---
product_id: 769812789
title: "1/4inch Thickened Sound Deadener for Multiple Use,High Density Foam with Adhesive,for Car, Boat, RV Shield Insulation Dampening Mat,107sqft"
brand: "aggsound"
price: "$798.60"
currency: USD
in_stock: true
category: "Agg Sound"
url: https://www.desertcart.us/products/769812789-1-4inch-thickened-sound-deadener-for-multiple-use-high-density
store_origin: US
region: United States of America
---

# Reduces 98% heat transfer 1/4 inch thick high-density foam Strong adhesive for firm installation 1/4inch Thickened Sound Deadener for Multiple Use,High Density Foam with Adhesive,for Car, Boat, RV Shield Insulation Dampening Mat,107sqft

**Brand:** aggsound
**Price:** $798.60
**Availability:** ✅ In Stock

## Summary

> 🔇 Silence the noise, amplify your comfort.

## Quick Answers

- **What is this?** 1/4inch Thickened Sound Deadener for Multiple Use,High Density Foam with Adhesive,for Car, Boat, RV Shield Insulation Dampening Mat,107sqft by aggsound
- **How much does it cost?** $798.60 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/769812789-1-4inch-thickened-sound-deadener-for-multiple-use-high-density)

## 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

- • **Versatile Multi-Use:** Perfect for cars, boats, RVs, furniture & crafts
- • **Effortless Installation:** Peel-and-stick design fits car doors, floors, trunks & more
- • **Triple-Layer Construction:** High-quality foam, adhesive, and backing for durability
- • **Premium 1/4 Inch Thickness:** Optimal density for superior sound & heat insulation
- • **Customizable Thickness Options:** Choose from multiple thicknesses to fit your exact needs

## Overview

Aggsound’s 1/4 inch thickened sound deadener features high-density closed cell foam with a triple-layer design that blocks 98% of heat transfer and significantly reduces noise. Its strong adhesive backing ensures easy, secure installation across vehicles and other applications, covering 107 square feet per roll. Durable, versatile, and customizable, it’s engineered for professionals seeking a quieter, cooler environment.

## Description

1/4inch(6.5mm) Foam Insulation

## 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.
- [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.
- [Wide range of application]This sound and heat insulation material can be used in floor carpet backing, handicrafts, anti-vibration padding, furniture, to play a cushioning or sound and heat insulation effect.
- [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.. Different thicknesses of insulation foam to meet the different needs of the application.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0D7CMPYYG |
| ASIN  | B0D7CMPYYG |
| Brand Name | AggSound |
| Coverage | 107 square feet |
| Customer Reviews | 4.4 4.4 out of 5 stars (23) |
| Customer reviews | 4.4 4.4 out of 5 stars (23) |
| Date First Available  | 22 December 2024 |
| Included Components | 1/4inch Foam Insulation |
| Item Thickness | 0.25 Inches |
| Item Type Name | automotive-soundproofing-kits |
| Item model number  | 01 |
| Manufacturer | Aggsound |
| Manufacturer  | Aggsound |
| Material Type | 1 inch Foam |
| Model Number | 01 |
| Product Dimensions  | 102 x 30 x 30 cm; 3.06 kg |
| Recommended Uses For Product | Automotive sound deadening and heat insulation |
| Unit Count | 1.0 Count |

## Product Details

- **Brand:** AggSound
- **Item thickness:** 0.25 Inches
- **Manufacturer:** Aggsound
- **Material:** 1 inch Foam
- **Recommended uses for product:** Automotive sound deadening and heat insulation

## Images

![1/4inch Thickened Sound Deadener for Multiple Use,High Density Foam with Adhesive,for Car, Boat, RV Shield Insulation Dampening Mat,107sqft - Image 1](https://m.media-amazon.com/images/I/718E4reOJ3L.jpg)
![1/4inch Thickened Sound Deadener for Multiple Use,High Density Foam with Adhesive,for Car, Boat, RV Shield Insulation Dampening Mat,107sqft - Image 2](https://m.media-amazon.com/images/I/81z4sY3IIKL.jpg)
![1/4inch Thickened Sound Deadener for Multiple Use,High Density Foam with Adhesive,for Car, Boat, RV Shield Insulation Dampening Mat,107sqft - Image 3](https://m.media-amazon.com/images/I/71zG7GA2agL.jpg)
![1/4inch Thickened Sound Deadener for Multiple Use,High Density Foam with Adhesive,for Car, Boat, RV Shield Insulation Dampening Mat,107sqft - Image 4](https://m.media-amazon.com/images/I/71Vn7iWO-BL.jpg)
![1/4inch Thickened Sound Deadener for Multiple Use,High Density Foam with Adhesive,for Car, Boat, RV Shield Insulation Dampening Mat,107sqft - Image 5](https://m.media-amazon.com/images/I/71C55HvwUwL.jpg)

## Available Options

This product comes in different **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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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-06-03*