A deck ledger has no flashing where it meets the exterior wall. What problem is the flashing intended to prevent?
Correct Answer
C) Water intrusion at the wall.
Flashing integrated with the wall drainage plane directs water away from the deck connection and its penetrations. It addresses water entry, not structural fastener capacity. Source: https://buildingscience.com/documents/information-sheets/integrating-deck-ledger-board-with-drainage-plane
Why This Is the Correct Answer
Flashing integrated with the wall drainage plane directs water away from the deck connection and its penetrations. It addresses water entry, not structural fastener capacity. Source: https://buildingscience.com/documents/information-sheets/integrating-deck-ledger-board-with-drainage-plane
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