---
product_id: 516107877
title: "Sound Deadening Mat 157mil(4 mm) 24sqft - Car Sound Deadening Material Closed Cell Foam - Heat Insulation PE Foam Sound Deadener Material & Heat Barrier"
brand: "aggsound"
price: "$138.85"
currency: USD
in_stock: true
category: "Agg Sound"
url: https://www.desertcart.us/products/516107877-sound-deadening-mat-157mil-4-mm-24sqft-car-sound-deadening
store_origin: US
region: United States of America
---

# Reduces engine & road noise Blocks up to 98% radiant heat 4mm high-density closed-cell foam Sound Deadening Mat 157mil(4 mm) 24sqft - Car Sound Deadening Material Closed Cell Foam - Heat Insulation PE Foam Sound Deadener Material & Heat Barrier

**Brand:** aggsound
**Price:** $138.85
**Availability:** ✅ In Stock

## Summary

> 🔇 Drive Quiet, Ride Cool — Upgrade Your Cabin Vibes Now!

## Quick Answers

- **What is this?** Sound Deadening Mat 157mil(4 mm) 24sqft - Car Sound Deadening Material Closed Cell Foam - Heat Insulation PE Foam Sound Deadener Material & Heat Barrier by aggsound
- **How much does it cost?** $138.85 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/516107877-sound-deadening-mat-157mil-4-mm-24sqft-car-sound-deadening)

## 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

- • **Heat Barrier Mastery:** Stay cool in summer and warm in winter with superior radiant heat blocking.
- • **Premium 4mm Foam Shield:** Experience elite thermal insulation and noise reduction with dense closed-cell foam.
- • **Effortless DIY Installation:** Cut, trim, and apply with ease for a flawless, long-lasting finish.
- • **Versatile Fit for Every Ride:** Designed to contour doors, hoods, trunks, and firewalls without panel interference.
- • **Ultimate Noise & Vibration Blocker:** Transform your ride into a serene sanctuary by slashing engine and road noise.

## Overview

AggSound’s 4mm (157mil) Sound Deadening Mat offers 24.6 sq ft of premium closed-cell foam that blocks up to 98% of radiant heat and drastically reduces engine and road noise. Featuring a strong heat-resistant adhesive, it’s easy to cut and install on multiple vehicle surfaces, providing durable thermal insulation and vibration dampening for a quieter, more comfortable driving experience.

## Description

Buy AggSound Sound Deadening Mat 157mil(4 mm) 24sqft - Car Sound Deadening Material Closed Cell Foam - Heat Insulation PE Foam Sound Deadener Material & Heat Barrier: Insulation - desertcart.com ✓ FREE DELIVERY possible on eligible purchases

## Features

- [Premium 4mm Foam] This 3-layer sound deadener blocks up to 98% of radiant heat and reduces road noise. Featuring 4mm 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 | B0BNBV7WK6 |
| Best Sellers Rank | #2,808 in Automotive ( See Top 100 in Automotive ) #5 in Automobile Insulation |
| Brand Name | AggSound |
| Coverage | 24.6 square feet |
| Customer Reviews | 4.4 4.4 out of 5 stars (1,505) |
| Included Components | car sound insulation |
| Item Dimensions L x W | 110.2"L x 15.7"W |
| Item Thickness | 157 Mils |
| Manufacturer | AggSound |
| Manufacturer Part Number | YY04PM24 |
| Material Type | 157mil |
| Model Number | 01 |
| Recommended Uses For Product | for cars |
| Unit Count | 24.0 Square Feet |

## Product Details

- **Brand:** AggSound
- **Item Thickness:** 157 Mils
- **Material:** 157mil
- **Product Dimensions:** 110.2"L x 15.7"W
- **Recommended Uses For Product:** for cars

## Images

![Sound Deadening Mat 157mil(4 mm) 24sqft - Car Sound Deadening Material Closed Cell Foam - Heat Insulation PE Foam Sound Deadener Material & Heat Barrier - Image 1](https://m.media-amazon.com/images/I/71Nb3q3heoL.jpg)
![Sound Deadening Mat 157mil(4 mm) 24sqft - Car Sound Deadening Material Closed Cell Foam - Heat Insulation PE Foam Sound Deadener Material & Heat Barrier - Image 2](https://m.media-amazon.com/images/I/81yYzs9UN-L.jpg)
![Sound Deadening Mat 157mil(4 mm) 24sqft - Car Sound Deadening Material Closed Cell Foam - Heat Insulation PE Foam Sound Deadener Material & Heat Barrier - Image 3](https://m.media-amazon.com/images/I/71fifBIVyJL.jpg)
![Sound Deadening Mat 157mil(4 mm) 24sqft - Car Sound Deadening Material Closed Cell Foam - Heat Insulation PE Foam Sound Deadener Material & Heat Barrier - Image 4](https://m.media-amazon.com/images/I/71Vn7iWO-BL.jpg)
![Sound Deadening Mat 157mil(4 mm) 24sqft - Car Sound Deadening Material Closed Cell Foam - Heat Insulation PE Foam Sound Deadener Material & Heat Barrier - Image 5](https://m.media-amazon.com/images/I/71jSDT-rO2L.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.

## Frequently Bought Together

- AggSound 157mil 24sqft Roll Pack Sound Deadener for Cars-Auto Closed Cell Foam Noise Deadening Material-Heat Shield Insulation Dampening Mat
- LUMITECO Bearings Equipped Automotive Car Audio Sound Deadening Application Wheel Roller, Heat Abatement Mat Wallpaper Application PU Smoothing Tool Seam Roller
- Siless 80 mil (2mm) 36 sqft (3.4 sqm) Car Sound Deadening mat - Butyl Automotive Sound Deadener - Noise Insulation and Vibration Dampening Material (36 sqft)

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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-07-25*