Features Leakage Prevention: Butyl Tape Can Effectively Seal Joints, Prevent Gas, Moisture And Noise Penetration, And Improve The Sealing And Sound Insulation Performance of Buildings Effective Waterproof: Aluminum Foil Tape Has Excellent Waterproof Performance, Can Effectively Block Water Penetration, Protect The Bonded Object From Humidity And Other Environmental Effectsipment Corrosion Resistant: Butyl Tape Can Resist The Erosion of Corrosive Substances Such As Acid And Alkali, And Is Suitable for Engineering And Equipment In Various Corrosive Environments Weather Resistance: Butyl Waterproof Tape Has Good Weather Resistance, Can Be Used for A Long Time in Harsh Climatic Conditions, And Is Not Easy to Be Damaged by External Factors Such As Sunshine, Rain, Wind And Sand Wide Application: Aluminum Foil Butyl Tape Can Be Used for Roof Cracks, Windowsills Edges, Pvc Pipes, Colored Steel Tile Cracks, Silicone Hoses, Colored Steel And Wall Jointswide Application: Aluminum Foil Butyl Tape Can Be Used for Roof Cracks, Windows Specification: Item Type: Butyl Tape Material: Aluminum foil and butyl Product Size: Approx. 1mm / 0.04in x 100mm / 3.94in x 5meter / 16.4ft Package List: 1 x Butyl Tape Package List 1 x Butyl Tape