Fix Window Sill Rot

Depending on how rotted your window sill is it may be an easy or more difficult job.
Fix window sill rot. Step 2 removing the window sill. Put the new window sill in place and hold it in place with two finish nails. Surround the damaged area with wood strips to serve as a router guide. Before working on the sill seal off the house interior from dust.
How to replace exterior rotted wood window sill step 1 getting started. Set the depth of the router bit to create a stepped patch to fit into the window sill. The casing comes off to clear the way for removing the old sill. Fix a rotted windowsill and help prevent a relapse.
Rot that occurs deep inside of the sill is more difficult to repair. A circular saw with. How to repair a rotted windowsill remove the side casings. Saw off the old sill.
Most likely you will have to. Start refitting the trim putting it back in the reverse order to which you removed it. These are your first steps before you can remove the window sill. Once you ve retrieved all your parts it s time to start putting everything back together.
If the casings are rotting as. Just use a couple of nails to hold each part in until you re certain the fit is good.