How To Replace Window Sill Inside

I demonstrate how to remove a rotten window sill.

How to replace window sill inside.

Next cut underneath the window sill to free the sill from the trim board under it. Tap the new sill into place using a rubber mallet. If your sill is rotting or falling apart replace it with these simple steps. 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.

Re install trims on the sides of the window and under the sill. Wooden sills have a tough time standing up to the elements year in and year out. Nail a finish nail 1 2 inch from the inside window casing on each side. It can cause it to rot warp or crack.

Your window sill is the bottom portion of your window running horizontally within the jamb resting against the outside of the window sash. Sink your nails with a nail set. Nail finish nails at each back corner and along the back every 12 inches. Please consider subscribing window sill nosing.

Repairing window sills isn t a hard diy and i try to share simple ways to make diy improvements to your home. Here s a link to the router bit https amz. Window sill damage is common. 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.

How to replace an interior window sill. Since this video i learned about a router bit for profiling the edge of window sills which is easier.