Does it come with installation instructions? What's the best way to install it for maximum results?

1.Remove & Clean: Take off interior panels; clean and dry surfaces.

What's the difference between Aluminum Foil and Closed-cell Foam?What are the best sound deadening solutions for sound?

394mil Aluminum Foil excels in heat blocking. 157mil Closed-cell Foam(higher density) is better for soundproofing. For best results: combine 157mil foam with Butyl Sound Deadener (we stock this) to kill vibration and block noise effectively.

How do sound deadening materials work to reduce noise? Can it reduce road noise? Can it be used on car doors?

Yes, Closed-cell Foam reduces road noise through:1) Sound absorption (energy to heat conversion) 2) Acoustic impedance reflection 3) Mass law blocking of mid-high frequencies. Its structure effectively reduces road/wind noise transmission into cabin.

Does it require any special tools for the installation? Is a roller necessary?

Basic tools: gloves, utility knife, measuring tape. A roller is highly recommended to ensure proper adhesion of butyl/foam. Aluminum foil tape is essential for sealing seams. Keeping surfaces clean is crucial for optimal results.

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🔇 Silence the noise, feel the difference—your car’s new best-kept secret.

TRIPLE LAYER DURABILITY - Robust layers with strong adhesive prevent collapse and ensure long-lasting performance.
98 HEAT TRANSFER REDUCTION - Keep your car cooler and quieter, enhancing driving comfort and focus.
PREMIUM 4 MM CLOSED CELL FOAM - High-density foam ensures superior sound and heat insulation without compression.
EFFORTLESS 5 STEP INSTALLATION - Disassemble, clean, cut, paste, and reinstall—no pro skills needed to upgrade your ride.
UNIVERSAL FIT FOR MULTIPLE SURFACES - Perfect thickness for doors, hoods, trunks, floors, and firewalls—customize your car’s quiet zone.

AggSound’s 4mm Sound Deadening Mat features high-density closed-cell foam with a triple-layer design, delivering up to 98% heat transfer reduction and superior noise insulation. Its strong self-adhesive backing ensures easy installation across multiple vehicle surfaces, providing durable, long-lasting sound and heat dampening for a quieter, more comfortable driving experience.

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Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

¥15690

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TrustScore 4.5 | 7,300+ reviews

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The product exactly matches the description. Very satisfied with my purchase.

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Manufacturer	AggSound
Brand	AggSound
Model	01
Item Weight	2.46 pounds
Product Dimensions	17.32 x 9.06 x 5.51 inches
Item model number	01
Manufacturer Part Number	YY04PM24

Sound Deadening Mat 157mil(4 mm) 24.11sqft - Closed Cell Foam Car Sound Deadening Material - Self-Adhesive Hood Insulation Heat Shield Auto Sound Dampening

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