---
product_id: 561954117
title: "Car Heat Sound Deadening Insulation Mat, - 394 Mil 6.5 Sqft Automobile Sound Deadening & Heat Insulation Material for Auto Hood Engine Roof Door and Trunk,40 Inch x 24 Inch, Aluminum Foil Finish"
brand: "allwin"
price: "$65"
currency: NZD
in_stock: true
reviews_count: 8
category: "Allwin"
url: https://www.desertcart.nz/products/561954117-car-heat-sound-deadening-insulation-mat-394-mil-6-5
store_origin: NZ
region: New Zealand
---

# 6.5 sqft coverage for broad application 394 mil thickness for max heat block -40°F to 300°F working temperature range Car Heat Sound Deadening Insulation Mat, - 394 Mil 6.5 Sqft Automobile Sound Deadening & Heat Insulation Material for Auto Hood Engine Roof Door and Trunk,40 Inch x 24 Inch, Aluminum Foil Finish

**Brand:** allwin
**Price:** $65
**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, - 394 Mil 6.5 Sqft Automobile Sound Deadening & Heat Insulation Material for Auto Hood Engine Roof Door and Trunk,40 Inch x 24 Inch, Aluminum Foil Finish by allwin
- **How much does it cost?** $65 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.nz](https://www.desertcart.nz/products/561954117-car-heat-sound-deadening-insulation-mat-394-mil-6-5)

## 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

- • **All-Weather Durability:** Waterproof, odorless closed-cell foam that resists moisture and lasts through extreme temps.
- • **Ultimate Thermal Shield:** Blocks 98% of radiant heat to keep your ride cool in summer and warm in winter.
- • **Versatile Noise Control:** Effectively dampens engine, exhaust, and road noise for a quieter, more luxurious drive.
- • **Lightweight Yet Powerful:** Only 10.5 oz but delivers heavy-duty sound and heat insulation across multiple vehicle surfaces.
- • **Precision Fit & Easy Install:** Flexible, easy-to-cut sheets with strong self-adhesive backing for a seamless application.

## Overview

This 394 mil thick, 6.5 sqft aluminum foil finished sound deadening mat offers superior heat insulation and noise reduction for vehicles. Designed to withstand temperatures from -40°F to 300°F, it blocks 98% of radiant heat and reduces engine and road noise. Lightweight, waterproof, and odorless, it installs easily with a strong self-adhesive backing, making it ideal for hoods, doors, trunks, and more.

## Description

394 mil (10 mm) Car Sound Deadening & Heat Insulation Closed Cell Foam - PE Foam Sound DeadenerStrong sound insulation and absorption performance, heat insulation, Reducing energy consumption with the strong performance of heat insulationStrong 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 6.5 sqft; Nominal sheet Size 40x24 inches. 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 | B0CD1GDK95 |
| Batteries Included? | No |
| Batteries Required? | No |
| Best Sellers Rank | #91,323 in Automotive ( See Top 100 in Automotive ) #111 in Automobile Insulation |
| Color | Silver Tone |
| Coverage | 6.5 sqft |
| Customer Reviews | 4.4 4.4 out of 5 stars (306) |
| Date First Available | July 28, 2023 |
| Included Components | Sound deadening mat |
| Item Weight | 10.5 ounces |
| Item model number | ALL1040 |
| Part Number | ALL1040 |
| Product Dimensions | 40 x 24 x 0.04 inches |
| Style | 40 x24Inch-6.5Sqft |
| UPC | 616943701562 |

## Product Details

- **Brand:** ALLWIN
- **Item Thickness:** 394 Mils
- **Manufacturer:** ALLWIN
- **Material:** 394 Mil
- **Product Dimensions:** 40"L x 24"W

## Images

![Car Heat Sound Deadening Insulation Mat, - 394 Mil 6.5 Sqft Automobile Sound Deadening & Heat Insulation Material for Auto Hood Engine Roof Door and Trunk,40 Inch x 24 Inch, Aluminum Foil Finish - Image 1](https://m.media-amazon.com/images/I/51AF62GIXkL.jpg)

## Questions & Answers

**Q: What’s the difference between 197 and 394? Mil. I see the 394 is higher**
A: The Siless sound deadener thermal shield max is a good 16th of an inch thicker and not as pliable

**Q: How much does it weigh???**
A: Using a digital bathroom scale 1 pound per 11 3/4” X 15 3/8” sheet each

**Q: Is this fire proof as I dont have alot of clearance between engine and cover ?**
A: As I understand, it's not fire proof but it's fire resistant .

## 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

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.nz/products/561954117-car-heat-sound-deadening-insulation-mat-394-mil-6-5](https://www.desertcart.nz/products/561954117-car-heat-sound-deadening-insulation-mat-394-mil-6-5)

---

*Product available on Desertcart New Zealand*
*Store origin: NZ*
*Last updated: 2026-01-25*