SDBPRO20 20 Square Feet 4.5mm Ultra Thick Black Sound Deadening Kit - Five 18" x 32" Sheets

NVX Ultra Thick Sound Dampening Material Achieve the ultimate in sound insulation with NVX Ultra Thick Sound Dampening material, designed for those who demand maximum noise control and vibration reduction. At 4.5mm thick—more than twice the thickness of standard dampening materials—this product provides unparalleled soundproofing for your vehicle. Our advanced formulation not only blocks road noise but also absorbs vibrations with up to 70% greater effectiveness, resulting in a quieter, more immersive driving environment. Ideal for SPL competitors and high-impact applications, NVX Ultra Thick reduces unwanted panel flex, enhances audio clarity, and enables higher SPL levels without distortion. Perfect for areas such as doors, floors, and trunks, this material delivers a durable, easy-to-apply solution for those seeking the very best in sound quality and control. Product Details: NVX SDBBP45 Ultra Thick Sound Dampening Material 4.5mm, offering more than twice the thickness of stan