DEI Boom Mat Damping Spray | Spray-On Sound Deadener for Cars | Eliminate Road Noise | Dampen Vibrations | Enhance Car Audio | Covers 20 Sq Ft

SUPERIOR NOISE REDUCTION - DEI’s Boom Mat Spray-On sound deadener for cars eliminates road noise, squeaks, and vibrations, delivering a quieter, more comfortable ride while enhancing audio performance.. VERSATILE APPLICATION - Perfect for interior and exterior use, our spray-on sound deadener tackles hard-to-reach spots like trunk interiors, fender wells, undercarriages, rear quarters, and door panels. It also seals out moisture, preventing rust.. QUICK DRYING AND PAINTABLE - Dries in just 20 minutes and can be painted over in 6 hours, allowing for a fast, efficient application that matches any color scheme. It can also be applied to non-coated surfaces.. EXTREME HEAT RESISTANCE - Withstands temperatures up to 300°F, providing high-quality, long-lasting thermal and acoustic protection for your ride that won't crack or chip.. MAXIMUM COVERAGE - One 18 oz. canister covers up to 20 sq. ft., offering extensive coverage with an easy, spray-on application for both large and small projects. It can be applied in multiple layers for enhanced sound deadening.