Repair Rotted Window Sill Youtube

Rot moving up vertical trim boards.

Repair rotted window sill youtube.

If your sill is rotting or falling apart replace it with these simple steps. A simple epoxy repair will do the trick if the rot is confined to a small area but if more than 10 percent of the sill is rotten the old sill should be cut off and replaced. Wooden sills have a tough time standing up to the elements year in and year out. Repair rotted window sill.

Window repair from wet rot. This old house general contractor tom silva shares some tricks of the trade for installing a new long lasting windowsill. For all things windows on my blog click this link. While most wood rot starts at the window sill the length of time the damage is ignored will affect the amount of damage that needs to be repaired.

Where the damage in the photo above is large it fortunately has not extended to either side of the vertical trim board. For this project i used a solid piece of kleer cellular pvc sill that matches the profile and thickness of the other sills on the house.