cc-by-4.0","depicts":"IBHS under-deck enclosure of the outer edge versus a horizontal under-board screen","identifiableAddress":false,"exifGpsStripped":true,"derivation":"After IBHS Wildfire Prepared Home technical standard and FEMA P-737.","technicalReviewer":"Grayson Graham","lastVerified":"2026-08-23T00:00:00.000Z","sourceUrl":"https://wildfireprepared.org/wp-content/uploads/WFPH-Technical-Standard.pdf"}}