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Unread 09-27-2007, 12:35 PM   #1
archer75
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sound dampening the inside of a hard top?

I don't much care for the interior of the hard top, it's white. I'd like to darken it up by painting it but was thinking that I could try to find some sound dampening material and line it with that. Has anyone done anything like this?

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Unread 09-27-2007, 12:36 PM   #2
Michael_K
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Yes I have.





Michael K.
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Unread 09-27-2007, 12:40 PM   #3
garybattles
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What materials did you use?
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Unread 09-27-2007, 12:46 PM   #4
Michael_K
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D-amplifier sound deadening mats and Hardtop liner by California top.
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Unread 09-27-2007, 12:49 PM   #5
highrisetj39.5
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hardtop liner looks nice hows it do? really work well?
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Unread 09-27-2007, 01:23 PM   #6
rljsrubicon
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Very Nice

I like that a lot.. Ron

Quote:
Originally Posted by Michael_K
Yes I have.





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Unread 09-27-2007, 02:41 PM   #7
Sko
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Michael K. - Looks good. Is it noticably quiter?
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Unread 09-27-2007, 03:04 PM   #8
thesherm
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for an easy job with a custom look and a lot cheaper, get 1/2" foam, a can of adhesive spray and the fabric of your choice at walmart or a fabric store.

i would post pics but my hardtop is buried in the back of the garage for another month or so.
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Unfortunately you are one of those poor misguided folks that believes leaving the gear shift lever in one slot or another is an indication of control.

Come go for a ride and I'll be glad to demonstrate the difference between what you perceive incorrectly as "control" and what control actually is.

Pick a different reason because that one is both lame and stupid to perpetuate.
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Pardon me for damaging your precious reputation. It's not that I disagree, that would be a difference of opinion. This isn't subjective, it's objective, you are just wrong. If you make that statement, you are misguided. It is that simple.
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Unread 09-27-2007, 03:04 PM   #9
TheMightyGoat
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Are you trying to reduce wind noise or what?
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Unread 09-27-2007, 03:26 PM   #10
Michael_K
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Quote:
Originally Posted by highrisetj39.5
hardtop liner looks nice hows it do? really work well?
I don't know. I have insulated the whole jeep, not just the hardtop.



Yes it is noticeably quieter than before putting in the insulation. I did sound measurement but I cannot find the excel file.

As far as I remember, my TJ used to hit 88db on highway. It is below 80 more like 76db average.

Anything above 85db will cause you to lose your hearing over time. I don't want to wear a hearing aid when I get old.

As far as putting thick insulation vs thin, you gotta understand that there are roughly two tasks when insulating, sound insulation and heat insulation. Heat insulation is accomplished by thick foam type material where it traps heat. Whereas when you are trying to quiet things down in a vehicle, you attach dense and relatively heavy material on surfaces where the vibration causing the noise. By adding more weight to the flat surface where it vibrates, more energy is needed vibrate. Adding more weight usually stops most of vibration.

Foam type is also used to absorb echoing within the vehicle. The hardtop liner was used for that purpose and to hide the insulation mat.

Michael K.
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