How To Repair Rotted Window Sill Exterior

Mix an amount of the filler and.

How to repair rotted window sill exterior. Use a chisel to carve out all the rotted wood. Set the depth of the router bit to create a stepped patch to fit into the window sill. Before working on the sill seal off the house interior from dust.

This is usually the rotted part. The Window Doesnt Open Or Close Properly. Use brass screws size 8 of an appropriate length and exterior wood glue to attach the new wood really firmly any movement could allow water in again.

Take a reciprocating saw and cut through the sill about 2 inches in from the side jamb. We recaulked our window primed it and. Rot that occurs deep inside of the sill is more difficult to repair.

Use an oscillating multi-tool to cut through the nails holding the stool to the sill. Repeat to make a second cut 2 inches from the opposite jamb. I placed the nails about 18 apart.

With a prybar and hammer pry the brick molding and sill nose away from the window and remove. Sills tend to rot from the outside in so repair work starts by removing any and all damaged wood and then stabilizing the wood that will remain. Window sills take a beating from the weather and sun but you can repair a window rather th.

Surround the damaged area with wood strips to serve as a router guide. Cut the Exterior Rotted Wood. At times window sills must be replaced due to damage.