How to Paint a Guitar in a Sunburst

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Creating a sunburst finish on a guitar offers a challenge that will require some attention to detail but, with practice, the results will be well worth the effort. The sunburst finish concept is one that was first developed by Gibson in the 1950's, and since then there have been many variations on the original technique. A sunburst finish uses several different shades of finishing material to create the sunburst effect: a "sun" in the middle of the guitar surface, around which a darker color is then added.

Things You'll Need

  • Lacquer stripper
  • Putty knife
  • Fine sandpaper
  • Wet sandpaper (fine grit)
  • Small sanding block
  • Clear nitrocellulose lacquer aerosol spray can (transparent, not opaque)
  • Yellow nitrocellulose lacquer aerosol spray can (transparent, not opaque)
  • Darker nitrocellulose lacquer aerosol spray can (color of your choice; transparent, not opaque)
  • Naptha
  • Polishing compound
  • Masking tape
  • Scissors
  • Newspaper
  • Soft cloth
  • Sunburst finishes are most commonly applied to the face of a guitar. If the face is currently natural (no color, just natural wood grain showing through), skip to Step 4. Otherwise, use a lacquer stripper to remove the existing finish, all the way down to bare wood. A narrow putty knife is helpful in removing the old lacquer. Hold it at roughly a 45 degree angle and gently apply pressure in the direction of the wood grain (to avoid cross-grain scratches).

  • Use a piece of fine dry sandpaper to carefully sand the wood surface until it is smooth. When sanding, make sure that your sanding strokes follow the "grain" of the wood to prevent unsightly cross-grain scratches. Wrapping the sandpaper around a small block of wood is a proven technique that will help assure a consistently level surface.

  • Protect the sides of your guitar with strips of newspaper, attaching the strips to the sides with masking tape. The tape should be positioned to closely follow the top of the instrument.

    Make sure that all dust has been removed from the top surface and, following the manufacturer's instructions, spray on a coat of clear lacquer. Repeat several times.

    Drying times will vary dependent upon humidity, but lacquer generally dries within an hour of application. When dry, use wet sandpaper and naptha to level the lacquer surface. Wipe off any residue with a soft cloth.

  • Spray on a coat of yellow lacquer across the entire top surface of the guitar. Repeat as needed to assure an even coat of color. When dry (generally within an hour of application), use wet sandpaper and naptha to level the lacquer surface. Wipe off any residue with a soft cloth.

    Spray on a coat of clear lacquer. Repeat several times. When dry (generally within an hour of application), use wet sandpaper and naptha to level the lacquer surface. Wipe off any residue with a soft cloth.

  • Using the darker lacquer color of your choice, spray the outside edge contour of the face of your guitar first. Repeat this process as many times as required for the color to achieve the hue of your preference. The color at this outside edge should always be the darkest, and less so as you approach the center.

    Once dry, repeat this process, 1 to 2 inches further in toward the center of the face. Less repeats will be required, as the intent here is to begin to blend a lighter color into the existing darker one.

    Repeat this once again to continue blending shades of color. Let dry. Apply a coat of clear lacquer. Repeat several times. When dry, use wet sandpaper and naptha to level the lacquer surface. Wipe off any residue with a soft cloth.

    Let the lacquer continue to cure for an additional 24 to 48 hours.

  • Remove the masking tape and newspaper. Using polishing compound and a soft cloth, polish the top coat of clear lacquer until the finish is even and shiny.

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References

  • Photo Credit Guitar player #1 image by Warren Millar from Fotolia.com
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