TYVEK 72 mm x 66 m Barrier Tape

Adhesive tape that provides a continuous barrier against air and water infiltration; for use with DuPont(TM) Residential Weatherization Systems (other components sold separately)
Non-woven, non-perforated sheet of spunbonded and high density polyethylene with microscopic pores; allows moisture vapour to pass through, but resists air infiltration and water intrusion - Helps to protect a home from the elements, improves energy efficiency and prevent moisture from accumulating in walls - Easy to use DIMENSIONS: - 72 mm x 66 m