---
product_id: 618014562
title: "Car Sound Deadening Mat 394mil 18.47sqft Car Material"
brand: "aggsound"
price: "¥26231"
currency: JPY
in_stock: true
category: "Agg Sound"
url: https://www.desertcart.jp/products/618014562-car-sound-deadening-mat-394mil-18-47sqft-car-material
store_origin: JP
region: Japan
---

# Reduces engine & road noise Blocks up to 98% radiant heat 10mm high-density foam Car Sound Deadening Mat 394mil 18.47sqft Car Material

**Brand:** aggsound
**Price:** ¥26231
**Availability:** ✅ In Stock

## Summary

> 🔇 Silence the road, feel the difference.

## Quick Answers

- **What is this?** Car Sound Deadening Mat 394mil 18.47sqft Car Material by aggsound
- **How much does it cost?** ¥26231 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/618014562-car-sound-deadening-mat-394mil-18-47sqft-car-material)

## Best For

- aggsound enthusiasts

## Why This Product

- Trusted aggsound brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **98% Radiant Heat Block:** Keep your cabin cooler in summer and warmer in winter effortlessly.
- • **Premium 10mm Foam Layer:** Experience superior sound and heat insulation with dense closed-cell foam.
- • **Durable & Easy Installation:** Strong adhesive and flexible material ensure a perfect fit that lasts.
- • **Vibration & Noise Reduction:** Enjoy a quieter, smoother ride by cutting engine vibrations and road noise.
- • **Versatile Fit for Any Vehicle:** Designed to contour doors, hoods, trunks, and firewalls with a simple 5-step install.

## Overview

AggSound’s 10mm closed-cell foam sound deadening mat covers 18.47 sqft with a durable, heat-resistant adhesive. It blocks up to 98% of radiant heat and significantly reduces engine and road noise, providing superior thermal insulation and vibration dampening for cars, trucks, and RVs. Easy to cut and install, it fits complex vehicle contours for a cooler, quieter ride year-round.

## Description

Buy AggSound Car Sound Deadening Mat 394mil 18.47sqft Car Material | 10mm Closed Cell Foam Heat Insulation PE Foam Sound Deadener for Car Floor Door: Insulation - desertcart.com ✓ FREE DELIVERY possible on eligible purchases

## Features

- [Premium 10mm Foam] This 3-layer sound deadener blocks up to 98% of radiant heat and reduces road noise. Featuring 10mm high-density closed-cell foam with strong adhesive, it provides superior thermal insulation for hoods, floors, and doors. Easy to cut and install, it delivers a cooler, quieter ride for cars, trucks, and RVs.
- [Quiet Ride & Vibration Deadener] Effectively reduces engine vibrations and road noise for a quieter cabin even in rainy or humid conditions. Acts as a thermal barrier to keep your vehicle cooler in summer and warmer in winter. Easy to trim and install for a clean, long-lasting look.
- [Durable & Easy Install] Made of high-density closed-cell foam that won't collapse or compress over time. Features heat-resistant, strong adhesive to stick firmly even in summer without falling off. Flexible material is easy to cut, trim, and fit complex contours yourself. The smooth backing peels easily for a clean, long-lasting finish on vehicle surfaces.
- [Wide Application] Features a simple 5-step process: disassemble, clean, cut, paste, and reassemble. This versatile material is engineered to fit tight gaps in car doors, hoods, trunks, and firewalls without interfering with panel closure. Ideal for sound deadening, heat shielding, and shock absorption in key vehicle areas.
- [A variety of different thicknesses to meet different needs] AggSound offers a variety of different thicknesses of insulation foam 4mm/6mm/8mm/10mm/0.25inch/0.5inch/1inch etc. to meet the different needs of the application.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0CPXP13CR |
| Best Sellers Rank | #6,366 in Automotive ( See Top 100 in Automotive ) #12 in Automobile Insulation |
| Brand Name | AggSound |
| Coverage | 159.6 square inches (estimated) |
| Customer Reviews | 4.3 4.3 out of 5 stars (571) |
| Included Components | Case |
| Item Dimensions L x W | 15.7"L x 13"W |
| Item Highlight | 10mm Closed Cell Foam Heat Insulation PE Foam Sound Deadener for Car Floor Door |
| Item Thickness | 10 millimeters |
| Item Type Name | insulation |
| Manufacturer | Aggsound |
| Manufacturer Part Number | YY10PM18 |
| Material Type | 394mil |
| Model Number | YY10PM18 |
| Number of Items | 1 |
| Recommended Uses For Product | automotive soundproofing and heat insulation, specifically for the hood and firewall |

## Product Details

- **Brand:** AggSound
- **Item Thickness:** 10 millimeters
- **Material:** 394mil
- **Product Dimensions:** 15.7"L x 13"W
- **Recommended Uses For Product:** automotive soundproofing and heat insulation, specifically for the hood and firewall

## Images

![Car Sound Deadening Mat 394mil 18.47sqft Car Material - Image 1](https://m.media-amazon.com/images/I/71BQSHQdoeL.jpg)

## Available Options

This product comes in different **Material Type, Style** options.

## Questions & Answers

**Q: Does it come with installation instructions? What's the best way to install it for maximum results?**
A: 1.Remove & Clean: Take off interior panels; clean and dry surfaces 2.Cut to Fit: Pre-cut insulation for doors, floor, and roof 3.Apply & Seal: Peel, stick, then seal seams with foil tape (sold separately) 4.Reinstall: Replace all interior components

**Q: What's the difference between Aluminum Foil and Closed-cell Foam?What are the best sound deadening solutions for sound?**
A: 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 (sold separately) to kill vibration and block noise effectively.

**Q: How do I properly install the Butyl + 157mil High-Density Closed-cell Foam combination?**
A: 1. Remove, Clean & Cut. 2. Apply butyl sheets(50–60% coverage is optimal), damping vibration, reducing low-frequency noise. 3. Install foam over butyl. Effectively blocks mid-high frequency noise. 4. Check. This combo ensures optimal noise reduction.

**Q: How do sound deadening materials work to reduce noise? Can it reduce road noise? Can it be used on car doors?**
A: 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.

**Q: Does it require any special tools for the installation? Is a roller necessary?**
A: Basic tools: gloves, utility knife, measuring tape. A roller (sold separately) 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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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-09-21*