Painting Exterior Window Sills

5 to treat a chalky surface apply a stabilising solution to the window sill using a brush.

Painting exterior window sills.

Leave the stabilising solution to dry for the time indicated in the manufacturer s instructions. Most time sills frames window sash is all one unit. Painting wood surfaces requires a bit of sanding and some specialized primer. Make sure the nails are under the final surface dimensions.

6 stir the window sill paint thoroughly before starting and use a good masonry brush for painting. When it later evaporates the pressure from under the film causes peeling. Over fill the. Multiple layers will work better than one thick application.

Push the bottom sash up until it s about 3 inches from the top of the window frame. Insert flat head nails at several angles. White oil based or latex paint white window sills provide a clean contemporary look. Now apply the wood filler.

Lightly sand the broken area and prime with a oil base primer. Wood is the most common material used to trim both interior and exterior windows and you won t have any problem finding a good quality paint. Allow to dry for as long as indicated on manufacturer s instructions. This moisture may be condensation on the interior or rain and snow on the exterior.

Use a semi gloss exterior paint for an outside windowsill. Paint usually peels from window sills and frames because of moisture. Water standing on the sills eventually penetrates the paint film. Wood window sills add classic style to any room but if you want a clean sleek modern look you might want to paint traditional wood window sills white.

Once new putty is applied open the window and pull the top down until it s about 3 inches from the sill. Apply two coats of semi gloss interior paint if you are painting an inside windowsill. Not only best paint for windows but also sills frames. For exterior wood trim choose a premium exterior.