---
product_id: 510418866
title: "Car Heat Sound Deadening Insulation Mat, 394mil 10.76sqft Sound Deadener & Heat Insulation Pad for Auto Hood Engine Roof Door and Trunk - 40 Inch x 40 Inch, Aluminum Foil Finish"
brand: "allwin"
price: "619 Lei"
currency: RON
in_stock: true
reviews_count: 8
category: "Allwin"
url: https://www.desertcart.ro/products/510418866-car-heat-sound-deadening-insulation-mat-394mil-10-76sqft-sound
store_origin: RO
region: Romania
---

# 10.76 sq.ft coverage area Blocks 98% radiant heat transfer 394 mil thickness for max insulation Car Heat Sound Deadening Insulation Mat, 394mil 10.76sqft Sound Deadener & Heat Insulation Pad for Auto Hood Engine Roof Door and Trunk - 40 Inch x 40 Inch, Aluminum Foil Finish

**Brand:** allwin
**Price:** 619 Lei
**Availability:** ✅ In Stock

## Summary

> 🛠️ Silence the noise, tame the heat—drive in comfort and style!

## Quick Answers

- **What is this?** Car Heat Sound Deadening Insulation Mat, 394mil 10.76sqft Sound Deadener & Heat Insulation Pad for Auto Hood Engine Roof Door and Trunk - 40 Inch x 40 Inch, Aluminum Foil Finish by allwin
- **How much does it cost?** 619 Lei with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ro](https://www.desertcart.ro/products/510418866-car-heat-sound-deadening-insulation-mat-394mil-10-76sqft-sound)

## Best For

- allwin enthusiasts

## Why This Product

- Trusted allwin brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Expansive Coverage:** Generous 10.76 sq.ft sheet size means fewer cuts and faster installation for a seamless fit.
- • **All-Weather Durability:** Operates flawlessly from -40°F to 300°F, resisting moisture and odors with closed-cell foam tech.
- • **Effortless Installation:** Self-adhesive, flexible sheets cut easily and stick firmly—no roller required, no mess.
- • **Ultimate Thermal Shield:** 394 mil thick aluminum foil finish locks out engine heat and keeps your cabin cool all summer long.
- • **Precision Sound Deadening:** Effectively reduces engine and road noise, creating a serene driving experience.

## Overview

This Car Heat Sound Deadening Insulation Mat features a robust 394 mil thickness and covers 10.76 sq.ft, delivering superior soundproofing and heat insulation. Its aluminum foil finish blocks up to 98% of radiant heat, ensuring your vehicle stays cooler in summer and warmer in winter. Designed for versatile automotive use, it’s waterproof, odorless, and easy to install with self-adhesive backing, making it the perfect upgrade for a quieter, more comfortable ride.

## Description

Strong sound insulation and absorption performance,heat insulation, Reducing energy consumption with strong performance of heat insution Strong self-viscous performance

Review: Works well, easy to cut, and sticks well - Easy to use, and cut. Not very forgiving of moving once placed, so don't peel till its ready to stick.
Review: quality sound control and insulation - worked great in a 1936 street rod build

## Features

- Sound deadening material size: Nominal thickness 394 mils; Total coverage area of 10.76 sq.feet; Nominal sheet Size 40x40 inches. The thicker the material the more effective insulation you get! working Temperature Range: -40°F ~ 300°F
- Heat Insulation and Vibration Deadener: Effectively blocks 98% of radiant heat transfer. Sound deadening mat is a very versatile insulation material with excellent thermal barrier properties that will block engine, exhaust, & summer heat, ensuring your vehicle stays cooler in the summer and warmer in the winter, making your ride more pleasant!
- Automotive self-adhesive insulation is a waterproof lightweight thermal deadener with a highly compressible closed-cell foam formulation, it absolutely doesn’t absorb moisture and has no odor
- The sound dampening mat can be applied to external partitions, firewalls, hoods, engine compartments, engine compartments, trunks, wheel arches, body panels, load floors, and internal partitions under the seat floor.
- The sound dampening material comes in handy size sheets which make it easier in terms of the cutting and installation process and it’s flexible which makes it easy to install with or without a roller.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0BN52MZCT |
| Batteries Included? | No |
| Batteries Required? | No |
| Best Sellers Rank | #108,636 in Automotive ( See Top 100 in Automotive ) #112 in Automobile Insulation |
| Color | Silver Tone |
| Coverage | 10.76 square_feet |
| Customer Reviews | 4.4 4.4 out of 5 stars (313) |
| Date First Available | November 23, 2022 |
| Included Components | sound deadening mat, thermal insulation |
| Item Weight | 1.04 pounds |
| Item model number | GYM40 |
| Part Number | GYM40 |
| Product Dimensions | 14 x 12 x 3 inches |
| Style | 40 x 40"(10.76sqft) |
| UPC | 616943705157 |

## Product Details

- **Brand:** ALLWIN
- **Item Thickness:** 394 Mils
- **Manufacturer:** ALLWIN
- **Material:** 394 Mil
- **Product Dimensions:** 40"L x 40"W

## Images

![Car Heat Sound Deadening Insulation Mat, 394mil 10.76sqft Sound Deadener & Heat Insulation Pad for Auto Hood Engine Roof Door and Trunk - 40 Inch x 40 Inch, Aluminum Foil Finish - Image 1](https://m.media-amazon.com/images/I/51AF62GIXkL.jpg)
![Car Heat Sound Deadening Insulation Mat, 394mil 10.76sqft Sound Deadener & Heat Insulation Pad for Auto Hood Engine Roof Door and Trunk - 40 Inch x 40 Inch, Aluminum Foil Finish - Image 2](https://m.media-amazon.com/images/I/71iBIwUVhGL.jpg)
![Car Heat Sound Deadening Insulation Mat, 394mil 10.76sqft Sound Deadener & Heat Insulation Pad for Auto Hood Engine Roof Door and Trunk - 40 Inch x 40 Inch, Aluminum Foil Finish - Image 3](https://m.media-amazon.com/images/I/71cP7VlmfgL.jpg)
![Car Heat Sound Deadening Insulation Mat, 394mil 10.76sqft Sound Deadener & Heat Insulation Pad for Auto Hood Engine Roof Door and Trunk - 40 Inch x 40 Inch, Aluminum Foil Finish - Image 4](https://m.media-amazon.com/images/I/71N4Kr7dODL.jpg)
![Car Heat Sound Deadening Insulation Mat, 394mil 10.76sqft Sound Deadener & Heat Insulation Pad for Auto Hood Engine Roof Door and Trunk - 40 Inch x 40 Inch, Aluminum Foil Finish - Image 5](https://m.media-amazon.com/images/I/81FES2Vk0dL.jpg)

## Available Options

This product comes in different **Material Type, Style** options.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Works well, easy to cut, and sticks well
*by K***H on August 29, 2025*

Easy to use, and cut. Not very forgiving of moving once placed, so don't peel till its ready to stick.

### ⭐⭐⭐⭐⭐ quality sound control and insulation
*by P***N on October 4, 2025*

worked great in a 1936 street rod build

### ⭐⭐⭐⭐⭐ Stuck and Quiet
*by G***T on September 8, 2025*

Very sticky and easy to cut…..I used 3m adhesive spray just to be sure but really wasn’t necessary. I use it on a Class A RV engine dog house cover. Very happy

## Frequently Bought Together

- Car Heat Sound Deadening Insulation Mat, 394mil 10.76sqft Sound Deadener & Heat Insulation Pad for Auto Hood Engine Roof Door and Trunk - 40 Inch x 40 Inch, Aluminum Foil Finish
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- Amazon Basics Car Sound Deadening Mat, 14.5" x 10", Pack of 10

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*Product available on Desertcart Romania*
*Store origin: RO*
*Last updated: 2026-02-20*