Dynamat 21100 3/8" 9.5mm Dynapad Heavy Duty Noise Barrier Matting
h2, h3 { color: #000080 !important; } h2 { font-weight: bold; margin-top: 1rem; margin-bottom: 0.5rem; } h3 { font-weight: bold; margin-top: 1rem; margin-bottom: 1rem; } Dynamat 21 100 Dynapad 3/8" 9.5mm Four-Layer Heavy Duty Noise Barrier Matting Sheet The Dynamat 21100 Dynapad is a 3/8" (9.5mm) four-layer composite noise barrier matting sheet measuring 54" x 32" (covering 12 square feet), designed for under-carpet sound barrier applications in automotive, residential, and commercial environments. The composite construction combines a 1 pound per square foot vinyl barrier sandwiched between two acoustic foam layers with a urethane top layer, rated for temperatures from minus 40 degrees to plus 107 degrees Celsius. Product overview The Dynapad is developed by the team behind Dynamat sound deadening and uses a multi-layer composite approach to noise reduction that differs from standard butyl damping sheets. Rather than damping panel vibration at the source, the Dynapad functions as a mass-loaded vinyl barrier that blocks airborne sound transmission through floors and panels when installed under carpet. The 1 pound per square foot vinyl barrier provides the mass required for effective sound blocking, with the acoustic foam layers on either side absorbing residual energy and decoupling the barrier from the floor surface. The urethane top layer provides durability and a stable surface for carpet installation. The extreme temperature rating of minus 40 to plus 107 degrees Celsius makes it suitable for automotive applications across all Australian conditions as well as residential and commercial flooring projects. Features and benefits Four-layer composite construction: Combines a 1 pound per square foot mass-loaded vinyl barrier with two acoustic foam layers and a urethane top layer for comprehensive noise blocking and absorption in a single sheet. Mass-loaded vinyl barrier: The 1 pound per square foot vinyl layer provides the mass required for effective airborne sound blocking through floors and panels, reducing road noise and impact noise transmission under carpet. Acoustic foam layers: Foam layers on both sides of the vinyl barrier absorb residual sound energy and decouple the barrier from the floor surface and carpet above for improved acoustic performance. Urethane top layer: The urethane surface provides durability and a stable base for carpet or matting installation over the Dynapad. Wide temperature rating: Rated for operation from minus 40 to plus 107 degrees Celsius, covering the full range of Australian automotive and general building environments. Versatile application: Suited to under-carpet installation in automotive interiors, residential flooring, and commercial dwellings, as well as other applications requiring acoustic barrier foam systems. Technical specs Specification Detail SKU 21100 Brand Dynamat Product Name Dynapad Type Four-layer composite noise barrier matting Thickness 3/8 inch (9.5mm) Sheet Size 54 x 32 inches Coverage 12 square feet per sheet Layer 1 Acoustic foam Layer 2 Mass-loaded vinyl barrier (1 lb per sq ft) Layer 3 Acoustic foam Layer 4 Urethane top layer Temperature Rating -40 degrees C to +107 degrees C Applications Automotive under carpet, residential and commercial flooring Frequently asked questions How does the Dynapad differ from Dynamat Xtreme?Dynamat Xtreme is a constrained-layer vibration damper that bonds to metal panels to stop panel resonance at the source. The Dynapad is a mass-loaded vinyl composite barrier designed to block airborne sound transmission through floors when installed under carpet. The two products are complementary and can be used together for maximum noise reduction. Is the Dynapad suitable for use in residential flooring applications?Yes. The Dynapad is designed for under-carpet noise barrier applications in both automotive and residential and commercial environments. What coverage does one sheet of Dynapad provide?Each sheet measures 54 x 32 inches, covering 12 square feet per sheet. Can the Dynapad be used in extreme temperature environments?Yes. The Dynapad is rated for temperatures from minus 40 to plus 107 degrees Celsius, covering the full range of Australian automotive and building conditions. Should the Dynapad be used with Dynamat Xtreme for best results?The two products serve different acoustic functions and are complementary. Dynamat Xtreme applied to the metal floor pan addresses panel vibration, while Dynapad installed over it under the carpet blocks residual airborne sound transmission. Using both together provides the most comprehensive noise reduction. Contact us for further guidance on combining these products for your specific application. 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