Acrylic Laquer Paint Advice Needed - C1 - NCRS Discussion Boards

Acrylic Laquer Paint Advice Needed - C1

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  • Charles C.
    Expired
    • May 31, 1978
    • 65

    Acrylic Laquer Paint Advice Needed - C1

    I am repainting the dash of my '54 Vette because sanding scratches have shown through after 10 years from the paint job that is on the car. The car was painted 10 years ago with acrylic lacquer and I will be repainting the dash with acrylic lacquer. The paint on the dash is solid except for the sanding scratches that are showing through.

    I am not an experienced painter. In the past I have followed these steps:

    (1) paint base coats with high solids acrylic lacquer primer
    (2) paint using PPG Deltron NCS 2004 sealer gray
    (3) paint using acrylic lacquer as the final coat.

    Since the surface is now smooth (sanded with 800 grit wet sand paper), do I need to first put a primer down (step (1)) or can I paint using the sealer followed by the final lacquer coat?

    Thanks for any suggestions.
    Charles
  • Russ S.
    Extremely Frequent Poster
    • April 30, 1982
    • 2162

    #2
    Re: Acrylic Laquer Paint Advice Needed - C1

    With it sanded you don't need a primer or sealer providing you have the former sanding scratches all sanded out. However if you aren't going to use a primer and or sealer, you need to sand with finer paper than 800. I would think 1000 would be ok. Lacquer paint doesn't fill much at all.

    Comment

    • Bill W.
      Extremely Frequent Poster
      • March 1, 1980
      • 2000

      #3
      Re: Acrylic Laquer Paint Advice Needed - C1

      Hi Charles . If the surface is smooth and there is no cracking or crazing you can recoat with lacquer without primer or sealer .A good way to check the surface of the old paint is a wipe down with a 50/50 mix of alcohol & water and a good hard look as it dries . I would thin the paint with a fast to medium dry thinner and about three medium coats of color. Do it on a warm day or a warm garage .....Bill

      Comment

      • Tom N.
        Expired
        • May 6, 2012
        • 42

        #4
        Re: Acrylic Laquer Paint Advice Needed - C1

        I agree with Bill, put 3 to 4 coats on, let it sit a few weeks, sand with 1000 grit or so, recoat
        3-5 coatts...sand 1,200 or more, you will like the results.

        Comment

        • Gary C.
          Administrator
          • October 1, 1982
          • 17659

          #5
          Re: Acrylic Laquer Paint Advice Needed - C1

          Charles,

          Always best to gelcoat any 53-7 IMHO.

          When in doubt ask Tom Ames.

          Gary
          ....
          NCRS Texas Chapter
          https://www.ncrstexas.org/

          https://www.facebook.com/profile.php?id=61565408483631

          Comment

          • Mike B.
            Expired
            • November 1, 2004
            • 389

            #6
            Re: Acrylic Laquer Paint Advice Needed - C1

            Lacquer on lacquer as mentioned does not need a lot of fuss provided the foundation is sound. The thinning solvents will bite into the previous paint, even if it is 10 years old. But that's also part of the reason why it doesn't fill all that well and why 4-6 wet coats are needed for ample color coverage and depth. Plus since there is no clearcoat, the final polishing step to gloss will remove some of the paint just laid down.

            Painting is 95% proper preparation, 5% spraying (the fun part). So if not done so already, thoroughly wash the area with a water or solvent based degreaser. If there is wax present before sanding, it can be rubbed into the small scratches so scrub it with hot water and citrus cleaner or an autobody degreaser as prep. Then go back over with sandpaper to remove any possible new scratches behind from scrubbing.

            IMO you don't need the sealer if there is no change in color. Two coats from a rattle can of acrylic lacquer sandable primer (will fill/build) smoothed to 600 - 800 is ample prep, or of course you can shoot the same from a gun. And you don't and actually shouldn't wait weeks to top coat. Let the primer flash off for about an hour then sand it smooth using a block or pad, never bare hands as it won't cut flat. Then you can top coat any time thereafter but make sure the water is dry if you wet sand; use the alcohol/water mix as suggested or Windex as it also evaporates quickly. Make a final wipe with a tack cloth and then top coat. Let that dry at least overnight and polish it to a gloss with a buffer and compound.

            I don't know where you live, but if it is north where the temperatures are now hovering in the 50's you can still shoot acrylic lacquer, but use a fast thinner or if using the medium thinner, wait about 30 minutes to "flash off" between coats for the solvent to evaporate. Make the first coat light to create a "tack" then go on top with successive wet coats. I just shot my entire '61 this weekend using a blend of fast/medium thinners at a constant 50 degrees ambient and it came out spectacular. I had hoped to spray it much earlier in the season but life's other priorities got in the way. You all know how that story goes.

            Happy spraying!
            Mike

            Comment

            • Chris S.
              Extremely Frequent Poster
              • January 1, 2000
              • 1067

              #7
              Re: Acrylic Laquer Paint Advice Needed - C1

              Originally posted by Gary Chesnut (5895)
              Charles,

              Always best to gelcoat any 53-7 IMHO.

              When in doubt ask Tom Ames.

              Gary
              ....
              sorry - I disagree.......
              They were never gel coated from GM
              Today 2k products and today technology can tackle substrate problems..
              Last edited by Chris S.; November 19, 2012, 11:58 AM.
              1954 Corvette #3803 - Top Flight 2012, Bloomington Gold 2012,
              Triple Diamond Award 2012, Gold Concourse Award 2012, Regional and National Top Flight 2014
              1954 Corvette #3666 - "The Blue Devil" - Pennant Blue - restoration started
              1957 Corvette - FI 3 sp - Black and Silver

              Comment

              • Charles C.
                Expired
                • May 31, 1978
                • 65

                #8
                Re: Acrylic Laquer Paint Advice Needed - C1

                Thanks so much for all this advice. It is great to have access to the great experience on the board.

                Charles

                Comment

                • Troy P.
                  Extremely Frequent Poster
                  • February 1, 1989
                  • 1284

                  #9
                  Re: Acrylic Laquer Paint Advice Needed - C1

                  Hold the presses! The top of the 54 dash should be low gloss to flat in sheen. So don't forget to put flattner in the paint. And you won't want to be doing any color sanding or polishing after the paint has cured or you'll end up with a gloss finish.

                  I just have a feeling you were talking about the top of the dash not the face. If I'm wrong ignore my advice.

                  Comment

                  • Charles C.
                    Expired
                    • May 31, 1978
                    • 65

                    #10
                    Re: Acrylic Laquer Paint Advice Needed - C1

                    Yes, I was aware of the low gloss to flat sheen needed on the dash top of the '54.

                    Would it be a good plan to:

                    - paint the first round of coats without the flattener
                    - allow to dry
                    - then sand and dry and
                    - then apply the final coats with the flattener?

                    Comment

                    • Troy P.
                      Extremely Frequent Poster
                      • February 1, 1989
                      • 1284

                      #11
                      Re: Acrylic Laquer Paint Advice Needed - C1

                      I would shoot all the coats with flattner. That way you'll be able to see how flat or not your mix is and make appropriate adjustments before the final coat.

                      Comment

                      • Chris S.
                        Extremely Frequent Poster
                        • January 1, 2000
                        • 1067

                        #12
                        Re: Acrylic Laquer Paint Advice Needed - C1

                        Agree !!!!!!!!!
                        1954 Corvette #3803 - Top Flight 2012, Bloomington Gold 2012,
                        Triple Diamond Award 2012, Gold Concourse Award 2012, Regional and National Top Flight 2014
                        1954 Corvette #3666 - "The Blue Devil" - Pennant Blue - restoration started
                        1957 Corvette - FI 3 sp - Black and Silver

                        Comment

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