Description : Super Strong Adhesive Waterproof Permanent Repair Tape Butyl Rubber Aluminum Foil Tape. It maintains good flexibility, strong adhesion, and can withstand a certain degree of displacement, and the deformation has good followability. It has weather resistance, aging resistance and water resistance, and has a seal, vibration damping and protection on the surface. Very easy to use, just remove the peeled film and seal the butyl tape anywhere you need it. This sealing tape is widely used in building roofs, surface cracks, RV repairs, windows, marine seals, glass and roof repairs. Waterproof, sealed and resistant to UV rays (daylight). Super Strong Adhesive Once properly applied, the butyl molecules can blend into the working surface as one. The aluminum foil seals out flood in water with ease and do not need to set extra water block layer. Unlike many traditional putty tapes, Fowong upgraded wear-resistant aluminum layer can avoid fracture after scratching or heavy load. It can adapt to most kinds of weather; you can use the butyl seal tape between 5 to 113 degrees F. Its strong adhesive backing expertly insulate water and heat. Your ideal tool for Home, Auto, Outdoors and etc. Function : Multi-functional tape, easy to use. Thicker tape, more viscous and longer lasting. Repair wall cracks and use the roof for waterproofing. The smooth surface tape has a high reflectivity and is more thermally insulated. Aluminum foil material, not afraid of scratching, anti-friction, high temperature resistance.