The smooth surface tape has a high reflectivity and is more thermally insulated. Waterproof, sealed and chemically resistant, UV resistant (sunshine). Very easy to use, just peel off the released film and then apply this butyl sealant tape to anywhere needed. It has weather resistance, aging resistance and water resistance, and has a sealing, vibration damping and effect on the surface. 100% brand new and hush quality. Aluminum foil material, not afraid of scratching, anti-friction, high temperature resistance. It can maintain flexibility, adhesion, can withstand a certain degree of displacement, and deformation has good followability Widely used in roofing of the building, surface , RV repair, window, boat Sealing, glass and roof patching.