Is RainTight Underdecking Waterproof? What a Water Diversion System Really Does

It’s one of the most common questions our Outdoor Living Specialists hear: “So once it’s installed, the space under my deck will be completely waterproof, right?” It’s an understandable assumption. The name has “RainTight” right in it, and the finished result looks a lot like an indoor ceiling. But RainTight Underdecking is a water diversion […]