6/22/2023 0 Comments Deck clip over trex rainescape![]() The following chart details your choices:īe sure to choose a deck drainage system that is simple to install, especially if this a project you are going to DIY. There are other drainage systems on the market. This type of system also helps to hold the screws and fasteners in place longer. On the other hand, an above-the-joist system such as the Trex RainEscape deck drainage system will provide 100% protection of all the joists and beams from moisture penetration. Finally, in the hot months of summer, high temperatures can cook trapped, wet wood and accelerates the rotting.The only ventilation is through the quarter-inch or less spaces between the top boards. ![]() If installing a ceiling beneath the decking, there’s no air coming in to dry out the wood. Next, this type of system can trap moisture.The water hits the pan and runs out, but not before drenching the joists. A below-joist system allows the wood to get wet over and over again as rain drips through the deck boards, over the joists, and into the drainage system below. ![]() Here are three reasons to be wary of a below-joist drainage system: Watch how damaging an under-joist system can be in this video. Making the right choice can mean the difference between having the wood rot on your joists in just a few years or protecting the wooden substructure. There are two options: above or below the deck joists drainage systems. While you can build your own under-deck drainage apparatus, the easiest - and guaranteed - approach is to choose a complete system.
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