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Thread: Looking for sound deadening advise

  1. #11
    Constant Bitrate
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    ha, is that who rudy is? i was wondering about that he posted a few times in other sound deadening threads and i was impressed

  2. #12
    Maximum Bitrate Dennis5587's Avatar
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    Quote Originally Posted by durwood View Post
    Ya I think his username is rudy or rudeboy in some other forums as well.

    Just don't use peel-n-seal or cheap solutions
    lmao, poor guy gets to be harrased now, bad enough his car smells like crap

    2006 Mazda 3
    Behringer DCX-2496
    JL300/4 Focal 6W4311B Focal TN52
    JL500/1 JL10w6v2

  3. #13
    Car Audio Moderator durwood's Avatar
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    that wasn't my intention, but we do learn best from our or others mistakes no? One of my friends from a while back was a general contractor and decided to do his whole truck in peel n seal. I have no idea how it looks now since I haven't seen him in years but I thought it was a good idea at first. Then I did some research and found it wasn't.

  4. #14
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    Here I am popping in I haven't seen any Hushmat firsthand, but my understanding is that is very close to Damplifier in quality. Maybe get your shop to do the job then send me some scraps to test?

    Seriously though, the most important thing is that you not use asphalt. If you have any doubt, there are two simple tests you can do. Either will give you what you need. Test 1: drop a small piece in a few ounces of mineral spirits or turpentine. Wait 15 or 20 minutes. If the liquid turns brown, it is asphalt; black and it is butyl. An easier test is to try and light a piece on fire with a butane lighter. Butyl will ignite, asphalt won't. Only takes a few seconds to light, but watch out, it does that freaky flaming drops thing light plastic does.

    Using a vibration damper like Damplifier or Hushmat will do several things for you. It will improve the quality of the music you hear by reducing resonance in the sheet metal and it will reduce transmission of noise into the passenger compartment. As has been mentioned, to maximize both improvements, you really want to add a layer of closed cell foam to the project. The two approaches combined are much more effective than either one alone.

  5. #15
    Maximum Bitrate Dennis5587's Avatar
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    so closed cell... should you do the entire car in that as well? just go over all the sound deadening? or just certain parts

    Also, what about the trunk, do that as well?

    2006 Mazda 3
    Behringer DCX-2496
    JL300/4 Focal 6W4311B Focal TN52
    JL500/1 JL10w6v2

  6. #16
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    Quote Originally Posted by Dennis5587 View Post
    so closed cell... should you do the entire car in that as well? just go over all the sound deadening? or just certain parts

    Also, what about the trunk, do that as well?
    I like to do it all. I even stuff it into gaps in the dash, use it to make gaskets for trim panels, pretty much where ever it will fit.

  7. #17
    Maximum Bitrate Dennis5587's Avatar
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    so what closed cell do you suggest?

    2006 Mazda 3
    Behringer DCX-2496
    JL300/4 Focal 6W4311B Focal TN52
    JL500/1 JL10w6v2

  8. #18
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    Quote Originally Posted by Dennis5587 View Post
    so what closed cell do you suggest?
    Ensolite MLC, Neoprene High Quality or one of the vinyl-nitriles sold for sound deadening. Just buy it from a reputable source - some people have had weird odor problems with eBay and other unknown sellers.

  9. #19
    Car Audio Moderator durwood's Avatar
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    raamaudio has ensolite and it is very reasonably priced. I looked at some other options but pricing was all the same. Rick is a great guy to deal with.

  10. #20
    CarFrontEnd Creator iamgnat's Avatar
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    Quote Originally Posted by Rudy View Post
    I like to do it all. I even stuff it into gaps in the dash, use it to make gaskets for trim panels, pretty much where ever it will fit.
    I thought the CCF was only used in doors/behind speakers. Is that not really the case?

    -dave
    My pathetic worklog.
    CarFrontEnd (now it's own sub-forum!!!!)

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