
DeckWise® Joist Tape™ - Butyl
WiseWrap® JoistTape™ Butyl Membrane Tape Joist tape is an essential component of a well-built deck! WiseWrap® JoistTape™ Butyl joist barrier tape Butyl is a self-sealing malleable polypropylene protective waterproof wood flashing membrane featuring a high-performance butyl hybrid self-adhering adhesive. It protects joists under the decking boards from premature wood rot, decay, and corrosion. JoistTape™ Butyl deck flash barrier features a high-performance butyl hybrid adhesive with a high strength nonslip polypropylene backing. Butyl joist barrier tape will self-seal around deck screws, nails and fasteners to prevent water infiltration, wood rot and lumber breakdown. Butyl joist tape is less temperature-sensitive for installation with a low range approximately 25F. This extends the building season in colder climates or at elevation and allows it to start earlier. It maintains its stickiness at much lower temperatures than non-butyl barrier tape. Meaning, application of the tape can be