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DEI 050220 Boom Mat Spray-on

4.2 out of 5 stars 99 customer reviews
| 35 answered questions
Price: $15.98 & FREE Shipping on orders over $49. Details
In Stock.
Ships from and sold by Amazon.com.
  • Enter your model number above to make sure this fits.
  • Reduce unwanted road noise and vibration
  • Won't crack or chip
  • Paintable in 6 hours
  • Single can will cover approximately 20 sq. ft.
  • This item is not for sale in Catalina Island
› See more product details
21 new from $8.87
Special Shipping Information: This product may not be available for 1 or 2 day shipping due to federal regulations that require it to ship via ground ship methods only. This product can only be shipped within the 48 contiguous states.

$15.98 & FREE Shipping on orders over $49. Details In Stock. Ships from and sold by Amazon.com.

Frequently Bought Together

  • DEI 050220 Boom Mat Spray-on
  • +
  • Dynamat 13100 1-1/2" Wide and 30' Long DynaTape Sound Deadener
  • +
  • uxcell® Car Sound Deadener Application Rolling Wheel Roller 5cm x 3.5cm
Total price: $29.48
These items are shipped from and sold by different sellers. Show details
Buy the selected items together

Product Information

Technical Details

Brand Design Engineering
Item Weight 1.4 pounds
Product Dimensions 2.7 x 2.5 x 9.3 inches
Origin China
Item model number 50220
Manufacturer Part Number 050220
OEM Part Number 050220

Additional Information

ASIN B001URKV0G
Customer Reviews
4.2 out of 5 stars 99 customer reviews

4.2 out of 5 stars
Best Sellers Rank #5,994 in Automotive (See top 100)
#13 in Automotive > Interior Accessories > Insulation & Noise Control
#13 in Automotive > Replacement Parts > Body & Trim > Body > Insulation
Shipping Weight 1.5 pounds (View shipping rates and policies)
Domestic Shipping This item is also available for shipping to select countries outside the U.S.
International Shipping This item is not eligible for international shipping. Learn More
Date First Available January 5, 2009

Warranty & Support

Warranty, Parts:Parts
Manufacturer’s warranty can be requested from customer service. Click here to make a request to customer service.

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Customer Reviews

Top Customer Reviews

4.0 out of 5 starsGood for hard to reach/exposed places
By Stuck on July 12, 2012
Verified Purchase
I used this spray in the trunk of my vehicle, and in the two front wheel wells. It did reduce noise slightly on the front end, and it worked well with reducing noise in the trunk/rear end. I can say this isn't as good as "peel and stick" deadner sheets but it was useful for the very angled and curved trunk and the wheel wells. The spray dries quickly, about an hour in really hot weather, and was completely dry and "paint ready" within 5-6 hours. This does leave a smell for a day or two, but it clears out quickly. I'd suggest to leave the doors/trunk open overnight to let the vehicle air out.

The can itself is good quality, and sprayed a nice even coat and didn't clog up during the application. Just make sure to not let the spray dry on the nozzle or you'll probably have to unclog it. The can I received also had its spray nozzle NOT ON THE CAN, which is a great idea because I can imagine the can going off during shipping and ending up with a sound deadened, yet ruined shipping box.

I would suggest two cans, because one can barely covered the surfaces I wanted. I plan on ordering another can to do the rear wheel wells, and to put a second coat on the front. The can says it can cover around 20 square feet, but you'll want to do multiple coats so expect around 8-10 sq/ft per can.

FYI, Amazon can only ship this via ground so expect a 4-7 day wait to get it. (If you have Prime, not sure for Free Shipping)
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4.0 out of 5 starsGood stuff, easy to apply
By Shellseaker on September 20, 2011
Verified Purchase
I was pleasantly surprised at what this did to reduce the noise in my conversion van that I am restoring. I didn't expect a big noise reduction just undercoating protection but it reduced the noise at least 50%. I did use about 8 cans and I put it on thick. I went over it twice to add a thicker layer and while I was planning to add Dynamat under the carpet, now I may not need it. I may end up getting enough to go over it two more times just to see. Your results may not be the same but it worked for me, not as good as the sheet Dynamat but the ease of putting this on is worth the trade off for me.
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5.0 out of 5 stars... Nissan 370Z and the road noise is not too happy. I put the Dynomat all in the rear ...
By Jane Smith on September 11, 2014
Verified Purchase
Wow I have a 2013 Nissan 370Z and the road noise is not too happy. I put the Dynomat all in the rear hatch and on the doors and still road nose too loud to talk at normal level on Highway. Partially to blame is the factory tires, though sticky and fat they are noisy. So I figured what the heck and bought 2 cans of this stuff to spray in the rear wheel wells and Bam at least a 10db drop in noise. Very Happy!! It works!
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4.0 out of 5 starsGood for the price, does what it should
By iSmokeLoud on January 2, 2015
Verified Purchase
Does what it is designed to do. I got this to spray on my door panels and inside my trunk to stop the rattle from my subwoofers. As stated before, you will need more than you think. I ordered 2 cans, and ended up ordering another can for good measure. There is a noticeable difference once applied. It is best to apply in coats of course. And it does seem to expand a bit once sprayed. It can be very messy however, so make sure you tape/cover areas you don't want paint on because it will drip easily, and sometimes the nozzle will make a mess as well. Have a towel handy!
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5.0 out of 5 starsstainless steel sink
By James on May 13, 2014
Verified Purchase
Used 2 cans to coat the underside of a new stainless steel sink. Worked great to replace the ting with thud.
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3.0 out of 5 starsboom mat
By ian lewis on March 29, 2014
Verified Purchase
product was just ok,have to use several cans just to really hear difference.not bad for small area or tight spots
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5.0 out of 5 starsTruly the best of Amazon!
By Shellby Paul on January 28, 2016
Verified Purchase
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!
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3.0 out of 5 starsRegular undercoating in disguise?
By ChrisRaleigh on June 1, 2015
Verified Purchase
Sure looks, feels, smells like regular old undercoating and seems to work about the same for sound deadening. As others have said, it makes a major mess when applying. Count on ruining the clothes you're wearing, and make sure to put plenty of paper or cardboard around to protect the ground and anything else you don't want to get covered. You'll definitely want to apply outside.
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Most Recent Customer Reviews

5.0 out of 5 starsExceeded my Expectations for my intended use

Used this to seal the inside of my speaker box. Made a definite sound change after spraying it in. Plus it sealed all the micro cracks on the seams and gave it a professional... Read more

Published 7 days ago by ThuWolfman
5.0 out of 5 starsFive Stars

Perfect stuff to hold carpets in place

Published 1 month ago by Kevin C. Cloutier
3.0 out of 5 starsKind of pricey for what it does. Much easier ...

Kind of pricey for what it does. Much easier to work with the actual sound deadening mats in my opinion.

Published 1 month ago by Eric M. Griffin
5.0 out of 5 starsFive Stars

works great

Published 1 month ago by eric
5.0 out of 5 starsCovered the entire interior hatchback area of my car above ...

Covered the entire interior hatchback area of my car above the muffler and used truck bed liner on top of this after it dried. It helped with the drone while on the highway.

Published 2 months ago by Ok N.
5.0 out of 5 starsFive Stars

works good, as expected.

Published 3 months ago by Riven150
4.0 out of 5 starsit's fine, but it definitely did not do as well ...

For some hard to reach areas, it's fine, but it definitely did not do as well as my Stinger sound deadening mat. I actually put the mat down first then sprayed this on top it.

Published 3 months ago by Mr. Williams
3.0 out of 5 starsThe product finish is good and the flat black color/texture is good

The product finish is good and the flat black color/texture is good, but for the price not sure its worth it. Read more

Published 3 months ago by JCross
5.0 out of 5 starsFive Stars

This stuff works great.

Published 4 months ago by Joseph Pomaville
5.0 out of 5 starsFive Stars

Easy to use.

Published 4 months ago by B W.

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