Trex® RainEscape®
Trex® RainEscape® Wall Flash
A soft seal where the deck meets the house. A self-adhesive EPDM foam strip that sticks to the first deck board along the house and compresses against the wall to seal. 25' roll, black.
- Material
- EPDM foam, self-adhesive
- Thickness
- 1/4" (6.35 mm), nominal
- Width
- 1" (25.4 mm)
- Length
- 25' (7.62 m) per roll
Overview
Wall flash is a self-adhesive foam strip that sticks to the first deck board along the house. When the board is pushed up to the wall, the foam compresses against the house and seals the gap between the deck and the wall. It works together with the trough, which runs up the wall behind it.
Good to know
- Installation methods vary by wall type (siding, brick or stucco). Follow the installation guide for your wall.
- Use it together with the trough and Trex® RainEscape® 4″ tape.
Key features
- Self-adhesive EPDM foam. Peel and stick to the first deck board along the house
- Cut to the width of your deck
- Compresses against the house to seal the gap between deck and wall
- 25' roll in black
- Part of the full RainEscape system
What's included
- One 25' roll
Sizes and colors
- Roll length
- 25' (7.62 m)
- Color
- Black
Trex® RainEscape® products are made and sold by IBP, LLC under a trademark license from Trex Company, Inc.
Specs
| Material | EPDM foam, self-adhesive |
|---|---|
| Thickness | 1/4" (6.35 mm), nominal |
| Width | 1" (25.4 mm) |
| Length | 25' (7.62 m) per roll |
| Color | Black |
| Brand | Trex® RainEscape® |
| Manufacturer | IBP, LLC |
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Questions & answers
Frequently asked questions
- How long is a roll of wall flash?
Each roll is 25' (7.62 m) long, 1" wide and 1/4" thick.
- How do I install it?
In short: cut a piece the width of the deck, peel off the release paper and stick it to the first deck board along the house. Then push the board against the house so the foam compresses and seals before you secure the decking. Always follow the full installation guide.

