The DuPont Tyvek 4 in. x 75 ft. Self-Adhesive Flashing Tape helps protect the heads and jambs of standard integral flange residential 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.
- Made from polypropylene film with a 100% butyl rubber adhesive backing
- Can be installed at external temperatures as low as 25°F (-4°C)
- Excellent adhesion to most common building materials
- Meets the AAMA 711-13 material standard: Class A (no primer) and Level 3 Thermal Exposure
- 120 days UV exposure