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undercoating

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  • Robert D.
    Very Frequent User
    • April 1, 2003
    • 305

    undercoating

    my car was undercoated at the dealer in 1958 its an early 59 i know this because i have the original window sticker and purchase order this stuf is almost impossible to get off to bare fiberglass is it possible to remove? if not how much off a deduction would it be?
  • Duke W.
    Beyond Control Poster
    • January 1, 1993
    • 15643

    #2
    Re: undercoating

    Those old undercoatings are typically asphalt based and will dissolve with meneral spirits. (So will the frame paint.)

    Several have reported good luck with heat guns. The heat will soften the material, and allow it to be scrapped off. Then you can clean up any residue with mineral spirits.

    Duke

    Comment

    • Mike M.
      NCRS Past President
      • May 31, 1974
      • 8377

      #3
      Re: undercoating

      IF YOU ARE GOING TO DO A FRAME OFF RESTO, PULL BODY AND THEN ATTACK THE UNDRCOATING DEBRIS WITH FIRST, AS dUKE SUGGESTS, MINERAL SPIRITS( KEROSINE OR VARSOL). IF THAT DOESN'T SOFTEN THE UNDERCOATING, GO WITH CAPT.LEES PAINT REMOVER FOLLOWED BY LAQUER THINNER. DON'T LEAVE PAINT REMOVER ON A GIVEN SQUARE FOOT FOR MORE THAN A HALF HOUR BEFORE SCRAPING IT OFF WITH A PLASTIC PUTTY-KNIFE TYPE INSTRUMENT.GOOD LUCK, MIKE

      Comment

      • Jace H.
        Very Frequent User
        • April 1, 1997
        • 253

        #4
        Brake Parts Cleaner

        Bob,

        I used brake parts cleaner in the spray can. It worked well but you need to be well ventilated and it will take the original paint off the frame. Spray, walk away for a minute or two then go back and scrape. Be careful with any paint removers. They can also remove the origianl finish on the fiberglass and lift the fibers. End result will be a fuzzy dog look to the panels. Good luck it is not a fun project. I spent a month getting mine off.

        Jace Holt

        Comment

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