We are manufacturer of Butyl Sealant Strip that are used for sealing application in metallic roofing, double glazing, etc. 
It is synthetic rubber strip sealant designed for double glazing, extruded mastic sealing strips in various industrial and construction applications. This tape is used to seal dust, water and air. It adheres to steel, aluminium, treated metals, wood, glass, zinc, epoxies and many king of plastics. Life of this tape post application can be more than ten years.