Interior Wooden Window Sill Replacement
If your sill is rotting or falling apart replace it with these simple steps.
Interior wooden window sill replacement. Follow these steps to repair or replace your window sill. Careers we re hiring. Repair or replace your window sill. Buy exterior window sill that matches your old sill or cut your sill wood to fit.
Fill any framing openings with loose insulation and cover with a vapor barrier. Insert the tip of a putty knife behind the trim underneath on both sides in front at the back or wherever the trim is installed. As long as you have the right tools you can get the job done. Carefully pry the trim away from the sill in pieces.
Although we could have replaced the window trim pretty easily i elected to fill it because the edge cuts on trim like this are not easy to get perfect. Acrylic sanded eased edge window sill moulding. Wooden window sills have a tough time standing up to the elements year in and year out. Install your new window sill.