(X 50 ft) – All Weather & UV Resistant Linerless Tape for Decking, Wood, Beams with Advanced Acrylic Adhesive – 13 mils – Black. All-weather, high-performance FrogTape Pro Grade Deck and Joist Flashing Tape is ideal for waterproofing deck joists, stair stringers and ledger boards with a layer of protection in residential construction applications.