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M-Unit
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Originally Posted by Liquid_Table View Post
Room mate did FatMat in his F150, it's very effective and a lot cheaper than Dynamat. If you have a McMaster Carr account you could look at polymeric mastic sheets but this shit is heavy and the freight is murder.

oh really? employee discount would make that a tasty choice.

as would doing a will call order so you don't pay shipping
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Old 08-09-2012, 01:34 PM M-Unit is offline  
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illig
 
i've been looking at the stuff this guy sells - the overviews are pretty detailed IMHO:

http://www.sounddeadenershowdown.com/cgi-bin/index.cgi

here' s a Honda Element specific application of some of the stuff he has (AlphaDamp):
http://www.elementownersclub.com/for...hlight=dynamat
Old 08-10-2012, 07:50 AM illig is offline  
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oh really? employee discount would make that a tasty choice.

as would doing a will call order so you don't pay shipping

Do it up. Application isn't as easy as Dyna/FatMat due to it being thicker and heavier but I would say in my experience it is equally as good at containing rattles and noise.
Old 08-10-2012, 09:40 AM Liquid_Table is offline  
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You can get shit like that from Home Depot. I've used this black peel-an-stick shit made to go around window flashing or some shit. Works great, basically just like dynamat but with plastic backing instead of foil.

No; please don't spread this ignorant idea. I had used the 'Peel N Seal' product on my 240sx and it made an awful fucking mess; all the while not adhering nearly as well as Dynamat, BrownBread or another applicable product would have managed. the hardware store option is of a different composition and designed to flow at higher temperatures for the sake of offering a seal in it's given application. What this means for your car is a nasty tar mess the first time your vehicle spends a day in the sun. Dynomat and other products are designed to add mass to the body panels; changing their harmonic frequency and absorbing ambient noise.

I would pay the additional cost for a proper product that designed for an automotive application.
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Old 08-10-2012, 06:19 PM DopefishLives is offline  
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M-Unit
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Do it up. Application isn't as easy as Dyna/FatMat due to it being thicker and heavier but I would say in my experience it is equally as good at containing rattles and noise.

the one linked is super thin. Is that normal? it's listed as 1/16" thick, which seems thin to me.
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Old 08-10-2012, 09:30 PM M-Unit is offline  
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No; please don't spread this ignorant idea. I had used the 'Peel N Seal' product on my 240sx and it made an awful fucking mess; all the while not adhering nearly as well as Dynamat, BrownBread or another applicable product would have managed. the hardware store option is of a different composition and designed to flow at higher temperatures for the sake of offering a seal in it's given application. What this means for your car is a nasty tar mess the first time your vehicle spends a day in the sun. Dynomat and other products are designed to add mass to the body panels; changing their harmonic frequency and absorbing ambient noise.

I would pay the additional cost for a proper product that designed for an automotive application.

it's also the exhaust and engine heat if you're talking about the bottom of the car. Ever touch your tranny hump after spending time in traffic? Anyway Peel N seal is useful but does melt so you can't use it upside down on the roof of a black car for example. HOWEVER they also sell foil-backed stick on insulation for metal ducts that withstands cold and hot temps like a champ. Look around some time, it comes in rolls and it's not that much. I don't know how much less or more effective it is but I know that it compares.

you nailed it when you said adding mass. That's all any of these products do, they add mass to thin sheet metal. You can apply damn near anything that sticks and stays semi flexible.

For the record, how did your stuff "make a mess"? did it fall off in an upside down application?
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Old 08-10-2012, 09:48 PM [H]ard|On is offline  
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Old 08-10-2012, 10:28 PM pyramid is offline  
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that line hasn't been used in like three internets
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Old 08-10-2012, 10:29 PM tegandje is offline  
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Old 08-10-2012, 10:33 PM pyramid is offline  
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Liquid_Table
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the one linked is super thin. Is that normal? it's listed as 1/16" thick, which seems thin to me.

I'm not sure if its thicker but its less pliable than the other sound/vibration reducers. When we applied it to my room mate's Nissan we had to use a heat gun. The FatMat we just put in the F150 did not need heat.
Old 08-10-2012, 10:54 PM Liquid_Table is offline  
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Old 08-11-2012, 12:23 PM Tex Arcana is offline  
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DopefishLives
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Quote:
Originally Posted by [H]ard|On View Post
it's also the exhaust and engine heat if you're talking about the bottom of the car. Ever touch your tranny hump after spending time in traffic? Anyway Peel N seal is useful but does melt so you can't use it upside down on the roof of a black car for example. HOWEVER they also sell foil-backed stick on insulation for metal ducts that withstands cold and hot temps like a champ. Look around some time, it comes in rolls and it's not that much. I don't know how much less or more effective it is but I know that it compares.

you nailed it when you said adding mass. That's all any of these products do, they add mass to thin sheet metal. You can apply damn near anything that sticks and stays semi flexible.

For the record, how did your stuff "make a mess"? did it fall off in an upside down application?

The type I used was foil-backed, intended for sealing roof and ducts. The pieces on the roof panels failed to adhere properly, falling on to the headliner. Thankfully these were the least messy, leaving only a few stains on the headliner backing. The worst example was in the trunk and under the carpet where the tar began to flow out from the backing, creating 'pools' of tar.
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Old 08-11-2012, 03:37 PM DopefishLives is offline  
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Quote:
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The type I used was foil-backed, intended for sealing roof and ducts. The pieces on the roof panels failed to adhere properly, falling on to the headliner. Thankfully these were the least messy, leaving only a few stains on the headliner backing. The worst example was in the trunk and under the carpet where the tar began to flow out from the backing, creating 'pools' of tar.

Uhh there's no products for roof AND ducts.

You used the one for water proofing which is meant to melt in the sun and well, seal shit underneath it with gravity:


http://www.toolking.com/mfm-building...FcddtgodpjoAsw


Get the one for ducts. It doesn't melt. There's no roofing mastic or tar in it. Ill post a link if I can find it
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Old 08-11-2012, 04:30 PM [H]ard|On is offline  
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