How To Make An Interior Window Sill

Installing new interior window trim can be a daunting task for the beginner intermediate carpenter but this step by step video will definitely show you all.

How to make an interior window sill. If necessary set your circular saw to the depth of the sill and cut the sill in half without touching the window wood or metal. Use a sharp utility knife to score between the quarter round and side trim moldings. If you didn t know you can t really buy window sills.

Hold a scrap piece of your window trim casing against each window side and at your reveal mark. Using a hammer gently tap the 4 metal drywall spatula between the quarter round and side trim moldings. I ll show you how we made ours and you ll see it s not terribly difficult.

For a high end look use hardwood with stain and lacquer. Make the actual sill using solid wood that s at least 3 4 inch thick. Remove side window trim using the putty knife and pry bar.

Wipe it until you can see the wood and let it dry. Separate two moldings fig 3 2. Open the bottom window.

In this video i ll show you how to construct a complete window trim detail job from start to finish. For economy use or to match interior colors use simple fir or pine. For mildew spray a mixture of vinegar and water directly on the mold and let the mixture sit.

It took me all of about 30 minutes to make ours. Remove interior window trim. Steps on how to install an interior window sill mark 3 16 or a reveal mark on your window jambs.