157mil(4 mm) 36sqft Sound Deadening Mat - Closed Cell Foam Car Sound Deadening Material - Self-Adhesive Hood Insulation Heat Shield Auto Sound Dampening

Description

🔇 Silence the noise, feel the difference — your car’s new comfort zone.

AggSound’s 4mm Sound Deadening Mat features a high-density closed-cell foam core with a triple-layer design that blocks noise and reduces heat transfer by 98%. Its strong self-adhesive backing and easy peel paper enable quick installation across multiple vehicle areas, providing durable, long-lasting sound and heat insulation tailored for professional-grade automotive comfort.