Description: Sound deadening material is made from top quality odourless Butyl material with a fireproof aluminium outer coating, and will eliminate vibration, rattles and drumming on body panels including car and commercial vehicles. caravans, motorhomes, vans and machinery. Also suitable for speaker cabinets and many other applications. With its ultra-flexible characteristics sound deadening can be easily formed and moulded to the tightest of curves. It is also suitable for use in extremes of hot and cold temperatures, making it suitable for use on both the underside and internal body panels including under the bonnet. Our product is 100% waterproof will also prevent rust from forming on surfaces that are usually exposed to the elements. .