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DEI Boom Mat XL damping sheets, 12.5in x 24in, 4mm thick. This premium vibration damping material traps panel vibration between a stiff 4 mil aluminum top skin and an asphalt-free pure butyl noise-constraining layer, delivering extreme noise damping for demanding commercial and sound-competition applications. Easy-peel plastic release liner, no-snag adhesion and warranty-friendly dimensional stability let you achieve effective damping with just 25–50% coverage, saving weight and installation time.
DEI Boom Mat XL Damping Material - 12.5in x 24in x 4mm - 20.8 sq ft - 15 Pack
