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Old 10-09-2009, 09:45 AM
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Floor board insulation

I have a 1955 Chevy convertible and I'm getting ready to put the carpets in but it is noisy and gets rather warm. I was just wondering what would be the best insulation to use. I know that at the Long Beach Auto Swap meet they sell a variety of insulation. Foam with silver aluminum backing, jute with a silver aluminum backing reqular black rubber foam that we used to insulate cold water lines (like 40%) with the out side temp as high as 80%. Need a good one for sound and heat. Thanks

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Old 10-09-2009, 10:51 AM
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You need a foil faced product like Dynamat, FatMat, or B-Quiet (there are lots of others) on the floor first with the carpet padding of your choice over that. Get the best stuff you can afford. The Asphalt based products are not as good as the Butyl based products, and stay away from roofing products like Peel & Seal.

No one lives forever, the trick is creating something that will.
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Old 10-15-2009, 06:39 PM
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Dynamat is good stuff. But it's heavy, 1 box weighs about 30-40 pounds.
And to do a '55 chevy it takes me about 2 boxes.
If weight is a factor, (weight=speed) you may try some aircraft suppliers. They have some neat stuff that's lightweight.
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