The Self-Fusing Rubber Sealing Tape can be used to patch and seal roofs, window frames, gutters and vents. This tape is made out of a butyl rubber which has more give than EPDM rubber tape. Overall Thickness: 0.125 Inch Width: 12 Inch Length: 25 Ft. Adhesive Type: Self-Fusing Temperature Range: -20° to 180°F Tensile Strength, lbs./in. wd.: 10 Material: Butyl Rubber Color: Black