GAC90512 DYNAMAT XTREME WEDGE PACK 1 SHEET PACK CONTAINS 1 X SHEET OF 457mm X 812mm?ÿ ?ÿ Dynamat XtremeA highly efficient, composite material designed to reduce noise, vibration & heat soak through panel work. It is made from butyl rubber with an aluminium foil layer and a self adhesive backing. The vibration and noise damping qualities make your car feel solid & create a luxury car feel; doors close with a reassuring clunk and no tinny rattles. Road noise is also reduced so cruising is a more relaxed experience.Recommended usage: Use on interior panel work. Ideal for floor pans, bulkheads, inner wings, inside roof panels & hard tops, doors, bonnet & boot lid. A minimum coverage of 30% panel area, centrally positioned, is recommended to reduce panel vibration and noise.