DuPont Flashing Tape is a premium, self-adhered window flashing solution designed to protect the heads and jambs of rectangular windows in both residential and commercial buildings. Made with DuPont Tyvek and a 100% butyl-based adhesive layer, this durable flashing tape bridges the gap between the rough opening and the building envelope, helping to prevent water intrusion and potential damage. The 4 in. x 75 ft. roll size makes it ideal for a variety of window installations, and the multicolor design ensures versatility. DuPont Flashing Tape meets key industry standards, including AAMA 711-07 for self-adhering flashing used in exterior wall fenestration products. When used as part of the DuPont Weatherization Systems, it can contribute toward U.S. Green Building Council LEED points, supporting sustainable and efficient building practices. Backed by a limited product warranty from DuPont, this flashing tape is trusted for its reliability and performance. For those seeking a dependable window 4 inch flash tape, DuPont Flashing Tape offers an effective solution for protecting vulnerable areas around window openings.