EcotapeProduct Information Waterproof Decking Tape is a high performance, adhesive tape designed to protect your decking from moisture and prevent water damage. Made from durable, weather resistant materials, this tape is applied to the underside of decking boards to create a barrier that blocks water from seeping into the wood. By reducing moisture infiltration, it helps prevent wood rot, warping, and decay, extending the lifespan of your deck. Ideal for