How do I keep my deck dry underneath?
How do I keep my deck dry underneath? 3 Ways to Keep Dry Under Your DeckOne option is to cover the deck boards with a watertight membrane. If you're building a new deck or replacing your deck boards, you can use a system like Trex RainEscape, which installs in the joist spaces before you install the decking. What can I put under my deck to stop rain? The best way to waterproof under your deck is with a deck drainage system installed during construction. A drainage system diverts water away from the joists and beams. An over-the-joist deck drainage system...