Leak seal waterproof tape. waterproof wall crack,roof ,tanks repair tape. can withstand high temperature and pressure. size 5meters*5cm also in: 10m by 5cm 800 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. note: 1. make sure the surface is dry. 2. there should be no impurities on the surface, which will affect the viscosity of the tape. 3. can not be used on the back of the water, will fall off. 4. roof waterproofing to find the leak point. waterproof tape high temperature resistance aluminum foil thicken butyl tape wall pool roof crack duct repair sealed self tape.