How Do You Replace Rotted Window Sills?
A window sill is located at the bottom of all wooden windows. It serves a two-fold purpose. First, it is the bottom trim piece on a window. Without it you would see straight through to the framing. Second, it keeps the inner parts of the wall sealed from rain and pests. When it becomes rotten, water gets into the wall, which creates a breeding ground for termites and pests such as bugs and rodents. To replace it, you just need a few tools. It should take no more than two hours per window sill. Remove the rotten window sill. The window sill is located on the bottom of the window. It will come apart into two pieces. The inside is separated from the outside and is usually a separate piece from the window. The outside window sill becomes rotted over time because of constant weather exposure. For the purpose of these instructions, we will be removing and replacing the outside window sill. It will be attached to the window jambs, so remove it in two pieces. Raise the window and secure it int
