How to fix peeling paint on a window sill

Written by claudia henning
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How to fix peeling paint on a window sill
The cracked and peeling paint surface of an outside window sill. (artistalinda; Photobucket.com)

Painted windowsills, both inside the home and out, begin to crack and peel after years of wear and tear and exposure to moisture. This small problem gives a home an old and unkempt appearance. A little scraping, sanding and painting, and the windowsills will look like new again.

Skill level:
Moderately Easy

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Things you need

  • Safety glasses
  • Putty knife or paint scraper
  • 100-grit sanding sponge
  • 220-grit sanding sponge
  • Plastic dust sheet
  • Paint brush
  • Latex primer
  • Semi-gloss interior or exterior paint

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Instructions

  1. 1

    Use a putty knife or a paint scraper to remove the peeling and cracked paint. Sand the surface with a 100-grit sanding sponge. Switch to a 220-grit sanding sponge to finish off with a very smooth surface.

  2. 2

    Cover any areas you do not want to get paint splatters on with a plastic dust sheet. Apply a layer of latex primer paint with a paintbrush. Allow 2 or 3 hours for the primer coat to dry.

  3. 3

    Apply two coats of semigloss interior paint if you are painting an inside windowsill. Use a semigloss exterior paint for an outside windowsill. Allow a few days for the paint to dry and cure.

Tips and warnings

  • Choose a time of the year that is warm, dry and has less humidity.
  • Wear safety glasses to avoid getting paint chips in your eyes.

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