AlumiBond creates an air and vapor barrier- The thick 4 mil aluminum backing combined with EternaBonds advanced MicroSealant creates a hard surface- AlumiBond bonds to a wide range of materials including carbon steel, aluminum, galvanized steel, aluminum foil, gypsum board, wood, rubber, tar, polypropylene, polystyrene, fiberglass, brick, concrete, masonry rubber, thermoplastics, single-ply roofing, etc- AlumiBond remains flexible to temperatures as low as -70 Degree Fahrenheit making it virtually impossible to thermally shock the roof causing a leak- AlumiBond is a high grade aluminum foil with a hybrid EternaBond Sealant- Fuses to rigid ductwork- Will never harden, crack or peel and fall off like other duct sealing products- Lasts as long as the ductwork- Features- Material - Synthetic Resin Thermoplastic Rubber Aluminum Backing-- Used For - Reseal Over Seams And Rivets-- Roof Type - Carbon Steel Aluminum Galvanized Steel Aluminum Foil Gypsum Board Wood Rubber Roofing-- Type - Duct Tape-- Length - 50 ft-- Width - 4 in- SKU: KSAO51991