![]() Do not stand anywhere other than the top of the floor joists, ledger, rim joists, or headers.Call a Trex RainEscape Specialist at 1-87 for recommendations. Do not use spiked hidden fasteners or any fastener without a flat base to provide pressure to butyl tape.Do not staple Trex RainEscape products anywhere other than into or over floor joists, ledger, rim joists, or headers.Ensure the troughs and downspouts are dry and clear of debris before applying tape.Finally, cover the Trex RainEscape system with deck boards.Cover all joists and blocking with trough material, then tape.Add outlets to the gutter every 12′ – 14′.Since you’re creating a waterproofing membrane system, you’ll have to take some necessary precautions to not puncture the system in a way that would create a leak. Trex RainEscape is not recommended for an existing deck unless you remove the deck boards. Call a trusted deck builder if you’re not up for a DIY project. To estimate the cost of your under-deck drainage system, check out this materials estimator. Use the Trex RainEscape butyl tape to cover all the joists and seams.Įnsure the tape completely covers all seams and anywhere a screw penetrates the Trex RainEscape system. Step 1: Install the Trex RainEscape Downspout It can also be helpful to have a midspan nailer on the underside of the joists to keep them straight. It covers and protects all of the wooden substructure and can be installed with a composite or wooden deck.Īre you interested in DIY home improvement? Check out this handy chart to find an over-the-joist drainage system that’s right for you! Under-Deck Drainage Installationįor DIY installation of your Trex RainEscape system, you will need: ![]() An over-the-joist deck drainage system such as Trex RainEscape provides 100% protection from the damage caused by wood repeatedly getting wet. A deck drainage system diverts water away from the joists and beams. Installing a deck drainage system during construction is the best way to waterproof under your entire deck. Watch this video to see what happens to wood with under-joist drainage systems. Over time, this is the perfect formula for your deck’s wood to rot.
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