If you have light colored vinyl frames even if you remove the paint some pigment will remain that is nearly impossible to remove.
Remove paint from window frame.
Dip a clean rag into water and thoroughly wipe down the window frame to remove any remnants of paint thinner or mineral spirits.
Now new and safer products are available that allow you to remove paint easier with less fewer toxic ingredients.
Outdoor window frames have to put up with a lot.
How to remove paint from wood finishes direct stripping 90 years of paint window frames back to bare wood techniques for painting windows that will save you time and energy window restoration w the silent paint remover part 1 full you.
How to remove old paint from wooden window frames.
Heat cold wind rain and snow.
Removing paint from window frames.
Wipe the paint up with one swipe.
This is much tougher and the fix is imperfect.
Do not scrub as this could.
This is the best option for cleaning paint off a metal window frame because you can avoid making a mess on the glass by applying the remover more precisely.
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Rinse the window frame and then dry it off with a clean rag.
After that take a clean dry rag and dry off the frame completely.
They are only addressing the problem of paint on the window glass.
Make sure the paint stripper instructions state the stripper works on metal.