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Old 02-09-2012, 09:04 AM   #21
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Quote:
Originally Posted by Dgc333 View Post
Butyl rubber by it self is not as dense as Dynamat meaning it has something else in the make-up. When I was researching sound deadener for my Barracuda I read a number of comparison articles and saw a number of references that these materials used asphalt to give them the density. These articles also said that the ice dam membrane was very effective.

In any case Dynamat if not the most expensive it is close, even the cheapest stuff is still about 3x or more, more expensive than the ice dam membrane material.
Butyl rubber based deadeners with foil backing dont get hard like asphalt foss over time

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Old 02-09-2012, 12:01 PM   #22
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Quote:
Originally Posted by 02Zetechse View Post
A actual deadener with the foil constraining layer deadens in a different manor than mass loading a panel to change its resonating frequency ...
Not all sound deadening materials come with foil. The foil's primary purpose is to act as a heat barrier. The rubbery nature of these materials and the fact that they are stuck to the surface with an adhesive dampens the resonance along with the added mass they provide that lowers the resonant frequency.
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Old 02-09-2012, 08:25 PM   #23
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Quality Foil backed deadeners convert vibration into heat.
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Old 02-09-2012, 09:37 PM   #24
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I got some Stinger RoadKill trunk and door kits all for $20, my workplace was going out of business and I got it for cheap. I got the trunk, hatch door, rear side panels, and the front doors with those two kits. It made a significant difference with the audio, road noise is somewhat better.
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Old 02-16-2012, 09:32 AM   #25
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Check this out.

http://www.eastwood.com/eastwood-the...-material.html
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Old 02-16-2012, 02:04 PM   #26
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RAAmat is cheaper, better and thicker, http://www.raamaudio.com/products/RAAMmat-BXT-II.html
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Old 02-17-2012, 12:30 AM   #27
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I bought this stuff about 5 years ago and still have a ton left over

B-Quiet Ultimate

It replaced Brown Bead which if I remember correctly was a fairly popular alternative to more expensive name brands. Any thoughts?
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Old 02-20-2012, 06:25 PM   #28
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Go with Audiotechnix deadener its great I use it personally in my spl car
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Old 10-06-2012, 03:04 PM   #29
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Originally Posted by freemind View Post
Google still rules,

http://audiotechnix.com/ EDIT : Speak to Coleman Thedinger



http://www.raamaudio.com/ Talk to Rick

http://secondskinaudio.com/ Talk to Ant


These are the best bang for your hard earned $$

Edited : to add contact info for Audio Technix
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Old 10-09-2012, 12:39 AM   #30
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I'm all about Dynamat. I thought about trying cheaper stuff, but I'd rather pay for quality.
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