The Dynamat DynaPad Heavy-Duty Automotive Insulation (SKU: 11101) is a premium, 3/8" thick under-carpet floor mat engineered specifically to solve two of the most challenging automotive cabin issues: low-frequency exhaust drone and intense floorboard heat. This industrial-grade insulation material uses a specialized four-layer composite barrier built on "Dissimilar Layer Insulating" technology. Weighing in at a heavy 1 lb/sq.ft, DynaPad is designed as the ultimate carpet pad upgrade for high-stress applications—such as large diesel trucks, modified muscle cars, and off-road vehicles that generate high levels of engine and exhaust noise. Advanced Four-Layer Dissimilar Composite Architecture Rather than relying on a single material, DynaPad layers structurally different compounds to capture and eliminate sound frequencies that standard insulation mats miss: Water & Oil Resisting Poly Facing: The top exterior layer features a rugged poly facing that completely repels automotive oils, spilled liquids, and tracking moisture. This creates an impermeable top shield that keeps your vehicle floorboards protected from dampness and rot. Dual Acoustic "Sound Soaker" Foam Layers: Features a heavy-duty vinyl mass barrier decoupled between two individual layers of highly efficient, acoustic foam. These foam layers isolate high-frequency road vibrations and trap airborne clatter. 1 lb/sq.ft Heavy Vinyl Barrier: Suspended in the center of the foam is a high-density, non-porous vinyl layer that acts as a physical wall to block low-frequency mechanical roar, tire slap, and exhaust hum. Thermal Isolation Block: The combined thickness of this four-part composite functions as a powerful thermal shield, keeping radiant exhaust pipe and transmission bellhousing heat from soaking upward into your interior cabin. High-Capacity 12 Sq. Ft. Coverage Footprint This package contains a single, non-adhesive flat sheet providing a total of 12 square feet of commercial-grade underlayment protection: The Cabin Floorboards: Fits perfectly across primary driver and passenger footwells to completely eliminate forward road and transmission hum. The Interior Firewall: Drops into place along the inside firewall to isolate loud diesel engine clatter and mechanical accessories. The Rear Deck & Trunk Floor: Spans across rear package shelves or flat trunk floors to intercept rear exhaust drone and fuel pump noise. Technical Specification Matrix Feature Metric Specification Detail Manufacturer Dynamat Product Line DynaPad Under-Carpet Pad Upgrade Total Kit Coverage Area 12.0 Sq. Ft. Total Sheet Dimensions 54" Wide x 32" Long Material Thickness 3/8" (9.5mm) Material Composition 4-Layer Composite with Dual Foam & Heavy Vinyl Core Material Weight 1 lb. Per Square Foot Environmental Defenses Weather-Resistant / Oil-Impermeable / Moisture-Proof Installation Method Loose Floating Underlayment (No Adhesive Required) 🛠️ Installation Best Practice: Because DynaPad is a thick, heavy, and highly stable composite material, it features no adhesive backing and is designed to sit as a floating pad directly beneath your factory carpet or vinyl flooring kit. This non-adhesive design allows the pad to be easily trimmed, adjusted, or completely removed and reused in another vehicle down the road. For absolute maximum results and to experience the true "Dynamat Difference," lay this DynaPad layer directly over an initial layer of Dynamat Xtreme vibration-damping mat.
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