Rooted in years of building envelope expertise, DuPont™ Flashing Tape is a proven weapon against the elements during construction. This self-adhesive tape protects the heads and jams of rectangular windows and door, with bulk water holdout, air leakage control, and more.
DuPont™ Flashing Tape
Help protect heads and jambs of rectangular windows and doors from air and water intrusion with DuPont™ Flashing Tape. DuPont™ Flashing Tape helps protect the heads and jambs of rectangular doors and windows from air and water intrusion. Wind-driven rain and outdoor air can find their way into walls around windows and doors. By helping to seal the building envelope, self-adhered DuPont™ Flashing Tape can help reduce the risk of water damage, increase building comfort, and improve energy efficiency.
|Butyl rubber adhesive backing||
|Convenient roll widths||
|Water Vapor Permeability<sup></sup>||ASTM E96||perm||<1|
|Water Penetration Resistance<sup></sup>||ASTM E331 after thermal aging (0-120°F)||-||No leakage at 300 Pa|
|ASTM E331||Pa||No leakage at 300 Pa|
|Application Temperature<sup></sup>||-||-||Best when installed above 25°F|
|Material Standard<sup></sup>||-||-||Level 3 Thermal Exposure (80°C/176°F for 7 days)|
|AAMA 711-13||-||Class A (no primer)|
|Width (in.)||Length (ft.)|