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  • Guide coat

    I've got a question for you guys who paint cars for a living, after I spray the primer can I go over it with a light coat of black spray paint to use as a guide coat after the flash time of the primer or will the two types of paint react with one another?

  • #2
    Spray paint should not be used. The chemical can react and it is a poor way of doing it. Your best bet is to get what is known as a "dry guide coat." It is a black powder that you can apply with an applicator over the primer. It is much more accurate and make less of a mess.
    Last edited by kennybo; 03-18-2012, 06:29 AM.

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    • #3
      You can do it just let the primer flash off for a good while before you lightly spray it on there.
      1997 viper gts
      1986 turbo mustang
      1987 Buick grand national
      1972 nova

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      • #4
        Regular spray paint will gum up the sandpaper sem trimblack in a fine mist coat will do the trick. I don't use a guide coat anymore cuz I'm so awesome....lol. The dry 3m graphite looking guidecoat is good also but I have always preferred The trim black spray can

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        • #5
          Thanks fellas. I'm going to buy a small amount of black base that I can use as a guide coat and turn the gun way down.

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          • #6
            Sem makes guide coat in a spray can. It's more of a dye and dries nearly instant. The powder is ok but can be messy. I had a healper spill some on the headliner of a saab convertable top(top was down). The headliner had to be replaced. $900.00

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            • #7
              Shrewin Williams make a 2k primer that finishes out glossy. No guide coat needed. Low spots will stay shiny.
              One day at a time.

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