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dynamat vs B quiet vs fatmat?? preferences???

Discussion in 'The Hokey Ass Message Board' started by flatoz, Apr 5, 2008.

  1. flatoz
    Joined: May 11, 2003
    Posts: 3,201


    Looking for some under carpet stuff. I saw Groucho's post on dynamat and looking on evilbay there are a few other options.

    Just wondering are the other two ok?? or just go with the dynamat and be done with it??

    any thoughts or suggestions I'm looking at doing a couple of cars so will need 5 boxes of the 36 sq feet of dynamat . the others are cheaper but are they the same quality?
  2. There is a Roofing product called Weatherwatch I think it's made by GAF, very similar to Dynamat. It is used on the bottom 3' of the roof instead of tarpaper under the shingles, most cities in cold weather climates require it by code. It comes in a 3foot wide roll,and is available at most building supply stores. I've never used it on a car for sound deadener but I have put it on Roofs.
  3. KomptonKid
    Joined: Oct 10, 2006
    Posts: 144


    Also a product out there called Koolmat I read some good things about on a Vette board. Not sure of its pricing, tho.
  4. zipper-z
    Joined: Aug 14, 2007
    Posts: 92

    from MA

    I used fatmat on my 46 truck and it worked well. It was much less than dynamat.

  5. There's also a roll of roofing material called Stormgaurd Leak Barrier. The Weathergaurd & Stormgaurd would be ok on the floor only. I personally wouldn't trust anything but Dynamat under headliners, and use the other brands on verticle surfaces, inside quarters and doors, etc.
  6. redrico1
    Joined: Feb 24, 2006
    Posts: 85


  7. IGOR
    Joined: Jun 27, 2002
    Posts: 645


    I used Hushmat. Good stuff.
  8. Flat Ernie
    Joined: Jun 5, 2002
    Posts: 8,406

    Flat Ernie
    Tech Editor

    I used one of the stick-on tar roofing products in my '40 on the floor & even some side panels - made a big difference & much, much cheaper than dynamat. For the roof I used some very light foil-bubble stuff that I glued on.

    Do a search for soundproofing or something similar - plenty of discussion here.
  9. guiseart
    Joined: Apr 7, 2005
    Posts: 3,872


  10. greasel
    Joined: Jan 24, 2007
    Posts: 325

    from Fresno, CA

    good friend of mine has done car audio and home theater professionally for years and he highly recommends fatmat, as dynamat is pretty overpriced. look for the 80-mil thick Rattle Trap Deadener by FatMat, they have a ton of different rolls and panels listed on ebay. in addition to a noise deadener it's a thermal barrier...not all sound deadeners are thermal barriers. the ones designated as thermal barriers typically have a metal backing and a much better adhesion.
  11. Mopar34
    Joined: Aug 8, 2006
    Posts: 1,028


    Whatever you decide to use make sure it is non-flamable. Accidents happen, things catch on fire, being toasted ain't no fun.:eek:

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