Create a dry, useable space below your elevated deck with Trex RainEscape Deck Drainage System. Estimate your material needs today.

Installation videos, literature, and photos for installing the Trex RainEscape under-deck drainage system.

Trex RainEscape is an above-the-joist deck drainage system. Systems installed above the joist provide 100% protection of the deck substructure from moisture penetration. By comparison, an under-the-joist system allows water to run through the decking boards, over the joists, and into the drainage system below.

Trex RainEscape is a unique under-deck drainage system – a network of troughs and gutters–keeps rain, spills and snow melt from dripping through elevated deck boards, creating a dry patio area on the ground level below, perfect for adding lighting fixtures, ceiling fans, entertainment systems, and more. CREATE YOUR OUTDOOR LIVING ROOM

Trex RainEscape is a unique under-deck drainage system that uses a network of troughs and downspout construction to keep rain, snowmelt, and spills from dripping through elevated deck boards. Once installed, it keeps the space beneath the deck dry.

**If using double picture framing or double breaker boards, please call 1-877-348-1385 or email plans to info@trexrainescape.com for material list.**

You can add an under-deck ceiling system or deck roof with a deck drainage system and not worry about rain or ice dripping through your deck boards. The drainage system draws away water from your decking — Trex composite boards or wood deck boards —leaving you with many wonderful options:

Read Frequently Asked Questions on the Trex RainEscape Deck Drainage System. Learn more about the benefits, installation, and durability of Trex RainEscape. Menu

Use this type of system for elevated decks with 5 feet or more of space underneath. Pros: Easy to retrofit on existing decks; Budget-friendly; Systems like Zip-Up UnderDeck doubles as a ceiling, saving under-deck ceiling costs; Compatible with most ceiling systems; DIY-friendly; Cons: Doesn’t protect framing.

Trex RainEscape is an under-deck drainage system that uses a network of troughs and gutters to keep rain, spills and snowmelt from dripping through elevated deck boards creating a dry space below the deck.