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Customs Keeping floor heat out

Discussion in 'The Hokey Ass Message Board' started by dsteveo, May 1, 2016.

  1. dsteveo
    Joined: Jan 19, 2011
    Posts: 41

    dsteveo
    Member
    from anaheim

    Has anyone used insulation from the local home improvement store and placed under carpet to keep the heat out? If so what did you use other than Dynamat? Trying to save a few bucks...

    Thanks,
    Steve
     
  2. NashRodMan
    Joined: Jul 8, 2004
    Posts: 1,989

    NashRodMan
    Member

    I'm using air duct insulation. It's shiny foil on 1 side, sticky on the other and the core is a foam instead of the tar that some have been using. It sticks really well, ( if you clean the floor), yet will still be able to be pulled up if need be in the future. It comes in a 1 by 15 foot roll at the H. depot.
     
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  3. dirt t
    Joined: Mar 20, 2007
    Posts: 5,368

    dirt t
    ALLIANCE MEMBER
    1. HAMB Old Farts' Club

    What he said^^^^^
     
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  4. Mike51Merc
    Joined: Dec 5, 2008
    Posts: 3,855

    Mike51Merc
    Member

    I bought Fat Mat for about half the price of the big name.
     
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  5. indyjps
    Joined: Feb 21, 2007
    Posts: 5,393

    indyjps
    Member

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  6. BamaMav
    Joined: Jun 19, 2011
    Posts: 6,969

    BamaMav
    Member Emeritus
    from Berry, AL

    I use the Peel and Seal brand from Lowes. Takes several rolls, but it's easy to put down and it stays down. No smell to speak of, either, even on hot days.
     
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  7. I have the Fat Mat myself, definitely a bargain over Dynamat. Found mine on Amazon. Have yet to put it on the floor, but it should work. When I do toss carpet over it, which comes with padding, it should be cooler and quieter. I also replaced the firewall pad when I had the dash and heater out.
     
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  8. fatkoop
    Joined: Nov 17, 2009
    Posts: 713

    fatkoop
    Member

    I put two layers of Peel & Seal in my '40. Taped all the seams (both layers). Felt pad and carpet over all. Has been in for three years. Now I get comments from passengers about how quiet and solid feeling the car is, and the floor is never hot anymore, even after very long summer trips. No smell ever.
     
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  9. mgtstumpy
    Joined: Jul 20, 2006
    Posts: 9,266

    mgtstumpy
    Member

    I used similar in a false floor cavity. Alloy foil backed, brilliant sound and heat proof resistance.
     
  10. dsteveo
    Joined: Jan 19, 2011
    Posts: 41

    dsteveo
    Member
    from anaheim

    Thanks everyone. Great tips. I'll be making my purchase today.
     
  11. slammed
    Joined: Jun 10, 2004
    Posts: 8,150

    slammed
    Member

    user2781_pic480699_1377215514.jpg Fat Matt XXX of the 'bay. Major improvement. Will add another layer. And that silver foil/bubble stuff from the Big Box store will still be a good idea on top of this. Think outer door skins. That Peel & Seal is good too. I used the smaller rolls for the back seat bracing, underside of rear package tray, ect.
     
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  12. 40StudeDude
    Joined: Sep 19, 2002
    Posts: 9,562

    40StudeDude
    Member

    I used "Cool it" by Thermo Tec...it's sold in speed shops and drag racers use it to keep the heat out of their interiors...foil backed with sticky on one side...once you put it down, it does not come up easily...kills floor and firewall heat well...!!!

    R- IMG_5303.JPG
     
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  13. Never2low
    Joined: Jan 14, 2008
    Posts: 1,174

    Never2low
    Member

    Rather than another layer of deadener, look into MLV (mass loaded Vinyl).
    It's the best sound absorption product on the market.
    The Fat Mat is a CLD (constraint layer damper), and it's purpose isn't to block sound (although it will block some), but to deaden panels, so they do not resonate, and transmit noise into the vehicle.
    MLV is multiple layers of high density vinyl, squished together, that effectively "eat" sound waves.

    Some reading.
    https://www.sounddeadenershowdown.com/

    This is a cheaper alternative to some of the brand names. Keep in mind the free shipping, this stuff is HEAVY!
    http://www.amazon.com/Loaded-Vinyl-...=1427585168&sr=8-2&keywords=mass+loaded+vinyl

    Some more reading and info here, although the products are top notch, so is the pricing...
    http://store.secondskinaudio.com/
     
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  14. Steve , I got mine from Lowes and installed it before putting down a new carpet in my Olds wagon and it was pretty cheap if I could afford it. LOL. Bruce. 002.JPG
     
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  15. Blues4U
    Joined: Oct 1, 2015
    Posts: 8,058

    Blues4U
    Member
    from So Cal

    Another vote for "Peal and Seal" from Lowes. Easy cut to fit, peel it and stick it in place. It stays where you put it, and it definitely does the trick on sealing out the heat from the floor. Economically priced too.
     
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  16. dsteveo
    Joined: Jan 19, 2011
    Posts: 41

    dsteveo
    Member
    from anaheim

    The only roll I found at Lowes was 6" wide. Is that the one you used?


    Sent from my SM-N920P using H.A.M.B. mobile app
     
    JeffB2 likes this.
  17. I used the bubble wrap from lobucrod on my 52. Lined the floors, doors and roof. Not sure if other stuff works better, but for the $ it worked great.
     
  18. If you go to the Dyna Mat site, they'll have you putting all sorts of stuff down on the floor. I chose to go with a single layer of Fat Mat, better than nothing and cost effective over Dyna Mat. I'm putting it up on the inside of the roof and the trunk floor too.
     
  19. Blues4U
    Joined: Oct 1, 2015
    Posts: 8,058

    Blues4U
    Member
    from So Cal

    Yes, that's what I used. Working with a wider roll would be a bit more awkward I think. The floor of a A isn't so wide.
     
  20. Gregg Pellicer
    Joined: Aug 20, 2004
    Posts: 1,347

    Gregg Pellicer
    Member

    They also sell it in a 36"wide roll . Cost about 100 buck's. Not all Lowe's store's keep it in stock but they can all order it for you. One roll will easily do a full size car.
     
  21. 29moonshine
    Joined: Dec 30, 2006
    Posts: 1,355

    29moonshine
    Member

    be careful with peal and seal from lowes it is tar base and will go up in flame very fast. [ take a piece and light it and see what happens]
     
  22. dsteveo
    Mine was wider and I had to spray glue on the back of it but it worked.It took only 2 and 1/2 rolls to do the whole Olds station wagon. Bruce.
     
  23. Fat47
    Joined: Nov 10, 2007
    Posts: 1,565

    Fat47
    Member

    While I use Dynamat Xtreme for the underside of the roof on builds I use Peel and Seal or Flex Clad 400 for the floors and doors. The local Mfg. Rep for Flex Clad said that he couldn't guarantee the product wouldn't come lose if applied in large underside areas like a roof but it would work fine on vertical surfaces and floors. Ordered a 9 sheet package of Dynamat Xtreme yesterday from Amazon for $149 which is about $100 cheaper than other sellers and it had free shipping. Also ordered a roll of 36"wide by 30' long Peel and Seal form local "Do it yourself" lumber/hardware store for $120. Some Lowe's carry these larger rolls and some will order it for you.
     

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