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 jambs of rectangular windows and doors from bulk water intrusion, air leakage and more.
DuPont™ Flashing Tape
Enhance the long-term performance of your building openings with DuPont™ Flashing Tape. This easy-to-use self-adhered tape helps protect heads and jambs of rectangular windows and doors from intrusion by outdoor air, bulk water and wind-driven rain. By helping to better seal the building envelope, 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.)|