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Dynamat 10455 18" x 32" x 0.067" Thick Self-Adhesive Sound Deadener with Xtreme Bulk Pack, (Set of 9) , Black

Brand: Dynamat

1,309 ratings

| 225 answered questions

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Style: Sound Deadner

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Country of origin : United States
Model Number : 10455
Package Weight : 23 pounds
Package Dimensions : 21" L x 12" W x 3" H

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Product information

Style:Sound Deadner

Technical Details

Manufacturer

Dynamat

Brand

Dynamat

Model

Bulk pack

Item Weight

15 pounds

Product Dimensions

21 x 13 x 3.5 inches

Item model number

10455

Is Discontinued By Manufacturer

Manufacturer Part Number

10455

OEM Part Number

10455

Folding

Cover Included

Bulk pack

Voltage

0.1 Volts

National Stock Number

5950-00-295-8013

Additional Information

ASIN

B00020CB2S

Customer Reviews

1,309 ratings

4.8 out of 5 stars

Best Sellers Rank

#4,844 in Automotive (See Top 100 in Automotive)
#4 in Automotive Insulation & Noise Control
#11 in Automotive Insulation

Date First Available

April 19, 2004

Warranty & Support

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Product description

Style:Sound Deadner

QUALITY ASSURED.

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Customer Questions & Answers

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Customer reviews

5 star		88%
4 star		7%
3 star		2%
2 star		1%
1 star		1%

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Top reviews from the United States

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iDave63

I am a safety professional by occupation. I did ...

Reviewed in the United States on April 2, 2018

Style: Sound DeadnerVerified Purchase

I am a safety professional by occupation. I did pre-installation and post installation sound level meter readings. With Dynamite Extreme, the sound level dropped by 5 decibels. Some of the 1-star posts complained they only had a 5 decibel drop in sound level. Sound intensity DOUBLES with every 3 decibel increase. So, a reduction of 5 decibels means you actually cut the sound level intensity significantly with Dynamat.

Most of us perceive one sound to be twice as loud as another one when they are about 10 dB apart; for instance, a 60-dB air conditioner will sound twice as loud as a 50-dB refrigerator. Yet that 10-dB difference represents a tenfold increase in intensity. A 70-dB dishwasher will sound about four times as loud as the 50-dB refrigerator, but in terms of acoustic intensity, the sound it makes is 100 times as powerful.

144 people found this helpful

Helpful

TattedTotoro

Great product.

Reviewed in the United States on February 5, 2018

Style: Sound DeadnerVerified Purchase

Installed in my Datsun. Works great and install was straight forward. Be sure to also purchase the roller.

39 people found this helpful

Helpful

Michael Maryland

There are other options, but I trust Dynamat.

Reviewed in the United States on May 6, 2014

Style: Sound DeadnerVerified Purchase

I did quite a bit of research before deciding on Dynamat. There are some cheaper competitors that people swear are just as good and they may be, but I just don't trust them as much. If you do your research you will even see that some people chose to use roofing material that you can buy at Home Depot. Someone would have to be OUT OF THEIR MIND to put $20 worth of roofing tar into a $20,000+ vehicle. The only negative thing people have to say about Dynamat is that it is priced high, but if you buy the bulk packs on Amazon you will save yourself a ton of money and is actually a pretty cost effective solution for DIY work. I have looked around and Amazon has the best price anywhere.

Main competitors and my impressions of them. I have not purchased or used these product, but this is an idea of why I chose Dynamat over them. I am not a car audio professional by any means. This is the first time I used deadening on my car and I am writing this to help anyone else who is thinking of doing this.

1) RAAMAudio RAAMmat + Ensolite Foam - Most cost effective "legitimate" option.
2) Sound Deadener Showdown - "CDL Tiles" + Mass Loaded Vinyl. SDS would be an interesting choice. If you look through forums you will see some people who really like this stuff, but I found the website to be confusing and I could not truly make an informed decision one way or another.
3)Fatmat: Cheapest of all automotive dampeners, but one Google search of "fatmat smell" is all you need to know. Some say it smells awful and some don't, but there is no chance I risk it. This stuff is super cheap, does not deaden as well as competitors and stinks. I would use home depot roofing material before this product. Move on.

And to the "REAL" competitor.

4) Second Skin Audio- Damplifier Pro + Closed Cell Foam (CCF)- Although I decided on dynamat, based on reviews and forum comments, I think that Second Skin Audios product line may in fact be superior to Dynamat, but I decided against it for a few reasons. Damplifier Pro is a good bit heavier than Dynamat extreme. For most, this isnt going to make a huge difference, but I am lining a performance car with more emphasis on performance than sound. I want an improved sound system, but if the increase in weight is only going to improve things very minimally it is just not worth it to me. A lot of people say that Dynamat is the most expensive, but a 36 sq. foot pack of Damplifier pro costs $204+ shipping. They do have some coupons occasionally, but it is more expensive.

The fact is Dynamat is proven to work and is trusted by professionals. I do not think you can go wrong with Dynamat because the only bad thing people have to say about it is that the price is high which is a bit of a myth. If you drive a big truck or SUV, want the absolute best sound and aren't as concerned with weight, I would think about the 80sq foot Damplifier Pro shop pack and CCF foam.

I turned my trunk into a enclosure with Dynamat Xtreme. I lined just about every surface, doubling up in a few critical areas and was able to line my trunk with this kit. If you want to really go out and line an entire car, you will need 100 sq ft+ of this stuff. If you are doing the trunk and doors like me, you'll need 50-80 sq feet depending on whether or not you plan to cover the entire door. I would use the bulk kit for anything but the doors. You can surely use the Dynamat in the bulk kit on the doors, but the door kit strips 12" x 36" and make for a cleaner install because they will run the full length of any door. It would not be the end of the world to have extra, but I would try to make a good estimate of how much you will need so that you arent leftover with a whole box of this stuff.

One final recommendation as I try to unload all of the information I have learned. Dynamat claims that you do not need a heat gun to install Dynamat Extreme. That may be true, but after using a heat gun to put the finishing touches on the trunk, I would have to strongly recommend using a heat gun for trouble areas and difficult corners. I was able to put the Dynamat down so much flatter and nicer by heating it up a bit and rolling it down. it especially helps to heat corners and tight spots where you cannot get the roller in, because it makes it easier to mash the Dynamat down with your fingers. I am not going to use the heat gun on the doors however, as I believe that there are more heat sensitive components in there and do not want to chance it Dynamat claims it is not a necessity.

I plan on using Dynaliner on top of the Dynamat in the doors (and trunk I think) as well as by itself in a few areas. I really hope this helps someone. If you have anything to say about my opinions, or would just like to comment on what I have done, please let me know.

179 people found this helpful

Helpful

Nickolas

Prefect for quieting down Mustang GT cabin!

Reviewed in the United States on January 25, 2019

Style: Sound DeadnerVerified Purchase

Worked like a dream. The cabin of a 2006 Mustang GT with a aftermarket exhaust is obnoxiously loud. This solved my problem. I covered everything except the roof. That included door panels, entire floor front and back, under back seats, and the entire trunk. Took 2 cases total. Installed subwoofer and all new speakers. Well work the purchase. Me and my gf can conversate while driving on the highway or interstate now without having to yell. It’s pricey, but best quality you can get. Haven’t looked back. Truly amazing. Highly recommend for reducing road noise!

20 people found this helpful

Helpful

Kyle Henson

extensive trunk rattle almost completely eliminated.

Reviewed in the United States on July 27, 2020

Style: Sound DeadnerVerified Purchase

Application is time consuming and labor intensive. Focus on the flatter areas first, they are the biggest noise makers. Save the scraps, as every little piece can and should be used somewhere. I was skeptical about the ability to mitigate the terrible rattle my trunk had, but was pleasantly surprised to see how much of a difference it made. The adhesion on these things is pretty intense, if not careful they can make a bit of a mess. The tape will help to seal up the sticky parts in the trunk well and other places that you might need to climb into. The roller is nice to really lock the material down on the panels. Take your time, I was in a hurry and made several mistakes burying things that I needed such as panel clip locations and such. Not a terrible thing, as a few incisions and some careful removal exposed them again. The material is thin enough, I had concerns about the fitting of the panels after placement.

9 people found this helpful

Helpful

Amazon Customer

Happy in my Jeep Wrangler JK

Reviewed in the United States on December 5, 2017

Style: Sound DeadnerVerified Purchase

Awesome, I think I like these better than the Noico’s because they are thinner. It seems to me from watching Dynamat’s videos that they are definitely looking out to make the best quality product around and put careful thought and consideration into making sure they use the right materials. I saw some videos on youtube where people are putting roofing tiles that look similar in their cars... that seems like a horrible idea. I’m glad I got these for my Jeep Wrangler JK 2017. I haven’t finished the project completely but the noisy jeep is a lot quieter now. I’d recommend 2 boxes.

19 people found this helpful

Helpful

Jennifer A Gregory

Truly works on sound deadening. Great product.

Reviewed in the United States on September 12, 2016

Style: Sound DeadnerVerified Purchase

This was recommended to us by our mechanic to deaden the sound in our motorhome. My husband was redoing the rv and we decided to give this a shot as it was very difficult to talk while the rv was running because of the loud engine noise. He pulled up all the rugs surround the doghouse and cut and fit the Dynamat to all the flooring space and all around and under the doghouse(the engine space). The difference was unbelievable. We can now carry on a conversation without any problem. The entire entire seems much quieter. This stuff really performs like it says it does. I thought it was pretty pricey but now I can see why. It was certainly worth the cost. If you use this you won't be sorry. Application was pretty easy but you will need a roller of some kind to get the dynamat to adhere well to the floor and without you cutting your hands up smoothing it out.

36 people found this helpful

Helpful

Top reviews from other countries

Mr. G. J. Hughes-hubbold

Great product, expensive but you get what you pay for. Plan ahead! Measure twice cut once!

Reviewed in the United Kingdom on July 10, 2018

Style: Sound DeadnerVerified Purchase

Sadly there are no detailed application instructions included in the box for some reason.

It will definitely improve the acoustic quality inside the vehicle a lot. I do not believe you need as much as people think, although 1 box was not sufficient to do a complete large car inside (Doors, floor, boot, roof etc)

Pieces are very large at 32 inches long, I think I would have been better off cutting them into smaller ones, as you can get yourself into a dire situation when its massive and its all sticking to everything including limbs and you are trying to fight it to make it fit correctly.

Tended to feel that all the photos online of installations make it look super tidy and easy, and my install was more like a Mcdonald's burger, it never ends up looking like the photo. I could not decide if its better to try and measure and pre-cut templates, or just cut as you go along. Definitely found it more fiddly than I expected.

7 people found this helpful

MICHAEL FRASER

VERY sticky

Reviewed in the United Kingdom on April 1, 2016

Style: Sound DeadnerVerified Purchase

A good quantity of sheets in this pack. In fact, more than I need. Sticks very well but can be little difficlt to get a really smooth finish. Appears to do a good job on sound deadning.

4 people found this helpful

Kazza

Dynamat

Reviewed in the United Kingdom on June 30, 2019

Style: Sound DeadnerVerified Purchase

Very disappointed as it has made no difference to the noise in my car.

Fred Magill

This is a great product

Reviewed in the United Kingdom on June 25, 2019

Style: Sound DeadnerVerified Purchase

Speed of delivery, Very easy to use.A penknife, craft knife or scissors. The product is easy to apply and certainly cuts down on drumming. Expensive but probably the best. Well worth it.

One person found this helpful

arian

Good product

Reviewed in the United Kingdom on March 21, 2019

Style: Sound DeadnerVerified Purchase

Good product strong and works well only thing is that it’s very heavy and can easily cut you like a razor blade

3 people found this helpful

See all reviews

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Dynamat 10455 18" x 32" x 0.067" Thick Self-Adhesive Sound Deadener with Xtreme Bulk Pack, (Set of 9) , Black

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