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Sound Deadening/Isolation - Headliner

Discussion in 'Audio & Video' started by bvbull200, Aug 10, 2020.

  1. Aug 10, 2020 at 12:38 PM
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    bvbull200

    bvbull200 [OP] Well-Known Member

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    How much product (thickness) can I fit on the roof behind the headliner?

    I was looking at 80 mil butyl sound deadening + 315 mil sound isolation heat/cool closed cell foam. I did 50 mil + 157 mil of those on my doors, floor, rear cab wall, but that was a while ago and I can't remember how thick that was, but it seems to me it'd add up with regards to the headliner.

    If not that option, what's the best bang for my buck? I will ONLY be doing the headliner at this time as the rest of the truck is pretty well squared away, so I only need ~20 -25 sq ft of material.
     
  2. Aug 10, 2020 at 1:04 PM
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    destin_meeks

    destin_meeks I used to fix people's crappy stereos

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  3. Aug 10, 2020 at 2:22 PM
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    Vdubfiend

    Vdubfiend New Member

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    I did all three stages from the glass down... on the headliner is just did the buytl
     
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  4. Aug 10, 2020 at 2:23 PM
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    r.shackleford

    r.shackleford ...

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    same here
     
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  5. Aug 10, 2020 at 2:26 PM
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    GHOST SHIP

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  6. Aug 10, 2020 at 8:27 PM
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    rob feature

    rob feature Tacos!

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    Not sure how much room you have, but neoprene can be bought in multiple thicknesses, works as a thermal insulator and is compressible if the fit is tight. It isn't going to block a crazy amount of noise, but it also works as a decoupler and can cut down on rattles.
     
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  7. Aug 10, 2020 at 8:32 PM
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    bvbull200

    bvbull200 [OP] Well-Known Member

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  8. Aug 10, 2020 at 8:58 PM
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    GHOST SHIP

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    There’s about 3/4- 1 inch of space between the roof skin and the headliner. Obviously less space at the support ribs or brackets for the so glass holder and dome light so you have plenty of room for insulation.
     
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  9. Aug 10, 2020 at 10:57 PM
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    Yettee

    Yettee Well-Known Member

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  10. Aug 11, 2020 at 7:49 AM
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    bvbull200

    bvbull200 [OP] Well-Known Member

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    Thanks a bunch for the links. Was the 16 sq ft. of insulation pad enough to cover the roof? I have some sound deadener lying around, so I might be able to get away with just buying a little extra if that's all I need. I'm trying to avoid having a ton of excess material if I can avoid it.
     
  11. Aug 11, 2020 at 9:34 AM
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    Yettee

    Yettee Well-Known Member

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    Yeah I actually ordered two sheets of that because my initial thought was to do full coverage. But after dropping the headliner I realized that you can’t really do it because of clearance issues (you would be pressing pretty hard to get the headliner back up flush) so I ended up only using most of one of the sheets. But I plan on doing the back panel behind the back row (I have a DCSB) so the left over and the extra whole sheet should be enough.
     
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