---
product_id: 769812564
title: "Sound Deadening Mat 1/4inch(7 mm) 6.54sqft - Car Sound Deadening Material Closed Cell Foam - Heat Insulation PE Foam Sound Deadener Material & Heat Barrier"
brand: "aggsound"
price: "€ 276.51"
currency: EUR
in_stock: true
reviews_count: 5
category: "Agg Sound"
url: https://www.desertcart.hr/products/769812564-sound-deadening-mat-1-4inch-7-mm-6-54sqft-car
store_origin: HR
region: Croatia
---

# reduces 98% heat transfer 0.25 inch dense closed cell foam easy 5-step installation Sound Deadening Mat 1/4inch(7 mm) 6.54sqft - Car Sound Deadening Material Closed Cell Foam - Heat Insulation PE Foam Sound Deadener Material & Heat Barrier

**Brand:** aggsound
**Price:** € 276.51
**Availability:** ✅ In Stock

## Summary

> 🔇 Silence Meets Cool: Drive in Comfort, Not Noise!

## Quick Answers

- **What is this?** Sound Deadening Mat 1/4inch(7 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?** € 276.51 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/769812564-sound-deadening-mat-1-4inch-7-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

- • **Heat Barrier Excellence:** Blocks up to 98% of heat transfer, keeping your car cooler and more comfortable.
- • **Customer-Centric Support:** Responsive 24-hour support ensures your installation and quality concerns are promptly addressed.
- • **Triple-Layer Construction:** Durable layers with strong adhesive guarantee long-lasting performance and easy peel-and-stick application.
- • **Universal Fit for Vehicles:** 7mm thickness fits perfectly on doors, hoods, trunks, floors, and firewalls without gap issues.
- • **Premium 1/4 Inch Closed Cell Foam:** High-density foam ensures superior sound and heat insulation without compression.

## Overview

AggSound's 1/4 inch (7mm) closed cell foam sound deadening mat offers 6.54 sqft of premium triple-layer insulation designed to reduce noise and block 98% of heat transfer. Engineered for easy installation with strong adhesive backing, it fits seamlessly in various vehicle parts, delivering a quieter, cooler ride with durable, anti-extrusion foam and reliable customer support.

## Description

AggSound Car Sound Insulation Mat 275mil 6sqft

Review: Good - Worked well, easy to apply
Review: Didn't work - This did not work that great.

## Features

- [1/4 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 1/4 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] 1/4 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. 7mm 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.
- [Superior Service, Meet Your Needs] Our goal at AggSound is to satisfy customers' quiet needs in all aspects. We are determined to provide high-quality sound & heat insulation products at affordable prices. In any case, you have questions on product quality or installation, please contact us in anytime, and we will respond within 24h.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0CRRBBTPN |
| Brand | AggSound |
| Brand Name | AggSound |
| Coverage | 6 square feet |
| Customer Reviews | 3.8 out of 5 stars 15 Reviews |
| Included Components | car sound insulation |
| Item Dimensions L x W | 152.4L x 40.6W Centimeters |
| Item Thickness | 0.25 Inches |
| Item Type Name | car sound insulation |
| Manufacturer | AggSound |
| Material | 1/4inch |
| Material Type | 1/4inch |
| Model Number | 01 |
| Product Dimensions | 152.4L x 40.6W Centimeters |
| Recommended Uses For Product | Car, Boat, RV Insulation |

## Product Details

- **Brand:** AggSound
- **Item Thickness:** 0.25 Inches
- **Material:** 1/4inch-Closed Cell Foam
- **Product Dimensions:** 152.4L x 40.6W Centimeters
- **Recommended Uses For Product:** Car, Boat, RV Insulation

## Images

![Sound Deadening Mat 1/4inch(7 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/718E4reOJ3L.jpg)
![Sound Deadening Mat 1/4inch(7 mm) 6.54sqft - 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/81Cm8D1VkOL.jpg)
![Sound Deadening Mat 1/4inch(7 mm) 6.54sqft - 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/71zG7GA2agL.jpg)
![Sound Deadening Mat 1/4inch(7 mm) 6.54sqft - 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 1/4inch(7 mm) 6.54sqft - 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/71C55HvwUwL.jpg)

## 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

### ⭐⭐⭐⭐⭐ Good
*by B***H on 28 March 2026*

Worked well, easy to apply

### ⭐⭐⭐ Didn't work
*by W***S on 6 June 2024*

This did not work that great.

### ⭐ Would not recommend
*by S***G on 9 February 2026*

Once you remove the paper liner it’s very hard to work with, it’s like having cotton candy on your fingers

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**Shop now:** [https://www.desertcart.hr/products/769812564-sound-deadening-mat-1-4inch-7-mm-6-54sqft-car](https://www.desertcart.hr/products/769812564-sound-deadening-mat-1-4inch-7-mm-6-54sqft-car)

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*Product available on Desertcart Croatia*
*Store origin: HR*
*Last updated: 2026-07-14*