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Dynamat Extreme Bulk Pack is rated 4.3 out of 5 by 9.
Rated 5 out of 5 by from Easy to use Very pleased with product, easy to use made a big difference on noise.
Date published: 2019-07-08
Rated 5 out of 5 by from Great oroduct This product was easy to install and cuts down on noises!!
Date published: 2018-06-15
Rated 5 out of 5 by from Dynamite extreme A great product to keep sound out the product does what it said it wood do
Date published: 2017-07-31
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Your X-mat is listed as 12.8 oz/ sq ft, what is the weight of the Dynamat Extreme?

Asked by: Gtmustang
This kit in total weighs 21 lbs.
Answered by: Kelly H
Date published: 2019-07-11

I’m restoring. 71 F100 will one package cover th floor area and roof ?

Asked by: 71F100 Mark
Each of these kits typically cover around 36 sq. ft.
Answered by: Kelly H
Date published: 2019-05-20

I have a class A Bounder Motorcoach and need to quiet the engine noise, will this product do this?

Asked by: Geezer63
The Dynamat or our X-mat would both be great options for this application.
Answered by: Kelly H
Date published: 2019-03-18

Can I use this on my boats outboard  motor  ? To cover the cowling ?  I want to reduce the noise of it 

Asked by: Cairo
We strictly test for Automotive use only. We apologize for the inconvenience.
Answered by: Kelly H
Date published: 2019-01-23

How do you remove the Dynamat?

Asked by: LPmiata
There are a lot of different methods for removal of this material. Some use dry ice, some use a heat gun and metal scraper. You will need to find out what works best for you and what you have access to in your area.
Answered by: Kelly H
Date published: 2018-12-29

What is the difference between the black sound deadening and the one that looks like aluminum foil

Asked by: Tommy
The black version is a thicker foam material best used in doors and areas you have more clearance. The foil backed version is best for under carpet and seats.
Answered by: Scott C
Date published: 2018-12-12

Is this suitable for use on the underside of a engine hood. the original fiberglass one on my vehicle is damaged and needs to be replaced.

Asked by: WRE7850
You will want to use Item #15825. This is formulated for under the hood.
Answered by: Bob G
Date published: 2019-03-14

How much dyno mat would I need to order to cover my 72 Caprice 2 door hardtop front to back?

Asked by: Kountry803
Since each box you purchase covers 36 sq ft the best way to figure how much you'll need is to take a rough measurement of the areas you wish to cover.
Answered by: Scott C
Date published: 2018-12-25
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Dynamat Extreme Bulk Pack

Dynamat Extreme Bulk Pack

Item #11675 Brand: Dynamat

Deadens noise, giving your vehicle a more solid sound and "feel"
Quantity: close

In stock

Only $239.99


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Modern automotive design has spoiled us - it's easy to take quiet, airtight, soundproofed interiors for granted these days. But a ride in your project car may remind you exactly how noisy the road, or your vehicle's engine, can be. Dynamat® Xtreme makes an outstanding sound deadener that you can put to use easily in your restoration vehicle. It also works to dissipate heat, leading to cooler interior temperatures. Dynamat Xtreme deadens noise, giving your vehicle a more solid sound and "feel":

  • 4 times the sound deadening material effect, but half the weight, of original Dynamat.
  • Reduces interior temperatures up to 50 percent.
  • Cut to size with knife or scissors, then peel and stick.
  • For floors, doors, roof, hood, trunk lid, quarter panels and more.

Install Dynamat Xtreme in your ride and listen as the doors and trunks slam snug, and road and wind noise virtually disappear. Use Dynamat on almost any body section for a "sound" improvement in your ride, as well as heat reduction.

Contact us by phone or email, and we'll tell you exactly how Dynamat Xtreme can solve sound problems for you, without adding a lot of extra weight. This bulk pack will give you enough to cover about 36 square feet.

More info...
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About Dynamat Extreme Bulk Pack

Ideal for soundproofing your car, here's one sound-deadening product that can be used on virtually any body panel. Extreme Dynamat provides four times the sound-deadening effect, but half the weight, of Original Dynamat, and it cuts interior temperatures up to 50%. Bulk pack includes 9 sheets, each 18" x 32" x 0.060" thick, to cover about 36 square feet total.


Bulk pack includes 9 sheets, each 18" x 32".


Remove any carpeting and underlining materials, then wire-brush or blast steel floor, trunk or door panel to remove rust. Use Rust Converter or Rust Encapsulator to treat any areas that cannot be blasted. Use 52050 Dynamat Applicator Roller to apply Dynamat. Overlap edges or use 52144 Seam Tape.


52144 Seam Tape
52050 Dynamat Applicator Roller
52296 Door Panel and Trim Removal Set

Eastwood Offers Free Lifetime Technical Support

Click here for product SDS information

Attention California Residents - Proposition 65

Proposition 65 Warning WARNING - Cancer and Reproductive Harm -

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