{"id":"det-017","license":"CC-BY-4.0","data":{"title":"Deck-to-wall ledger & the ignition corner","file":"/diagrams/det-017-deck-to-wall-ledger-ignition-corner.svg","caption":"FA Exhibit DET-017. Deck-to-wall ledger and the ignition corner.","alt":"A section adapted from FEMA P-737 Figure 19 shows ledger flashing, a one-foot partial-replacement deck-board band, and two wall retrofit options. A separate strip keeps FEMA guidance distinct from Oregon R327 walking-surface, wall-covering, and underfloor scopes. The conflicting FEMA board-gap dimensions are withheld for review.","kind":"diagram","rights":"cc-by-4.0","depicts":"The sheet names the ledger corner as several independent jobs sharing one line","identifiableAddress":false,"exifGpsStripped":true,"derivation":"ADAPTED FROM FEMA P-737 FIG. 19 + TABLE 10 AND 2023 ORSC R327.3.3.1 / .3.4.4 / .3.5.","technicalReviewer":"Grayson Graham","lastVerified":"2026-08-25T00:00:00.000Z"}}