---
product_id: 545253759
title: "Sound Deadening Mat 157mil(4 mm) 107.64sqft - Closed Cell Foam Car Sound Deadening Material - Self-Adhesive Hood Insulation Heat Shield Auto Sound Dampening"
brand: "aggsound"
price: "VT104615"
currency: VUV
in_stock: true
reviews_count: 8
category: "Agg Sound"
url: https://www.desertcart.vu/products/545253759-sound-deadening-mat-157mil-4-mm-107-64sqft-closed-cell
store_origin: VU
region: Vanuatu
---

# covers 107.64 sq ft area reduces 98% heat transfer 4mm dense closed cell foam Sound Deadening Mat 157mil(4 mm) 107.64sqft - Closed Cell Foam Car Sound Deadening Material - Self-Adhesive Hood Insulation Heat Shield Auto Sound Dampening

**Brand:** aggsound
**Price:** VT104615
**Availability:** ✅ In Stock

## Summary

> 🔇 Drive in Silence, Arrive in Style

## Quick Answers

- **What is this?** Sound Deadening Mat 157mil(4 mm) 107.64sqft - Closed Cell Foam Car Sound Deadening Material - Self-Adhesive Hood Insulation Heat Shield Auto Sound Dampening by aggsound
- **How much does it cost?** VT104615 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.vu](https://www.desertcart.vu/products/545253759-sound-deadening-mat-157mil-4-mm-107-64sqft-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

- • **Built to Last:** Anti-extrusion foam resists collapse, while sticky backing ensures it stays put through every drive
- • **Effortless Installation:** Five simple steps from prep to finish—no pro needed, fits doors, hoods, trunks & more
- • **Triple-Layer Powerhouse:** 4mm high-density foam + premium adhesive + easy-peel backing for lasting performance
- • **Tailored Thickness Options:** Choose from 4mm to 1 inch to perfectly match your vehicle’s unique insulation needs
- • **Ultimate Noise & Heat Barrier:** Slash unwanted noise and heat with 98% efficiency for a serene ride

## Overview

AggSound’s 4mm Sound Deadening Mat delivers premium closed cell foam insulation across 107.64 sq ft, cutting noise and heat transfer by up to 98%. Featuring a triple-layer design with high-adhesion backing, it’s engineered for easy installation and long-lasting durability, making it the go-to upgrade for millennial professionals seeking a quieter, cooler, and more comfortable driving experience.

## Description

Buy AggSound Sound Deadening Mat 157mil(4 mm) 107.64sqft - 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: Easy to use and did the job! - This worked perfectly to patch under hood insulation that was shredded by a squirrel. I just needed a small amount and this was a reasonable solution.

## Features

- [4mm High Quality Closed Cell Foam, Provide Better Sound & Heat Insulation] Our automotive sound deadener is composed of three layers of high quality material, including 4mm high density closed cell foam, high quality back glue and back paper.
- [Superior Noise and Heat Insulation] 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.
- [High-quality Material, Meet the Needs of Longer & Better Use] 4mm 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. 4mm unviersal thickness is more suitable for the car door, hood, trunk, floor, firewall and other parts of the vehicle. You do not have to worry about the phenomenon of not being able to install because the thickness is too large but the vehicle gap is not enough.
- [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 | B0BX3MN7TC |
| Best Sellers Rank | #3,343 in Automotive ( See Top 100 in Automotive ) #8 in Automobile Insulation |
| Brand | AggSound |
| Brand Name | AggSound |
| Coverage | 107 square_feet |
| Customer Reviews | 4.4 out of 5 stars 1,469 Reviews |
| Included Components | car sound insulation |
| Item Dimensions L x W | 39.4"L x 39.7"W |
| Item Thickness | 157 Mils |
| Item Type Name | car sound insulation |
| Manufacturer | AggSound |
| Material | 157mil-Closed Cell Foam |
| Material Type | 157mil-Closed Cell Foam |
| Product Dimensions | 39.4"L x 39.7"W |
| Unit Count | 107.0 Square Feet |

## Product Details

- **Brand:** AggSound
- **Item Thickness:** 157 Mils
- **Manufacturer:** AggSound
- **Material:** 157mil-Closed Cell Foam
- **Product Dimensions:** 39.4"L x 39.7"W

## Images

![Sound Deadening Mat 157mil(4 mm) 107.64sqft - 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/71dNfvaDNeL.jpg)
![Sound Deadening Mat 157mil(4 mm) 107.64sqft - 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/71hdOZr78gL.jpg)
![Sound Deadening Mat 157mil(4 mm) 107.64sqft - 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/71yYLf40PPL.jpg)
![Sound Deadening Mat 157mil(4 mm) 107.64sqft - 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/71KiNvdkvyL.jpg)
![Sound Deadening Mat 157mil(4 mm) 107.64sqft - 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/61PpFccOVzL.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.

### ⭐⭐⭐⭐⭐ Easy to use and did the job!
*by L***B on February 10, 2026*

This worked perfectly to patch under hood insulation that was shredded by a squirrel. I just needed a small amount and this was a reasonable solution.

### ⭐⭐⭐⭐ Perfect!
*by K***. on January 22, 2026*

Perfect for applying underneath slot car track to deaden sound. Quick delivery!

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*Product available on Desertcart Vanuatu*
*Store origin: VU*
*Last updated: 2026-03-02*