---
product_id: 536746050
title: "157 mil (4mm) 36 sqft Car Sound Insulation, Closed Cell PE Foam Sound Deadening Mat, Self-Adhesive Noise Dampening, Waterproof, Heat Insulation Deadener Material, Heat Barrier"
brand: "aggsound"
price: "$150.36"
currency: USD
in_stock: true
category: "Agg Sound"
url: https://www.desertcart.us/products/536746050-157-mil-4mm-36-sqft-car-sound-insulation-closed-cell
store_origin: US
region: United States of America
---

# 157 mil thick foam for max noise reduction Thermal barrier keeps cabin comfy year-round Self-adhesive peel & stick, no tools needed 157 mil (4mm) 36 sqft Car Sound Insulation, Closed Cell PE Foam Sound Deadening Mat, Self-Adhesive Noise Dampening, Waterproof, Heat Insulation Deadener Material, Heat Barrier

**Brand:** aggsound
**Price:** $150.36
**Availability:** ✅ In Stock

## Summary

> 🔇 Drive Quiet, Live Loud: Upgrade Your Cabin Comfort Today!

## Quick Answers

- **What is this?** 157 mil (4mm) 36 sqft Car Sound Insulation, Closed Cell PE Foam Sound Deadening Mat, Self-Adhesive Noise Dampening, Waterproof, Heat Insulation Deadener Material, Heat Barrier by aggsound
- **How much does it cost?** $150.36 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/536746050-157-mil-4mm-36-sqft-car-sound-insulation-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

- • **Silence Your Ride:** High-density closed-cell PE foam absorbs road, engine, and tire noise for a serene cabin experience.
- • **Lightweight Yet Durable:** Much lighter than traditional butyl mats, providing shock absorption and waterproof protection without added bulk.
- • **Climate Control Champion:** Thick foam layer blocks heat transfer, reducing AC/heater load and enhancing energy efficiency.
- • **DIY Friendly Installation:** Strong self-adhesive backing means no glue or special tools—just peel, stick, and press for a perfect fit.
- • **Universal Fit, Ultimate Coverage:** 36 sqft of flexible mats fit doors, trunks, hoods, and more—perfect for sedans, SUVs, trucks, and RVs.

## Overview

AggSound’s 157 mil (4mm) closed-cell PE foam sound deadening mat offers 36 sqft of high-density, self-adhesive insulation designed to reduce road and engine noise while providing thermal insulation. Lightweight and waterproof, it fits all vehicle areas and installs easily without tools, enhancing ride comfort and energy efficiency year-round.

## Description

Buy AggSound 157 mil (4mm) 36 sqft Car Sound Insulation, Closed Cell PE Foam Sound Deadening Mat, Self-Adhesive Noise Dampening, Waterproof, Heat Insulation Deadener Material, Heat Barrier: Insulation - desertcart.com ✓ FREE DELIVERY possible on eligible purchases

## Features

- Effectively Absorbs Road & Engine Noise: The high-density closed-cell PE foam structure absorbs vibrations, reduces panel rattling, and dampens road noise, tire roar, and engine noise. Creates a noticeably quieter and more comfortable cabin environment without adding heavy mass
- Provides Thermal Insulation – Keeps Cabin Cooler in Summer & Warmer in Winter: The thick foam layer acts as a thermal barrier, helping to block heat transfer from the engine, exhaust, and outside air. Reduces the workload of your AC and heater, improving energy efficiency and ride comfort year-round
- Wide Application: This product consists of 34 pieces of 40*25 cm sound deadening mat. 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.
- Easy DIY Peel & Stick Installation: Comes with a strong self-adhesive backing – no extra glue, roller, or special tools required. Simply cut to size with scissors or a utility knife, peel off the liner, and press firmly onto clean, dry surfaces. Flexible foam conforms easily to curves and contours.( This product comes with installation instructions)
- Lightweight & Versatile – Fits All Vehicle Areas: Much lighter than butyl mats, making it ideal for doors, floors, roofs, trunks, hoods, wheel wells, and firewalls. Universal fit for sedans, SUVs, trucks, vans, and RVs. The 36 sqft roll provides ample coverage for most full-vehicle projects

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0BWCZMJ91 |
| Best Sellers Rank | #27,188 in Automotive ( See Top 100 in Automotive ) #42 in Automobile Insulation |
| Brand Name | AggSound |
| Coverage | 36 square feet |
| Customer Reviews | 4.3 4.3 out of 5 stars (137) |
| Included Components | car sound insulation |
| Item Dimensions L x W | 165.4"L x 15.7"W |
| Item Thickness | 157 Mils |
| Item Type Name | car sound insulation |
| Manufacturer | AggSound |
| Manufacturer Part Number | YY04PM36-1 |
| Material Type | Foam |
| Model Number | 01 |
| Unit Count | 36.1 Square Feet |

## Product Details

- **Brand:** AggSound
- **Item Thickness:** 157 Mils
- **Manufacturer:** AggSound
- **Material:** Foam
- **Product Dimensions:** 165.4"L x 15.7"W

## Images

![157 mil (4mm) 36 sqft Car Sound Insulation, Closed Cell PE Foam Sound Deadening Mat, Self-Adhesive Noise Dampening, Waterproof, Heat Insulation Deadener Material, Heat Barrier - Image 1](https://m.media-amazon.com/images/I/81I7WRI0iSL.jpg)

## Available Options

This product comes in different **Size** 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 United States of America*
*Store origin: US*
*Last updated: 2026-07-20*