we are offering durastrip butyl. durastrip butyl is a self-adhesive sealing tape made of a butyl rubber compound, self-protected by a reinforced metal film in aluminium, available in various sizescolours. durastrip butyl is highly adhesive to all materials and especially to plastic, glass, steel, polycarbonate, wood and bitumen as well. durastrip butyl is self-protected by a metal film in aluminium, making it highly resistant to ageing and oxidizing caused by atmospheric and chemical agents. usessealing and joining materials such as glass, steel, plexiglas, polycarbonate, wood, aluminium pvc and most other common building materials. substrates compatibilitiesdurastrip butyl offers long lasting adhesion for the following substrates: cement based substrates- asbestos, concrete and vitrified tiles.metal based substrates- steel, aluminum, copper, zinc, mild steel, galvanized iron and other alloy products.polymers- polyethylene, polypropylene, polycarbonate, pvc and abs materials.