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.