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Old 12-23-2002, 11:31 PM   #1
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Default Where to buy dynamat type stuff.

Ok, a car audio friend of mine said that there are plenty of sound-deading materals to use other then dynamat stuff. Do any of you guys know who is talking about? I would like to pretty much do a large amount of my car. I am looking to do the trunk, rear seat, all 4 doors, rear part of the roof and passager floor

But I would settle doing the trunk and 4 doors.

does anyone know any manufatures of sound deading materal besides the stuff you can get at bestbuy or a "name brand" car audio place?

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Old 12-24-2002, 12:05 AM   #2
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Heres the best place to buy it

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Old 12-24-2002, 05:15 AM   #3
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Just curious on how much you might need to do just the trunk and the front doors maybe more depending on how much the price is going to be. That b-quiet stuff is cheap! And I'm sure it works as good as Dynamat.

My friend told me about gettting some kind of roofing silicone from homedepot or something and doing sound proofing that way. He said for only like $15 you could do a whole trunk. I'm kinda sketchy about doing that though. Just seems too ghetto, ya know.
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Old 12-24-2002, 01:59 PM   #4
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Originally posted by iv30
Heres the best place to buy it

I also recommend this stuff. It is half the cost of dynamat and it works well. It's so sticky I thought I was going to rip my fingernails off!!! (kids don't try this at home!!!=)

I'd definitely go for the b-quiet extreme in the 50sq feet because I bought the smaller quantity and it doesn't go very far.

Good luck~!
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Old 12-25-2002, 02:38 AM   #5
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Another alternative to dynamat. You can do a search under "dynamat" here and it will come up with a bunch of alternatives, even that "peel and seal" roofing material stuff.

Good luck with that.
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Old 12-25-2002, 03:43 AM   #6
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Old 12-25-2002, 12:35 PM   #7
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Old 12-25-2002, 02:02 PM   #8
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About how many Square feet would I need to do a good job on a wrx (doors, trunk, under back seat)
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Old 12-25-2002, 04:03 PM   #9
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used 72sq feet doing the doors and trunk. would guess another 20 or so if you're gonna do under the rear seat
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Old 12-26-2002, 09:40 AM   #10
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Excuse for chiming in, but what exactly would dynamat or similar products do? Would it eliminate road noise, rattles from doors, trunk rattle when bass is up, or what? Thanks for any info...
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Old 12-26-2002, 12:15 PM   #11
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Dynamat and similar products work by lowering the panel's resonance through mass loading. Basically make it vibrate at a lower note by making it heavier.

I'm sure Dynamat explains it on their site. www.dynamat.com
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Old 12-26-2002, 06:42 PM   #12
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Actually, the decent stuff does more than just make it heavier -- it is made of a material that, through internal friction/deformation, converts vibrations to heat. The general idea is the difference between trying to bounce a tennis ball and a hacky-sack.
Also, all of the materials block transmission of e.g. road noise to some degree. Depending on what you are trying to achieve, they also sell materials designed more to block transmission, and less to dampen. These usually have a thicker light foam-type layer with a thinner, heavy material attached to one side (on the most expensive, this is lead).
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Old 12-27-2002, 12:22 AM   #13
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I also recommend Raamaudio . Get some of Rick's Raammat60 it's awesome stuff. Also cheaper than the B-quiet extreme and just as good if not better.

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