Tyvek Flashing Tape, 4"x100'
$32.92 / ROLL
Flashing Tape helps protect the heads and jambs of rectangular doors and windows from air and water intrusion. Flashing Tape is made from polypropylene film with a butyl rubber adhesive backing. In installed system water intrusion testing with no exterior cladding, it performed to ASTM E-331 standards, and shows no leakage at 300 Pa, even after thermal aging to 160O F.