ElastPro Super Waterproof Butyl Aluminum Foil Tape is a self- adhesive tape made of a Butyl Rubber Compound, self Protected by a single-sided release paper and other side reinforced aluminum foil. it is available in various sizes. Elastpro Super Waterproofing Aluminum Reinforced Butyl Tape is an economy flashing roll consisting of an aluminum top sheet with an adhesive butyl backing. It is the perfect solution for everyday flashing and waterproof maintenance repairs. can be cold Applied , is Waterproof , has Excellent adhesive properties at low temperatures and Excellent heat stability . It does Not flow under heat and shows No Oil Migration . It is Resistant to ageing and UV-rays . It is free from any solvents Applications Waterproofing,sealing and joining materials such as glass, steel, polycarbonate,wood, Aluminum,PVC, Industrial roofing, Pipes, Cable, Refrigeration Flashing Windows Waterproofing Vapour-Sealing Gutters Valleys Roofing, Tile Metal Pipework, Vents HVAC Sheds, Verandah''s Carports Water tanks and many other domestic applications. Rolls are available from 50mm to 150mm in 10m roll lengths and are frequently used by roofing and building professionals to repair older, damaged roofing surfaces and to protect against existing or potential leak situations. Why is Butyl better than Bitumen Excellent age resistance (much longer life) Bonds to virtually all non-porous standard building material UV Resistant (does not harden with time) No volatile organic content Self-healing properties No external heat required for most typical applications Wide thermal range usability