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Stick on sound deadener?

Discussion in 'The Hokey Ass Message Board' started by Outback, May 3, 2012.

  1. Outback
    Joined: Mar 4, 2005
    Posts: 1,148

    Outback
    Member
    from NE Vic

    I've been thinking about using a stick on sound deadener and was wondering (not having seen them in person) whether they were a good way to hold moisture to panels and subsequently rust them out?? has any one had this problem??

    Cheers

    Glenn
     
  2. Stu D Baker
    Joined: Mar 4, 2005
    Posts: 2,596

    Stu D Baker
    Member
    from Illinois

    Properly installed, there should be no issues. Stu
     
  3. GeezersP15
    Joined: Dec 4, 2011
    Posts: 538

    GeezersP15
    Member
    from N.E. PA


  4. bonez
    Joined: Jul 16, 2007
    Posts: 3,493

    bonez
    Member
    from Slow lane

    Most cars have it from the factory.
    I used the one from a building supplies store as it was 10 times cheaper than the automotive one. Just needs to be heated up a bit to shape properly.
     
  5. Retro Jim
    Joined: May 27, 2007
    Posts: 3,859

    Retro Jim
    Member

    They all pretty much work the same and work very well .
    Just start with clean metal that is well sealed with paint or any other choice to cover and seal the metal with and you will be fine . Just read and follow the instructions .

    Retro Jim
     
  6. Whatever you do, dont use carpet, I pulled enough carpet out to redo my hall way the other week and discovered that the carpet was holding the floor together :rolleyes:
     
  7. Ford blue blood
    Joined: Jan 4, 2009
    Posts: 641

    Ford blue blood
    Member

    McMaster-Carr has a mastic that works really well....part # 9709T39.....I have used it in several vehicles with super results. 32" X 54" X 1/16 self sticking is $18.95 a sheet.
     
    Last edited: May 3, 2012
  8. sunsetdart
    Joined: Feb 24, 2009
    Posts: 106

    sunsetdart
    Member

    if you use the stick on deadner, make sure you tape the seams. I did my car with the sticky stuff and got the metal tape at home depot. much cheaper there .
     
  9. chuxx
    Joined: Jul 15, 2007
    Posts: 208

    chuxx
    Member

    I've used the Hushmat with good results. It's expensive compared to the stuff you can get at Home Depot and glue on.
     
  10. 40FordGuy
    Joined: Mar 24, 2008
    Posts: 2,907

    40FordGuy
    Member

    Use it over paint and seam sealer...... Like factories do....

    4TTRUK
     
  11. Dane
    Joined: May 6, 2010
    Posts: 1,352

    Dane
    Member
    from Soquel, CA

    I'd never use it on an unpainted panel. Paint on some Miracle Paint or similar product 1st.
     
  12. Check out the 3M sound deandning pads. They work very well and you can cut them into different sizes. They look like the pads used ontodays cars
     
  13. Deuce Daddy Don
    Joined: Apr 27, 2008
    Posts: 4,956

    Deuce Daddy Don
    ALLIANCE MEMBER

    Daughter helped me brush on 3M sound deadener back in 1964, works good!----Still on today!---Mixes with water.:D:D
     

    Attached Files:

  14. BAD PENNY
    Joined: Aug 22, 2011
    Posts: 1,244

    BAD PENNY
    Member
    from mass

    I used the Dynamat stuff with good results. I got it at Best Buy in the stereo dept.
    Cut to fit...peel and stick.
     
  15. Tikitaxi
    Joined: Apr 13, 2012
    Posts: 11

    Tikitaxi
    Member
    from NorCal

    I used the 'hushmat' stuff on the floor and trunk floor of my '56 Chevy. I painted over the floor (under the mat) just to be sure. Three years later it's still all good.
     
  16. codeblu
    Joined: May 11, 2006
    Posts: 606

    codeblu
    Member

    Oddly enough I have an OT Mopar wagon that was ordered as sound deadener and insulation DELETE car. It's like riding in a beer can.
     
  17. Shobra
    Joined: Oct 6, 2008
    Posts: 82

    Shobra
    Member
    from SLC, Utah

    I have done both Dynamat and Second Skin, I prefer the Second Skin. The Showdown site used to have all the info but is missing the comparisons now.

    http://www.secondskinaudio.com/

    oh yeah like other have said use over a painted surface and make sure the surface is clean before installing, tape the seam with the metal ducting tape from Home depot.

    I DO NOT use it on the bottom 3 inches of vertical panels like doors etc..
     
  18. Sumfuncomet
    Joined: Dec 31, 2011
    Posts: 578

    Sumfuncomet
    Member

    I used Lizard skin spray on sound deadener and their spray on heat control. Then I put 1/2" foam from dynamat on the floor, firewall and trans tunnel followed by 1/4" bubble pack on roof and door panels with 1/4" foam dynaliner over that. The reason I did all that was the 697 horse blown Clevor under the hood. I had a blown 33 Nash coupe before that with no carpet or sound deadener at all......anything more than 20 minutes in it and you wish you had brought earplugs. Now is the time , early in a build to think about how adding sound deadeners and the accumulated thickness may impact such things as gas pedal mounting, seat base brackets etc.
     
  19. Outback
    Joined: Mar 4, 2005
    Posts: 1,148

    Outback
    Member
    from NE Vic

    Thanks fella's, Good info, the reason for the questions, is that I've seen some aircraft with serious corrosion issues due to stick on insulators, they weren't painted underneath.

    Glenn
     
  20. 1971BB427
    Joined: Mar 6, 2010
    Posts: 5,772

    1971BB427
    Member
    from Oregon

    I used the grey foam stuff with foil covering from Home Depot. It works great and was only $16 or 15 sq. ft. Just be sure NOT to get the asphalt based stuff. The good stuff is in the heating duct section in a 15' roll.
     
  21. davidh73750
    Joined: Apr 21, 2009
    Posts: 1,561

    davidh73750
    Member

    a few years ago I ordered summit's brand of deadner and low and behold it was Hushmat. I applied por 15 paint for safe measure prior. It made a lot of difference in the car. Even shutting the doors felt more solid. Was much quieter and I was pleased.
     
  22. yetiskustoms
    Joined: May 22, 2009
    Posts: 1,932

    yetiskustoms
    Member

    Lizard skin for roofs....
     
  23. Black_Sheep
    Joined: May 22, 2010
    Posts: 1,218

    Black_Sheep
    Member

    I used FatMat on the firewall, floor, back of cab, doors and kick panels. It was well worth the money, the cab seems a lot more solid and road noise was noticably reduced.
    [​IMG]
     

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