? Features: ?Instantly stop leakage! Good quality for long time use. ?Wide Operating Temperature Range, Safe and environmentally friendly. ?Excellent Waterproof performance, UV, temperature resistant, anti-friction. ?Fix, patch, seal, hold and protect almost any surface with the super sticky adhesive. ? How to use:   ?Make sure the surface is clean and dry before use.   ?Peel off to release the film and use the RV roof sealing tape.   ?Repeatedly press the butyl sealant until the tape is fully adhered to the surface.   ? Specifications: ?Waterproof and sweat resistance ?Strong viscosity ?High and low temperature resistance ?Affordable ?Multiple sizes are available ?Material: Aluminum Foil + Butyl ?Size: 5 cm W x 5 Meter L  ?Color: Silver  ? Package Include:  ?1  x  Aluminum foil tape  = 5m ? Note: 1. Make sure the construction surface is dry. 2. There should be no impurities on the construction surface, which will affect the viscosity of the tape. 3. The tape is too narrow to affect the waterproof effect. 4. Can not be used in the back of the water, it will fall off. 5. Roof waterproofing to find the vanishing point, responsible for no effect.