How To Replace Window Sill Inside

Next cut underneath the window sill to free the sill from the trim board under it.

How to replace window sill inside.

It can cause it to rot warp or crack. Since this video i learned about a router bit for profiling the edge of window sills which is easier. Your window sill is the bottom portion of your window running horizontally within the jamb resting against the outside of the window sash. Even if the window doesn t leak water condensation takes a toll on the sill.

Sink your nails with a nail set. I demonstrate how to remove a rotten window sill. Nail finish nails at each back corner and along the back every 12 inches. Here s a link to the router bit https amz.

How to replace an interior window sill. The first step for how to replace an interior window sill is using your utility knife to cut the caulk between the window sill and the trim. Nail a finish nail 1 2 inch from the inside window casing on each side. Please consider subscribing window sill nosing.

Tap the new sill into place using a rubber mallet. Re install trims on the sides of the window and under the sill. Repairing window sills isn t a hard diy and i try to share simple ways to make diy improvements to your home. A window sill is the bottom portion of the window and usually but not always has a lip that overhangs the trim molding and over time these can get damaged or even rot.

If your sill is rotting or falling apart replace it with these simple steps. Wooden sills have a tough time standing up to the elements year in and year out.