weight of sound deadner

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Forum Name: Car Audio
Forum Discription: Car Stereos, Amplifiers, Crossovers, Processors, Speakers, Subwoofers, etc.
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=63926
Printed Date: May 09, 2025 at 8:44 AM

Topic: weight of sound deadner

Posted By: jsesterly
Subject: weight of sound deadner
Date Posted: October 06, 2005 at 2:37 PM

Anyone have info on the weights of the different types of sound deadner?

I want to put a lot down in a old suburban, I'm not going for comeptition bass or anything like that, just looking to keep the insides a little quieter, without adding 200lbs to it.

Thanks!

Replies:

Posted By: DYohn
Date Posted: October 06, 2005 at 3:47 PM

Dynamat Extreme is about 1/2 pound per square foot. Some others weigh as much as 1lb per sqft. It will add significant weight to your vehicle, but that's why it works.

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Posted By: footbaldd
Date Posted: October 06, 2005 at 6:05 PM

I just finished putting in some deadening in my car, and if iI remember right the 3m bedliner I used was about 12 pounds for a gallon. I also used b-quiet ultimate and I would guess it to be similar in terms of weight to dynamat extreme. Another item I used from b-quiet was their v-comp, and it is a pound per square foot. I have probably added 50-100 pounds to my car, but for me it was worth its weight in gold.

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