---
product_id: 3557266
title: "Design Engineering 50220 Boom Mat Deadening Spray | Spray-On Sound Deadener for Cars | Eliminate Road Noise | Dampen Vibrations | Enhance Car Audio | Covers 20 Sq Ft"
brand: "design engineering"
price: "€ 51.94"
currency: EUR
in_stock: true
reviews_count: 7
url: https://www.desertcart.fi/products/3557266-design-engineering-50220-boom-mat-deadening-spray-spray-on-sound
store_origin: FI
region: Finland
---

# Up to 20 sq ft coverage Heat resistant to 300°F Dries in 20 minutes Design Engineering 50220 Boom Mat Deadening Spray | Spray-On Sound Deadener for Cars | Eliminate Road Noise | Dampen Vibrations | Enhance Car Audio | Covers 20 Sq Ft

**Brand:** design engineering
**Price:** € 51.94
**Availability:** ✅ In Stock

## Summary

> 🔇 Drive quieter, ride smarter — silence is the new luxury.

## Quick Answers

- **What is this?** Design Engineering 50220 Boom Mat Deadening Spray | Spray-On Sound Deadener for Cars | Eliminate Road Noise | Dampen Vibrations | Enhance Car Audio | Covers 20 Sq Ft by design engineering
- **How much does it cost?** € 51.94 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.fi](https://www.desertcart.fi/products/3557266-design-engineering-50220-boom-mat-deadening-spray-spray-on-sound)

## Best For

- design engineering enthusiasts

## Why This Product

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

## Key Features

- • **Fast-Dry, Paint-Ready Finish:** Dries in 20 minutes and paintable in 6 hours to match your car’s style seamlessly.
- • **Maximize Your Sound Investment:** One can covers 20 sq ft with easy layering for custom sound deadening power.
- • **Built to Withstand Extreme Heat:** Maintains performance and durability up to 300°F without cracking or chipping.
- • **Versatile Coverage for Every Nook:** Perfect for tricky spots like fender wells, trunks, and door panels—no area left untreated.
- • **Silence the Road, Amplify Your Ride:** Spray-on tech eliminates road noise & vibrations for a premium audio experience.

## Overview

Design Engineering’s Boom Mat Deadening Spray is a high-performance, spray-on sound deadener designed to reduce road noise, vibrations, and squeaks in vehicles. Covering up to 20 sq ft per 18 oz can, it dries quickly in 20 minutes and can be painted over after 6 hours. Its heat resistance up to 300°F ensures long-lasting durability, while its versatile application reaches hard-to-access areas, enhancing both comfort and audio quality for a premium driving experience.

## Description

50220 Boom Mat Deadening Spray | Spray-On Sound Deadener for Cars | Eliminate Road Noise | Dampen Vibrations | Enhance Car Audio | Covers 20 Sq Ft

## Features

- SUPERIOR NOISE REDUCTION - DEI’s Boom Mat Spray-On sound deadener for cars eliminates road noise, squeaks, and vibrations, delivering a quieter, more comfortable ride while enhancing audio performance.
- VERSATILE APPLICATION - Perfect for interior and exterior use, our spray-on sound deadening tackles hard-to-reach spots like trunk interiors, fender wells, undercarriages, rear quarters, and door panels. It also seals out moisture, preventing rust.
- QUICK DRYING AND PAINTABLE - Dries in just 20 minutes and can be painted over in 6 hours, allowing for a fast, efficient application that matches any color scheme. It can also be applied to non-coated surfaces.
- EXTREME HEAT RESISTANCE - Withstands temperatures up to 300°F, providing high-quality, long-lasting thermal and acoustic protection for your ride that won't crack or chip.
- MAXIMUM COVERAGE - One 18 oz. canister covers up to 20 sq. ft., offering extensive coverage with an easy, spray-on application for both large and small projects. It can be applied in multiple layers for enhanced sound deadening.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | Design Engineering |
| Brand | Design Engineering |
| Model | Boom Mat |
| Item Weight | 1.39 pounds |
| Product Dimensions | 9.38 x 2.69 x 2.69 inches |
| Item model number | 50220 |
| Is Discontinued By Manufacturer | No |
| Manufacturer Part Number | 50220 |
| OEM Part Number | 050220 |
| Position | Rear |

## Images

![Design Engineering 50220 Boom Mat Deadening Spray | Spray-On Sound Deadener for Cars | Eliminate Road Noise | Dampen Vibrations | Enhance Car Audio | Covers 20 Sq Ft - Image 1](https://m.media-amazon.com/images/I/71xg+fZfd-L.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Saved my rattling subwoofer compartment
*by K***. on February 12, 2025*

This stuff is amazing. A little messy… But if you know what you’re in for it works wonders. My whole chassis was vibrating from a subwoofer upgrade to my rear quarter panel. Used this to coat the inside of the subwoofer cavity and it did exactly as it should. Nice and quiet. Will be using this again.

### ⭐⭐⭐⭐⭐ Truly the best of Amazon!
*by S***Y on January 28, 2016*

I drive a 1989 Toyota MR2. This vehicle happens to have the engine, and transmission in the middle of the car for weight distribution purposes. They car idles at 2000 RPM when cold, which produces a tremendous amount of noise and vibrations. Also on the road, especially the open highway, they car SCREAMS doing 65 mph at 4000 RPM. Something had to be done. BOOM MAT. I lined roughly 40% of the engine lid surface area with boom mat, and the results are awesome. I had plenty of boom mat left, so I applied it to various parts of the engine bay's panels. Perfect. Now the car is quiet and smooth. I can now hear the air coming out of my vents, and other little things inside the car that I could never hear before. I highly recommend this product for sound and vibration dampening purposes. All you have to do is wipe the surface down, to remove all the dirt, and dust. If there are any sensitive areas (nuts/bolts/VIN info) just go ahead and throw painters tape over it. From about five inches out, go ahead and coat the surface liberally. If it's a hard to reach surface, carefully use the straw attachment. Let it dry for the prescribed amount of time. This is literally a super thick, sound/vibration substance. If there is any unwanted boom mat overspray, I recommend carefully using some brake cleaner on a soft cloth, and gently rub it off(before it dries). It's meant to last, but you don't want to damage any paint in the removal process. BOOM MAT in a can is truly the best of Amazon!

### ⭐⭐⭐⭐ Good stuff but buy double what you think. Doesn't cover 20sf
*by B***. on April 15, 2025*

I bought this to sound proof my Fox Box as it has fiberglass tubs. I'd estimate each tub to be approx. 2-2.5 SF inside as well as outside. I was only able to spray the insides of both before running out of spray. Way short of the 20 SF the can says it covers. Considering Amazon only has this on 2 day delivery, my project is cut short and I have to wait 2 days to finish. The stuff is great and easy to spray BUT ORDER AN EXTRA CAN! 1 can only covers 1/2 of what they say.....maybe less. Good stuff though! 4 stars due to lack of coverage.

## Frequently Bought Together

- Design Engineering DEI Boom Mat Damping Spray | Spray-On Sound Deadener for Cars | Eliminate Road Noise | Dampen Vibrations | Enhance Car Audio | Covers 20 Sq Ft
- LUMITECO Bearings Equipped Automotive Car Audio Sound Deadening Application Wheel Roller, Heat Abatement Mat Wallpaper Application PU Smoothing Tool Seam Roller
- Siless 80 mil (2mm) 36 sqft (3.4 sqm) Car Sound Deadening mat - Butyl Automotive Sound Deadener - Noise Insulation and Vibration Dampening Material (36 sqft)

---

## 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.fi/products/3557266-design-engineering-50220-boom-mat-deadening-spray-spray-on-sound](https://www.desertcart.fi/products/3557266-design-engineering-50220-boom-mat-deadening-spray-spray-on-sound)

---

*Product available on Desertcart Finland*
*Store origin: FI*
*Last updated: 2026-03-10*