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Old 01-27-2008, 11:37 AM
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Sound deadeners, dynamat etc which are the best?

There are quite a few different types on flEabay for sale. I was wondering what your experience is, if you have used any of these. Which products are easiest to install? Best sound dampening? Any problems with shippinf from these suppliers, or did you buy from a local shop?

Thanks

Also I can get tons of blue skin or peel and stick from construction suppliers, if that will do the trick. I am not sure how it will hold up under high temps, like floorboards etc?

Anyone use this?

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Old 01-27-2008, 01:06 PM
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Myself I think the peel and stick and blue skin is a tenth of the cost of the fancier products but the fancy stuff is not ten times better..We used spray asphalt for undercoating and such for years so think about that..if your floorboards get so hot as to melt the peel and stick I think you have some more serious problems with heat..also for years the pad under auto carpet was a Jute material with some tar in it..

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Old 01-27-2008, 01:36 PM
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Good point. We use tons of the peel and stick products so can get it at wholesale too. I will give it a try.
I was thinking of the foil back for the floors, maybe for durability, maybe just for a top layer it I use 2 layers, for example

Reminds me of a funny story about 25 years ago, one of my buddies was working in a chain rustproofing shop. Customer was rude to him, so he coated one side of his driveshaft with spray on asphalt undercoating, hoping it would throw the d/s out of balance.

Never heard what happened
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Old 01-28-2008, 04:27 PM
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Back in the mid 60s I use to work in a business that threw out tons of fiberglass insulation, most of it 1" thick sheets. I had a 51 Chevy 3100 back then and like all old trucks was noisy as h____. I stuffed a bunch of that insulation under the dash and behind the seat and under the seat. I was amazed at how quiet that old truck became. My mother had an Ford LTD and this truck with those solid lifters was just as quiet as her LTD.
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Old 04-05-2008, 11:49 AM
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I got this stuff called Fatmat, which is about $1 per square foot, as apposed to Dynamats $6 per square foot. Don't really have anything to compare it to though.
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Old 04-06-2008, 03:52 PM
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The FatMat is all over inside a customer's 64 Corvair that's in my shop. It looks very solid and durable. And yes, cost was much better.
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Old 04-06-2008, 10:50 PM
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Take a look at this site. The writer took a lot of time researching various products and has descibed all his findings.

http://www.sounddeadenershowdown.com/
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Old 04-19-2008, 07:37 PM
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sound deadner

If you have a flat floor like in a fiberglass 32 Ford, cut and fit plywood, A good sound and heat insulator. you can router grooves in it to run wiring etc.




Ago
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Old 04-20-2008, 05:27 AM
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In this day and age there are much better solutions for sound and heat insulation than plywood, especially laid flat on the floor of the vehicle. Anything you put down will help to deaden sound, but the question is why not use something that is specifically designed to dissipate heat and sound that doesn't have the potential to rot? If your objective is to flatten out the floor also, sheet plastics make a lot better choice.

I agree with Sam (OneMoreTime). Find something that fits your budget for a tenth of the cost of the fancy high tech stuff. The fancy stuff is not ten times better.
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Old 05-05-2008, 03:13 PM
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everything I have researched on this topic says to buy Raammatt.

http://raamaudio.com/
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Old 05-05-2008, 05:45 PM
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From what I've heard the thing to watch out for is extreme heat. With the stuff stuck to the top of your rod and the sun beating down a 130 degrees the glue will collapse and down will come your insulation.
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