---
product_id: 653324813
title: "Sound Deadening Mat 1inch(25 mm) 6.54sqft - Closed Cell Foam Car Sound Deadening Material - Self-Adhesive Hood Insulation Heat Shield Auto Sound Dampening"
brand: "aggsound"
price: "¥25730"
currency: JPY
in_stock: true
reviews_count: 8
category: "Agg Sound"
url: https://www.desertcart.jp/products/653324813-sound-deadening-mat-1inch-25-mm-6-54sqft-closed-cell
store_origin: JP
region: Japan
---

# reduces 98% heat transfer 1 inch thick closed cell foam self-adhesive strong backing Sound Deadening Mat 1inch(25 mm) 6.54sqft - Closed Cell Foam Car Sound Deadening Material - Self-Adhesive Hood Insulation Heat Shield Auto Sound Dampening

**Brand:** aggsound
**Price:** ¥25730
**Availability:** ✅ In Stock

## Summary

> 🔇 Silence the noise, feel the difference — your ride’s new best-kept secret!

## Quick Answers

- **What is this?** Sound Deadening Mat 1inch(25 mm) 6.54sqft - Closed Cell Foam Car Sound Deadening Material - Self-Adhesive Hood Insulation Heat Shield Auto Sound Dampening by aggsound
- **How much does it cost?** ¥25730 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/653324813-sound-deadening-mat-1inch-25-mm-6-54sqft-closed-cell)

## 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

- • **Industrial-Grade Adhesive:** Stick it once, stick it right—our high-tack backing ensures a firm, lasting hold without peeling or tearing.
- • **98% Heat Transfer Reduction:** Keep your vehicle cooler and quieter by blocking nearly all unwanted heat and sound intrusion.
- • **Effortless 5-Step Installation:** No pro skills needed—clean, cut, peel, stick, and reinstall for a quick upgrade to your ride’s comfort.
- • **Versatile Application Spectrum:** From automotive hoods to floor carpet backing and even furniture padding, this mat adapts to your unique soundproofing needs.
- • **Premium 1-Inch Closed Cell Foam:** Experience superior noise and heat insulation with dense, durable foam that outperforms standard mats.

## Overview

AggSound’s 1-inch thick closed cell foam sound deadening mat offers 6.54 sqft of premium automotive insulation. Engineered with triple-layer construction and a powerful adhesive backing, it reduces heat transfer by 98% and significantly dampens noise and vibration. Ideal for cars, boats, RVs, and versatile enough for various insulation and cushioning applications, this mat delivers professional-grade soundproofing with easy DIY installation.

## Description

Buy AggSound Sound Deadening Mat 1inch(25 mm) 6.54sqft - Closed Cell Foam Car Sound Deadening Material - Self-Adhesive Hood Insulation Heat Shield Auto Sound Dampening: Insulation - desertcart.com ✓ FREE DELIVERY possible on eligible purchases

Review: As described, very sticky backing.. - Very sticky backing. Once it down ,its down. Good sound barrier, and help the vibration of the gas tank I carry on the truck.
Review: Expensive but works like nothing else. - Expensive but works like nothing else. Sure deadens sound on cab of ice cream truck. If you brush against it too hard it could tear or chip off but otherwise very durable. One inch thick and soft as a mat.

## Features

- [1 Inch High Quality Closed Cell Foam, Provide Better Sound & Heat Insulation] Our automotive sound deadener is composed of three layers of high quality material, including 1 inch high density closed cell foam, high quality back glue and back paper. It provides better noise insulation effect for your car so you can enjoy a more quiet and comfortable environment. At the same time, it effectively reduces 98% heat transfer. Product include: 16*60inch mat*1roll, total coverage area 6sqft.
- [High-quality Material, Meet the Needs of Longer & Better Use] 1 inch high quality closed cell foam has a higher anti-extrusion function compared with inferior foam product, so there is no need to worry about the collapse of the use process. Excellent adhesive has strong viscosity, which can ensure to stick firmly. High quality back paper is easy to to peel & install and not easy to tear.
- [Easy to Install, Wide Application] Aggsound heat shied pad is convenient in installation and operation. Just five steps can be completed: disassemble-clean-cute-paste-reinstallate.
- [Wide range of application]This sound and heat insulation material can be used in floor carpet backing, handicrafts, anti-vibration padding, furniture, to play a cushioning or sound and heat insulation effect.
- [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.. Different thicknesses of insulation foam to meet the different needs of the application.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0CRRCNHV5 |
| Best Sellers Rank | #2,737 in Automotive ( See Top 100 in Automotive ) #7 in Automobile Insulation |
| Brand | AggSound |
| Brand Name | AggSound |
| Coverage | 6 square feet |
| Customer Reviews | 4.3 out of 5 stars 1,679 Reviews |
| Included Components | car sound insulation |
| Item Dimensions L x W | 60"L x 16"W |
| Item Thickness | 1 Inches |
| Item Type Name | car sound insulation |
| Manufacturer | AggSound |
| Material | 1inch-Closed Cell Foam |
| Material Type | 1inch-Closed Cell Foam |
| Product Dimensions | 60"L x 16"W |
| Recommended Uses For Product | Automotive sound deadening and heat insulation for cars, boats, RVs, and other applications such as floor carpet backing, handicrafts, anti-vibration padding, and furniture Recommended Uses For Product Automotive sound deadening and heat insulation for cars, boats, RVs, and other applications such as floor carpet backing, handicrafts, anti-vibration padding, and furniture See more |

## Product Details

- **Brand:** AggSound
- **Item Thickness:** 1 Inches
- **Material:** 1inch-Closed Cell Foam
- **Product Dimensions:** 60"L x 16"W

## Images

![Sound Deadening Mat 1inch(25 mm) 6.54sqft - Closed Cell Foam Car Sound Deadening Material - Self-Adhesive Hood Insulation Heat Shield Auto Sound Dampening - Image 1](https://m.media-amazon.com/images/I/61j2OEqM6FL.jpg)
![Sound Deadening Mat 1inch(25 mm) 6.54sqft - Closed Cell Foam Car Sound Deadening Material - Self-Adhesive Hood Insulation Heat Shield Auto Sound Dampening - Image 2](https://m.media-amazon.com/images/I/71AMa6s65NL.jpg)
![Sound Deadening Mat 1inch(25 mm) 6.54sqft - Closed Cell Foam Car Sound Deadening Material - Self-Adhesive Hood Insulation Heat Shield Auto Sound Dampening - Image 3](https://m.media-amazon.com/images/I/71C55HvwUwL.jpg)
![Sound Deadening Mat 1inch(25 mm) 6.54sqft - Closed Cell Foam Car Sound Deadening Material - Self-Adhesive Hood Insulation Heat Shield Auto Sound Dampening - Image 4](https://m.media-amazon.com/images/I/71Vn7iWO-BL.jpg)
![Sound Deadening Mat 1inch(25 mm) 6.54sqft - Closed Cell Foam Car Sound Deadening Material - Self-Adhesive Hood Insulation Heat Shield Auto Sound Dampening - Image 5](https://m.media-amazon.com/images/I/81OsZsmsD3L.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.

## Customer Reviews

### ⭐⭐⭐⭐⭐ As described, very sticky backing..
*by C***. on January 10, 2026*

Very sticky backing. Once it down ,its down. Good sound barrier, and help the vibration of the gas tank I carry on the truck.

### ⭐⭐⭐⭐⭐ Expensive but works like nothing else.
*by L***T on December 22, 2025*

Expensive but works like nothing else. Sure deadens sound on cab of ice cream truck. If you brush against it too hard it could tear or chip off but otherwise very durable. One inch thick and soft as a mat.

### ⭐⭐⭐⭐ Good, with some things to note...
*by N***L on October 20, 2025*

Works decently enough. A few things to note. It tears quite easily. It sticks to your fingers and will tear if you are not careful when tryin to remove. Once its stuck, its stuck. It will be messy to remove if needed. It looks a little like neoprene as some suggest it is, but it is not. Just a basic low grade closed cell foam. It does the job for sound insulating though!

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-02-09*