How to Remove Spots of Paint From Plastic Window Frames

Updated April 17, 2017

Painting your home can be a big task that involves a lot of hard work. We don't always think about taping off our window frames before we start. This may lead to paint spots being slung on them. Plastic window frames scratch easily, so cleaning the paint spots from them must be done carefully. No need to worry though, you can remove the paint spots from your plastic window frames with a few simple steps.

Clean the plastic window frame with Trichloreothylene and cotton balls, according to the directions on the bottle. Ventilate the area prior to using the UPVC cleaning fluid because it has strong fumes. Allow the window frame to dry completely.


Dip a cotton ball into some nail polish remover and gently run it over each spot of paint on your plastic window frames. Allow the nail polish to soak into the paint, which will make it easier to remove. Latex paint will soften quickly, oil based paints may take longer or more coats of polish remover.

Use your fingernail or the blunt end of a spoon to gently scrape away the softened paint spots.Add more nail polish remover if you have a few stubborn spots. Allow the window frame to dry.

Spray clean water onto the window frame and wipe it dry with a paper towel. Rinse the window frames this way until you no longer smell the nail polish remover.


Prevent future paint disasters by lining your plastic window frames with painters tape prior to painting.

Things You'll Need

  • Cotton balls
  • Trichloreothylene
  • Nail polish remover
  • Spray bottle filled with water
  • Paper towels
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