5MM/10MM Car Sound Deadener & Heat Insulation Mat - Soundproofing Deadening Foam for Vehicle Hood, Floor & Doors

Upgrade your driving comfort and thermal regulation with this high-efficiency Car Sound Deadener and Heat Insulation Mat! Available in 5mm and 10mm thickness options, this multi-layer self-adhesive insulation sheet effectively dampens road noise, engine hum, and panel vibrations while blocking radiant heat transfer. Crafted from high-density closed-cell foam with a heavy-duty aluminum foil backing, it acts as both an acoustic barrier and a thermal shield. It keeps your cabin cooler in the summer, retains heat during winter, and reduces strain on your vehicle's air conditioning system. Waterproof, flame-retardant, and oil-resistant, this flexible mat can be easily cut to fit car hoods, doors, firewalls, trunks, roofs, and van side walls.

Key Features

• High-density closed-cell acoustic foam absorbs structural vibrations, engine noise, and road hum for a quieter cabin experience

• Heat-reflective aluminum foil shield blocks thermal radiation from the engine bay and sun to maintain comfortable cabin temperatures

• Waterproof, oil-proof & flame-retardant resistant to moisture, fuel spills, and high temperatures under the hood

• Self-adhesive peel-and-stick backing high-tack adhesive layer bonds firmly to metal panels, plastic, and fiberglass without extra glue

• Easy to trim & install flexible material conforms to complex vehicle curves, wheel wells, and door panels

Why Choose Our Thermal & Sound Insulation Mat

Unlike basic foam pads that absorb water and degrade under engine heat, this aluminum-backed insulation mat resists moisture accumulation and thermal breakdown. It delivers dual-action noise suppression and temperature control in a durable, easy-to-install package.

Perfect For

• Dampening vibration and road noise in car doors, trunks, floor pans, and roof liners

• Insulating engine hoods, firewalls, and transmission tunnels against heat

• Van conversions, camper builds, audio system upgrades, and classic car restorations

Specifications

• Product Title: Car Sound Deadener & Heat Insulation Mat (5mm/10mm)

• Thickness Options: 5mm / 10mm

• Material: High-Density Closed-Cell Foam + Thermal Aluminum Foil Backing

• Features: Self-Adhesive, Waterproof, Noise Dampening, Thermal Shield, Flame-Retardant

• Ideal Uses: Car Hoods, Doors, Floors, Trunks, Vans, RV Conversions, Camper Vans

Enjoy a quiet, cooler ride—claim your car sound deadening insulation mat today.