Venture Tape Duct Joint Sealing Mastik Tape, Printed, UL-181B-FX Listed (2" x 100')

Venture Tape 1580P is a printed annealed aluminum foil coated with a heavy application of mastik adhesive. Provides an instant water resistant bond to most surfaces including sheet metal, duct board, flex duct, and duct wrap vapor barriers. Venture Tape 1580P meets UL181B-FX requirements and excels in demanding temperature and humidity applications and provides superior performance and durability over a wide range of environmental conditions. Primarily used for superior vapor sealing of metal ducts. 100 feet long.