---
product_id: 634863049
title: "Sound Deadening Mat 3/4inch(20 mm) 6.54sqft - Car Sound Deadening Material Closed Cell Foam - Heat Insulation PE Foam Sound Deadener Material & Heat Barrier"
brand: "aggsound"
price: "€ 154.54"
currency: EUR
in_stock: true
category: "Agg Sound"
url: https://www.desertcart.hr/products/634863049-sound-deadening-mat-3-4inch-20-mm-6-54sqft-car
store_origin: HR
region: Croatia
---

# High-density 20mm foam for noise reduction Easy to cut & install 98% radiant heat blocked Sound Deadening Mat 3/4inch(20 mm) 6.54sqft - Car Sound Deadening Material Closed Cell Foam - Heat Insulation PE Foam Sound Deadener Material & Heat Barrier

**Brand:** aggsound
**Price:** € 154.54
**Availability:** ✅ In Stock

## Summary

> 🚗 Silence & Coolness, Engineered for the Modern Driver

## Quick Answers

- **What is this?** Sound Deadening Mat 3/4inch(20 mm) 6.54sqft - Car Sound Deadening Material Closed Cell Foam - Heat Insulation PE Foam Sound Deadener Material & Heat Barrier by aggsound
- **How much does it cost?** € 154.54 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/634863049-sound-deadening-mat-3-4inch-20-mm-6-54sqft-car)

## 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:** Durable closed-cell foam resists compression and won’t lose effectiveness over time, ensuring long-term sound and heat insulation.
- • **Whisper-Quiet Cabin:** High-density 20mm closed-cell foam dramatically reduces engine vibrations and road noise for a serene driving experience.
- • **Ultimate Thermal Shield:** Blocks up to 98% of radiant heat, keeping your ride cooler in summer and warmer in winter.
- • **Effortless DIY Installation:** Strong heat-resistant adhesive and flexible foam make trimming and fitting complex vehicle contours a breeze.
- • **Versatile Fit for Every Ride:** Designed to seamlessly fit doors, hoods, trunks, and firewalls without interfering with panel closure—perfect for cars, trucks, and RVs.

## Overview

AggSound’s 3/4 inch (20mm) Sound Deadening Mat offers 6.54 sqft of premium closed-cell foam insulation that blocks 98% of radiant heat and reduces road noise. Featuring a durable, heat-resistant adhesive and flexible design, it’s easy to cut and install on various vehicle surfaces, providing superior thermal insulation and vibration dampening for cars, trucks, and RVs.

## Description

Buy AggSound Sound Deadening Mat 3/4inch(20 mm) 6.54sqft - 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 20mm Foam] This 3-layer sound deadener blocks up to 98% of radiant heat and reduces road noise. Featuring 20mm 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 | B0CPXM4VD4 |
| Best Sellers Rank | #4,556 in Automotive ( See Top 100 in Automotive ) #9 in Automobile Insulation |
| Brand Name | AggSound |
| Coverage | 6 square feet |
| Customer Reviews | 3.9 3.9 out of 5 stars (32) |
| Included Components | car sound insulation |
| Item Dimensions L x W | 60"L x 16"W |
| Item Thickness | 0.5 Inches |
| Item Type Name | car sound insulation |
| Manufacturer | AggSound |
| Manufacturer Part Number | YY20PM06 |
| Material Type | 3/4inch |
| Model Number | YY20PM06 |
| Recommended Uses For Product | Automotive insulation, Marine insulation, Recreational vehicle insulation |
| Unit Count | 1.0 Count |

## Product Details

- **Brand:** AggSound
- **Item Thickness:** 0.5 Inches
- **Material:** 3/4inch
- **Product Dimensions:** 60"L x 16"W
- **Recommended Uses For Product:** Automotive insulation, Marine insulation, Recreational vehicle insulation

## Images

![Sound Deadening Mat 3/4inch(20 mm) 6.54sqft - 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/81Mxh4XuSkL.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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**Shop now:** [https://www.desertcart.hr/products/634863049-sound-deadening-mat-3-4inch-20-mm-6-54sqft-car](https://www.desertcart.hr/products/634863049-sound-deadening-mat-3-4inch-20-mm-6-54sqft-car)

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*Product available on Desertcart Croatia*
*Store origin: HR*
*Last updated: 2026-07-15*