DEI Boom Mat XL Damping Material 12 1/2" x 24" (4mm) - 31.5 sq ft ,15 Sheets

Extra thick 4 mil aluminum stiffening top skin to keep interior panels from flexing and generating noise Worry-free no sag adhesion to any interior surface, vertical or overhead, even in the most demanding temperature extremes. First choice of the industries top custom car builders, restoration experts and luxury car OE Manufacturers. Interior panels vibrate and generate noise. Boom Mat stops that noise by trapping it between our thick, 4 mil aluminum stiffening top skin, and the asphalt free, pure butyl, noise constraining layer. Plus worry-free no sag adhesion to any interior surface, vertical or overhead, even in the most demanding of temperature extremes. Those quality components are what make Boom Mat Vibration Damping Material require only 25-50% coverage to get the job done. This saves weight, material cost and installation time.