KARNAK 550 Patch-N-Go self-sealing tapes are composed of highly adhesive butyl rubber compounds with either a protective aluminum film or absorbent fleece. These tapes were developed to quickly seal surfaces and stop the intrusion of moisture. The highly adhesive bond of 550 Patch-N-Go stays flexible in a wide range of temperatures for service use in all climates. Roofing and Exterior Products (REPS of Ohio) is proud to represent and offer Karnak Products. Contact REPS to learn more!