Trex Trex RainEscape Wall Flash

Easily installed by any homeowner or deck builder. Self-adhesive Wall Flash seals the space between your house and the deck to keep water out of the gap. Prevents ice build-up that can expand, contract, and move the deck board over time. Can be used on any joist material or any brand of decking. Can be installed on 12” (33.02 cm) or 16” (40.64 cm) joist spacing. Extends the life of your deck.