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Sound Deadening for Doors

Interior / Trim

  1. money pit

    money pit Well-Known Member

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    Where should sound deadening material such as Dynamate be placed on the doors? I've seen it on the inside on the doors and on the outside of the doors (under the interior door panels). I was thinking about using Lizard skin. Has anyone had experience with Lizard skin? Will Lizard skin deaden more sound? Thanks
     
  2. michiganhotrod1

    michiganhotrod1 New Member

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    I improved the interior noise levels in my 70 Challenger R/T with the following:
    - Glued used OEM floor insulation (jute plus a tar-ish backing ) from a junkyard minivan (lots of flat material, and dirt cheap) to the insides of the door panel plastic. needed to avoid the space where it screws to the bracket, but otherwise pretty easy.
    - Used Dynamat to cover the rear seat floor, package tray metal, and all of the openings around the trunk divider, since a lot of noise comes in there. I also added the minivan floor insulation to the backside of both seat cushions.
    - Ditto above for the rear quarter trim panels, covered the window mechanism access areas.
    - Stuffed insulation into the sail panel area from inside the trunk.
    Basically, I wanted to stop noise transmission from the trunk area into the passenger compartment. All of the modifications are hidden.
    I HAD a noisy rear axle (still do, another sad story) but now I really have to listen to hear it.
    Mark
     
  3. money pit

    money pit Well-Known Member

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    Thanks. That's good advice. I also have a lot of noise from the trunk, exhaust, and rear end areas.
     
  4. Fishgutz

    Fishgutz Member

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    I had my Cuda sprayed with Lizard Skin sound deadener and heat shield before paint. Still assembling, not sure how well it works, we’re gonna find out pretty soon.

    7D5C5A6C-122A-4970-9DF9-2E01F4EF8267.jpeg

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  5. money pit

    money pit Well-Known Member

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    Thanks, it looks really nice.
     
  6. Fishgutz

    Fishgutz Member

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    If you’re good with a spray gun or can afford to have it done, it’s a bunch easier than Dynamat. I don’t recommend doing the inside of your doors. Really difficult to the spray gun in there and get it even.
     
  7. Fishgutz

    Fishgutz Member

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    Correction: Really difficult to get the spray gun in there.
     
  8. money pit

    money pit Well-Known Member

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    Thanks. I think I might go with the dynamat route since the Lizard skin is a bit pricey to have it done. I already have the interior and headliner in.
     
  9. John Rimel

    John Rimel Well-Known Member

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    I used Raptor on the entire floor. Then used Raptor in a can for the doors. I then used Dynamat on the inside of the doors and the inside of the quarter window area. Oh, also Raptored the rood before the headliner went in. Doors now close solid