Tom Brocke <teb250@gmail.com> wrote:
> I have seen this sound-proofing foam on ebay ... look up ebay Motors,
> item # 120408310759;
> It, too, is a little pricey.
> I cannot give any evidence of its value, but the guy selling it is open
> to questions.
Interesting... I found the manufacturer, GSI Corp, at
http://www.stopthesound.com/updatedpricelist.html
It's cheap compared to Dynamat, which is up to $13/sq ft in small
quantities. The guy on ebay is selling the GSI stuff cheaper than the
manufacturer, probably buys it in bulk. GSI sells kits for Detroit
12V71 turbo covers, so I guess I don't have to worry about heat.
I stopped at the auto paint shop on the way home, they had Dynamat, as
well as Evercoat (similar to Dynamat) in 12" X 12" squares. It was
closer to $5/sq ft, so I got some. I'm actually using this batch to
quiet down a sheet metal lathe cabinet, and it worked well enough.
I've tried spray-on goo, underbody rubberizing stuff, in the past, and
wasn't impressed. There's a new generation of truck bed coating these
days, might be worth a try. The Evercoat is heavy stuff, like a sheet
of tar, and sticks better than bituthane (don't ever try that). It
seems like the weight is what really makes the difference..
Thanks for all the tips!
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