Sound dampening material for our 80

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ranma21

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I used to be a fanatic in sound system, I will literally rip the whole interior off of the vehicle and lay sound dampening material all over it. The cheapest and effective I have found up to date is a roofing material that is call PEEL & SEAL. They look and feel the same as dynamat or other sound dampening material. If I remember right, the maerial is almost the same as well. I have tried them and it works great but with the fraction of the cost. A 6x25 inch roll cost about $15.73 at LOWE's, it was $12 3 years ago.Do not waste your money on specific brand sound dampening material, they works the same by adding mass to reduce vibration to the sheet material hence reduce unwanted sound. If you add foam and felt on top of it, you will be riding a death quite vehicle. Hope this help some mudder to save some $$$$ :D

6"x25' Roll Self-Stick Aluminum Faced
 
cool thanks.... maybe i'll be able to write that off as home improvement material!!!!















































Just kidding folks!!! DON'T CHEAT ON YOUR TAXES!!!!!!


dan
 
Thanks for the great tip! Do you have any product recommendations for the foam and felt you mentioned?
 
Thanks for the great tip! Do you have any product recommendations for the foam and felt you mentioned?

You are welcome=) The proper foam for sound insulation is quite expensive, you can actually use those left over felt from carpet installation in the house. Or may be buy them at carpet store.
 
I tried that Peel & Seal / FatMat; the reason that it is so cheap: it is asphalt based roofing material. So it stinks like asphalt, which most people do not enjoy for extended periods. It also seems to loose adhesion in very cold and very hot weather. My experience with DynaMat (I have nothing to do with the company) has been a thousand time better.
 
I tried that Peel & Seal / FatMat; the reason that it is so cheap: it is asphalt based roofing material. So it stinks like asphalt, which most people do not enjoy for extended periods. It also seems to loose adhesion in very cold and very hot weather. My experience with DynaMat (I have nothing to do with the company) has been a thousand time better.

I agree on the smell. It will go away in a few days. Mine lasted about a week. If you do it in a hot day and the surface is clean, the thing will stick on it forever. It is even hard for me to take it off now once it is on the proper way. I use a roller to get the air pocket out as well.
 
Before I did some sound dampening improvements to my rig, I did a slew of research on the different options.

Sound Deadener Showdown is an awsome resource if you're looking for the standard style sound dampening material, they talk a lot about Asphalt vs. Butyl and why Butyl is better (as well as some stress tests, you can see what will last).

I ended up using Spectrum - Acoutic Sound Deadener Coating Material for my rig, I plan on going back over with Second Skin's Damplifier when I get a bit more coin to drop on it.

Just the Spectrum alone made a huge difference, so far I've done both rear quarterpanels, both rear doors, and part of the drivers door (ran out before I could get the driver's door finished to my satisfaction or the front passenger door. 1 gallon isn't quite enough, 2 gallons would be more than enough).

Spectrum is cool stuff, it goes on thin enough that you can coat areas that you couldn't with Dynamat or other standard sound dampeners (in fact Second Skin recommends nothing more than 3mm thick, roughly 3 credit cards worth thick). I coated the back side of the door covers, both to help block sound as well as to help prevent the backing from absorbing water as I had water stains on the inside of the doors.

I'll be ordering the rest of what I need to finish the rig when I have more coin to drop, but even from what (relatively) little I've done everyone who rides in it has commented on it, and most of them have said it's the best money I've spent on it (guess it's even better than replacing the brakes after I had an issue with them...go figure! :lol: ).

No affiliation with Second Skin, just very impressed with their product, and have had every question I've ever sent their way answered in great detail and promptly.
 
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Second Skin's products and SERVICE rock. The website also has a forum that has lots of useful information about the products and how to apply them.
 
With the speakers and woofer upgrade I just completed in my 80, I used this from mcmaster-carr. I read in a car audio forum that it is dynamat without the logo. I can't say for sure as I have no dynamat to compare it to. It worked/works great, stuck very well to odd shaped surfaces and no odor.

It is HEAVY. VERY heavy. I ordered 6 sheets (for two projects) and it had to be delivered by freight. Alone, I could barely move the box.

Rich
 
interesting

will have to read the info.

in the process of doing an entire 80 in the near future and want it to be dead quite so $$ is a concern.
 
With the speakers and woofer upgrade I just completed in my 80, I used this from mcmaster-carr. I read in a car audio forum that it is dynamat without the logo. I can't say for sure as I have no dynamat to compare it to. It worked/works great, stuck very well to odd shaped surfaces and no odor.

It is HEAVY. VERY heavy. I ordered 6 sheets (for two projects) and it had to be delivered by freight. Alone, I could barely move the box.

Rich

Surprisingly, this is not too pricey :) May be I should try it out too
 

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