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07-17-2007, 11:57 PM
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#1
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Newbie
Join Date: Nov 2006
Location: Thornhill eh?
Posts: 51
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sound deadening , again
i know this stuff comes up and gets asked everywhere but well i just must. I have fully read the sound deadener showdown article and accept that cheap stuff/ashphalt based stuff is no good. IE no peel n seel.
however i found this:
http://www.homedepot.com/webapp/wcs/...ctId=100028603
no ashpalt in it although i would not be expecting wonders but i may try it in the doors.
i've also been cruzing ebay and am considering going with fatmat because im in toronto and so is it. HOWEVER i know in the sound deadener showdown it was mention fatmat is ashpalt based, BUT that article is few years old and it seems to me that fatmat has changed/got better, maybe? at $2ish per square foot it doesn't really price out like ashphalt.
http://cgi.ebay.ca/25sf-FatMat-Rattl...QQcmdZViewItem
i guess i should also call local shops and try that alcohol trick on stuff i can get my hands on.
so that ends my final question as does anybody else think fatmat has gotten better and is without ashphalt?
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07-18-2007, 07:23 AM
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#2
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Car Audio Moderator
Join Date: Sep 2006
Location: Chicagoland (St. Charles,IL)
Posts: 1,931
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I still like Raammat and it should be within that price range. Rick is a super standup guy. If you need the cheaper stuff, elemental designs is a tad cheaper, but you get more value from raammat IIRC.
Rudeboy or Rudy as he goes by on here wrote the sound deadener showdown and from what he has mentioned, I think he is going to update it. Maybe if he is around he will step in and give his 2 cents.
That foam insulation might be good to put over deadener, but deadener and insulation serve two different purposes. One is about adding mass, while the other is about absorbing and isolating.
__________________
System always under construction
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07-18-2007, 10:49 AM
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#3
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Join Date: Mar 2004
Location: Little Elm, Texas
Posts: 13,481
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I'd really like to see the Black Hole products included in that sound deadener show down.
It might be something to conside for your install as well.
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07-19-2007, 05:47 PM
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#4
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Newbie
Join Date: Apr 2007
Posts: 32
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Quote: Originally Posted by brendan  i know this stuff comes up and gets asked everywhere but well i just must. I have fully read the sound deadener showdown article and accept that cheap stuff/ashphalt based stuff is no good. IE no peel n seel.
however i found this:
http://www.homedepot.com/webapp/wcs/...ctId=100028603
no ashpalt in it although i would not be expecting wonders but i may try it in the doors.
This won't be a very effective vibration damper - too light, it's more of an alternative to foam.
Quote: Originally Posted by brendan i've also been cruzing ebay and am considering going with fatmat because im in toronto and so is it. HOWEVER i know in the sound deadener showdown it was mention fatmat is ashpalt based, BUT that article is few years old and it seems to me that fatmat has changed/got better, maybe? at $2ish per square foot it doesn't really price out like ashphalt.
http://cgi.ebay.ca/25sf-FatMat-Rattl...QQcmdZViewItem
i guess i should also call local shops and try that alcohol trick on stuff i can get my hands on.
so that ends my final question as does anybody else think fatmat has gotten better and is without ashphalt?
Rattle Trap is supposed to be butyl. FatMat itself hasn't changed and is still asphalt. If you search around, you'll see that far too many people in the US are having trouble getting orders filled. The phone has been turned off and e-mails aren't being answered. I'd be careful.
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07-19-2007, 05:49 PM
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#5
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Newbie
Join Date: Apr 2007
Posts: 32
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Quote: Originally Posted by RedGTiVR6 I'd really like to see the Black Hole products included in that sound deadener show down.
It might be something to conside for your install as well.
I'm happy to look at anything anyone wants to send me - I'm trying to minimize the products I have to buy 
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07-19-2007, 08:16 PM
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#6
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FLAC
Join Date: Jun 2006
Location: Calgary, Alberta
Posts: 1,074
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Hey what aisle in Home Depot is that foam stuff in? Do you guys think it would be worthwhile to use heavier (proper) deadener, then apply this foam stuff on top? Or would that be a waste of time and money? I believe foam is a good absorber of high frequencies.
Also...does anyone actually buy deadener from local stores? The stores in my area only seem to sell overpriced brands like Dynamat.
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07-19-2007, 09:44 PM
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#7
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_
Join Date: Mar 2004
Location: Little Elm, Texas
Posts: 13,481
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Dynamat isn't over priced at local stores.
At local stores it's sold at MSRP. The prices you are paying for other deadeners are not retail pricing.
Saying Dynamat is overpriced in this regard is comparing apples to oranges.
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07-19-2007, 09:55 PM
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#8
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Variable Bitrate
Join Date: Apr 2007
Location: Florida
Posts: 365
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if you want, i found HIFIsoundconnection on ebay...they sell bulk paks (36sq feet) of extreme dynamat for $117 a box, and only $0.01 for shipping UPS. i ordered mine last saturday, and got it here this afternoon.
for that price, and only paying 3 cents on shipping for 108 square feet of dynamat is not bad at all...
im gonna soon rip out (or try to rip out) the butyl roofing material i bought at home depot. it does a decent job....but after reading that "sound deadener showdown" by Rudy, I feel I made the wrong choice...so im gonna fix it...ill let everyone know the difference in sound dampening after its installed.
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07-19-2007, 10:02 PM
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#9
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FLAC
Join Date: Jun 2006
Location: Calgary, Alberta
Posts: 1,074
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Oops..sorry. You are right, Dynamat isnt overpriced. It's the manufacturer's right to charge whatever they want for a product. I should have reworded and said Dynmat charges too much per quality. However, that is just my opinion.
Also...I will NOT ever ship with UPS. They charge outrageous brokerage fees for shipments from US > Canada.
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07-20-2007, 05:18 AM
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#10
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Newbie
Join Date: Apr 2007
Posts: 32
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Quote: Originally Posted by rijndael if you want, i found HIFIsoundconnection on ebay...they sell bulk paks (36sq feet) of extreme dynamat for $117 a box, and only $0.01 for shipping UPS. i ordered mine last saturday, and got it here this afternoon.
for that price, and only paying 3 cents on shipping for 108 square feet of dynamat is not bad at all...
im gonna soon rip out (or try to rip out) the butyl roofing material i bought at home depot. it does a decent job....but after reading that "sound deadener showdown" by Rudy, I feel I made the wrong choice...so im gonna fix it...ill let everyone know the difference in sound dampening after its installed.
If the stuff you got at HD is really butyl, I don't know that I would bother pulling it out. The only thing wrong with most butyl roofing materials is that they are very thin and don't have an aluminum foil protective layer. I'd remove asphalt. I'd just apply the Dynamat on top of butyl.
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07-20-2007, 05:37 AM
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#11
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Variable Bitrate
Join Date: Apr 2007
Location: Florida
Posts: 365
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Quote: Originally Posted by Rudy If the stuff you got at HD is really butyl, I don't know that I would bother pulling it out. The only thing wrong with most butyl roofing materials is that they are very thin and don't have an aluminum foil protective layer. I'd remove asphalt. I'd just apply the Dynamat on top of butyl.
ok...ill do that...
i just dont want anything peeling off. the glue i used was the spray glue found at home depot for rubber (attaching rubber to metal or whatever...its a contact cement spray glue)...i think it was either 90 or 98 type...i forget the number on the can...cause they do different things...if its melts off in the florida sun on a black car, im probably not going to be too happy...lol
thanks Rudy
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07-20-2007, 05:42 AM
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#12
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Newbie
Join Date: Apr 2007
Posts: 32
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Quote: Originally Posted by rijndael ok...ill do that...
i just dont want anything peeling off. the glue i used was the spray glue found at home depot for rubber (attaching rubber to metal or whatever...its a contact cement spray glue)...i think it was either 90 or 98 type...i forget the number on the can...cause they do different things...if its melts off in the florida sun on a black car, im probably not going to be too happy...lol
thanks Rudy
I might have to take that back - the butyl stuff is attached with contact cement? I don't know if it will melt or not, but I suspect it is getting in the way of good contact with the sheet metal. In this case, I would personally pull it out - I was assuming you had used something like Grace Ultra, basically the same adhesive as Dynamat Xtreme. Sorry to give you false hope
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07-20-2007, 06:06 AM
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#13
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Variable Bitrate
Join Date: Apr 2007
Location: Florida
Posts: 365
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Quote: Originally Posted by Rudy I might have to take that back - the butyl stuff is attached with contact cement? I don't know if it will melt or not, but I suspect it is getting in the way of good contact with the sheet metal. In this case, I would personally pull it out - I was assuming you had used something like Grace Ultra, basically the same adhesive as Dynamat Xtreme. Sorry to give you false hope
no, its not ultra...but it is Grace who makes it...looks like i am going to have to pull it out...its held up so far, and it works fine right now. it definately helped out a bit...i just think it could be better
thanks man....im off to bed
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