How to Paint Over Burned Wood

Written by ryan lawrence
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How to Paint Over Burned Wood
Use a stain-blocking primer. (Jupiterimages/Photos.com/Getty Images)

When inexperienced amateurs try to paint over burnt wood, bleed-through usually follows. If you apply paint directly over the top of wood blackened by fire, coverage will prove impossible. A primer base coat can permanently seal burnt wood; unfortunately, the wrong type of primer will prove ineffective. Learn the proper way to prepare burnt wood for a painted finish, or flaking and bleed-through may result.

Skill level:
Moderate

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Things you need

  • Dust mask
  • Power sander
  • 80-grit sandpaper
  • 120-grit sandpaper
  • Tack cloths
  • Stain-blocking shellac primer
  • Roller frame
  • Nap roller cover
  • Natural-bristled paintbrush
  • Denatured alcohol
  • Latex paint
  • Nylon paintbrush

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Instructions

  1. 1

    Put on a dust mask. Remove flaking pieces of burnt wood by sanding with 80-grit sandpaper. Do not move the sander against the wood grain or severe damage may result.

  2. 2

    Smooth the wood by sanding it with a finer 120-grit sandpaper.

  3. 3

    Wipe the burnt wood with sticky tack cloths. Thoroughly remove all dust particles, or the stain-blocking shellac primer won't adhere.

  4. 4

    Coat the blackened wood with a stain-blocking shellac primer, using either a roller or natural-bistled paintbrush. Let the burnt wood dry for two hours.

  5. 5

    Add a second coat of shellac primer. Let the burnt wood dry for another two hours.

  6. 6

    Wash your application tools with denatured alcohol.

  7. 7

    Apply latex paint to the primed wood. Use a roller or nylon paintbrush.

Tips and warnings

  • Do not try to prime burnt wood using a latex or acrylic base coat, or bleed-through will result.
  • Don't use an oil-based stain-blocking primer in place of a shellac one; latex paint won't bond to oil-based undercoats.

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