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#1 |
Registered User
![]() Join Date: Jan 2012
Location: Durant OK
Posts: 372
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Sound deading question
My cab is getting it's make over at the body shop and I'll have it back soon. My question is since I'm using fatmat do I still need to run the factory black pads up on the firewall under dash area. Just trying to get everything ordered so I can get my cab back together when it's back at home. Thanks for any help!
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#2 |
Registered User
Join Date: Feb 2011
Location: Modesto, CA
Posts: 2,188
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Re: Sound deading question
You do not HAVE to, but more insulation in that area can help keep the engine bay heat where it belongs.
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#3 |
Registered User
Join Date: Nov 2009
Location: Michigan
Posts: 474
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Re: Sound deading question
I think it would help keep the heat out and the cold air in if you have a/c. I think it really depends on what look you want.
__________________
Brad handshoe |
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#4 |
Registered User
![]() Join Date: Jan 2012
Location: Durant OK
Posts: 372
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Re: Sound deading question
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#5 |
Registered User
Join Date: Aug 2012
Location: Midland, TX
Posts: 1,267
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Re: Sound deading question
Take a look at my build thread. Just did this. Fat Mat + Aluminized closed cell foam + MLV (Mass Load Vinyl) + Carpet insulation + Carpet.
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__________________
1969 RS/SS Z10 Camaro Pace coupe 1972 GMC Short Step buildhttp://67-72chevytrucks.com/vboard/s...=1#post6356218 1979 Mazda RX7 1979 Pontiac Trans Am WS6 & 1979 Pontiac Trans Am 10th Anniversary 1999 Honda Valkyrie 2006 Corvette Z06 2010 BMW 650i |
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#6 |
Registered User
![]() Join Date: Jan 2012
Location: Durant OK
Posts: 372
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Re: Sound deading question
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#7 |
Senior Member
![]() Join Date: Apr 2011
Location: South NJ
Posts: 1,266
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Re: Sound deading question
Remember, Fatmat and like products do not block sound, they dampen vibration. If you want to block sound, you need to use Mass Loaded Vinyl. Also, you only need to put the mat on 20-40% of the metal area to get the desired effect.
The science behind all this can be read on this excellent website, to which I have no connection but to which I owe my peace and quiet: http://www.sounddeadenershowdown.com/ |
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