Roof-to-Wall and Deck-to-Wall Flashing – Home Builder's Guide to Coastal Construction – Technical Fact Sheet #24

December 12th, 2017

Purpose: To emphasize the importance of proper roof and deck flashing, and to provide typical and enhanced flashing techniques for coastal homes. Key Issues • Poor performance of flashing and subsequent water intrusion is a common problem for coastal homes. • Enhanced flashing techniques are recommended in areas that frequently experience high winds and driving rain. • Water penetration at deck ledgers can cause wood dry rot and corrosion of connectors leading to deck collapse.