Second, a below-the-joist type of system can trap moisture.The water hits the pan and runs out, but not before drenching the joists. First, they allow the wood to get wet repeatedly as rain drips through the deck boards, over the joists, and into the drainage system below.Watch how damaging an under-joist system can be in this video.īelow-joist drainage systems cause damage and wood rot in three ways: This difference in wood and rot protection is significant. Now that you’ve decided you want to include a drainage system with your new deck, how do you choose the right one? Here’s what you should look for: Over or Under Joist System?ĭifferent deck drainage systems can be installed either above or below the joists. Check out some of these creative storage ideas for under your deck. Everyone these days could use a little more storage. Nothing beats a hot tub in the quiet, private space beneath your two-story deck. Really great seating will make you want to spend more time on the deck! Perhaps you’d like to add a hammock or bed-sized swing. Instead of uncomfortable lawn chairs, maybe you need a couch and chairs with fun and functional cushions. Think about how you’d like to use your deck for yourself, your family, and for entertaining with friends. Add some screening, and you won’t even have to worry about the bugs. Eat outside without having to worry about the forecast with your under-deck living space. Install a full outdoor kitchen or roll out a portable cart to your patio table and chairs for your next dinner party.Be sure to buy a weatherproof TV for outdoor use. Add a big screen TV, sound system, comfortable seating, and a wet bar, and you instantly expand your party space by finishing the area beneath your two-story deck.With a protected area, you can be as creative as you like! Here are a few ideas: With a two-story deck, meaning you have an elevated deck to create a room beneath, you can install a ceiling to create a more finished living space with lights and fans. Instead of debating over having a deck vs patio, consider having both. Available in two widths – 1-5/8” (4.13 cm) for joists and 3-1/8” (7.94 cm) for beams, Trex Protect is a simple and cost-effection solution to combatting the damaging effects of both Mother Nature and Father Time.Why Install an Under-Deck Drainage System? Trex Protect Joist Tape and Beam Tape have a non-skid surface making it easier and safer to walk across during construction. As a result, it acts as a moisture barrier between wood and galvanized metal commonly used in construction hardware. This butyl-based self-adhesive tape is superior to asphalt-based joist tape and beam tape because it won’t bleed, dry out as quickly, or curl up and hold water. wrapping), which allows the wood to breathe. Trex Protect works on horizontal and vertical surfaces and is applied as a “cap” (vs. Trex Protect is a non-skid, self-adhesive deck flashing tape that is designed to shield the tops of joists, rim joists, ledger boards and beams from moisture that can lead to the development of rot and wood decay and the loosening of deck screws and fasteners. Installation of Rain Escape, or would like honest opinions aboutĬan be used instead of Caulk to seal seams and custom cutįor use with Trex Elevations metal decking. The DownspoutsĪre placed at the end of each deck bay and areĭesigned to fit both 12" or 16" joist spacing.Ĭaulk Joist & Roll Out the RainEscape® Troughs (Tape can replace Caulk) Score marks that line up with the inside of the The 12' and 16' (20 ML) troughs are designed forĭecks with 12" or 16" joist spacing. Once the Trex RainEscape deck drainage system is installed, homeowners can design an outdoor living space that includes lights, ceiling fans, an entertainment center, an outdoor kitchen and more. 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. Trex Rain Escape Deck Drainage and Trex Protect Joist/Beam Tape
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