Car Sound Deadening Mat 276MIL 19sqft - 12 Sheets 20"x12" Auto Sound Dampening & Heat Insulation for Door Hood Trunk Floor Firewall

Car Sound Deadening Mat 276MIL - 12 Sheets, 19sqft Heat & Noise Insulation

Quiet your cabin and regulate temperature with this professional-grade sound deadening mat. At 276MIL thick, each sheet delivers serious noise and vibration reduction across doors, floors, firewalls, hoods, trunks, and wheel arches. The peel-and-stick backing makes DIY installation fast and clean — no special tools required.

Key Features

• 276MIL Thick: Heavy-duty butyl rubber construction for maximum sound and vibration dampening
• 19 Square Feet Coverage: 12 sheets at 20"x12" each — enough for doors, floor, or trunk in most vehicles
• Dual Function: Reduces road noise AND insulates against engine, exhaust, and external heat
• Peel & Stick Installation: Self-adhesive backing — trim to size, peel, and press in place
• Versatile Application: Doors, firewall, hood, engine bay, trunk, wheel arches, floor, ceiling, tailgate
• Year-Round Comfort: Keeps cabin warmer in winter and cooler in summer

Specifications

Use Cases

• Reducing road and tire noise for a quieter cabin
• Insulating car doors and floor from heat and cold
• Dampening engine bay noise through firewall treatment
• Improving audio system performance by reducing panel resonance