Sound deadening question

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Sound deadening question

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Sound deadening question - 7/21/2008 1:57:49 PM

Big Frost

Posts: 87
Joined: 5/11/2008
Status: offline

Just finished the front doors and speaker pods, but when i got to the rear doors there was a protective film (see pic), should i deaden over it or take it off and deaden over moving parts?

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RE: Sound deadening question - 7/21/2008 3:57:37 PM

Blazin_Jason

Posts: 1060
Joined: 5/17/2006
From: Van Isl, B.C.
Status: offline

I would take it off and put it back on after if it still fits.

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85 S10 Blazer 4x4, 2 door, undergoing 350 swap, 3" BL, 33''''s

89 Jimmy 4x4, 2 door, 4.3/auto

(in reply to Big Frost)

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RE: Sound deadening question - 7/21/2008 4:16:48 PM

Big Frost

Posts: 87
Joined: 5/11/2008
Status: offline

well do you know what it is? do you know if i even need it on there at all?

also, do you think deadening the whole car is worth it? will it make a big difference from just the doors being deadened?

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Post #: 3

RE: Sound deadening question - 7/21/2008 6:24:55 PM

bobditts

Posts: 681
Joined: 10/16/2007
Status: offline

Do not deaden over it. The purpose of deadening is to lower the resonant frequency of the metal so it doesnt make any noise when it vibrates.

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Post #: 4

RE: Sound deadening question - 7/21/2008 10:15:28 PM

Big Frost

Posts: 87
Joined: 5/11/2008
Status: offline

Really ?

I though it was to reflect the audio and keep it in the car...so does that mean i should deaden inside the doors as well?

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RE: Sound deadening question - 7/22/2008 4:37:20 AM

bobditts

Posts: 681
Joined: 10/16/2007
Status: offline

if you have extras, yes. The sound always stays in the car. The deadener reduces road noise which makes it appear that your sound is louder and clearer. In my doors I have 3 layers of deadener and 1 layer of 1.5" thick sound absorbing foam. Then again, I also have 10" subs in the doors.

(in reply to Big Frost)

Post #: 6

RE: Sound deadening question - 7/22/2008 12:21:55 PM

The A Team

Posts: 145
Joined: 5/22/2008
Status: offline

Ya just make sure you put it on to the steel itself. IF the deadener falls off its not doing you any good. Clean the surface really good, even rough it up with 40 grit sandpaper if you want, this will help it adhere better which is the key. That plastic sheet is just a vapor barrier that is it. By sealing up the holes in the door with deadener it will now become your vapor barrier, no need to reinstall the plastic.

(in reply to bobditts)

Post #: 7