Repairing Interior Window Sill Damage

Use this method to repair dry rot damage in a window and avoid having to replace the entire window frame and sill.

Repairing interior window sill damage.

Remove any splinters and rough or peeling paint until the damaged sill is as smooth as possible. Build up the damaged part of the sill using small chunks or blocks of wood if sections of the sill are missing and there s enough sill left to support new wood. Screw the new wood into the sill. Http bit ly jlgdey home improvement onli.

Some paint can remain on the sills but it must. We are in the process of selling our. Even if the window doesn t leak water condensation takes a toll on the sill. We have a window sill that is in need of repair.

That is not the problem can i just sand the damage to the sill and fill it in with wood filler and then sand prime and paint. Sand the wood with a fine grit sandpaper. Cut the blocks to fit the shape of the sill with a handsaw. What causes window sash damage.

How to replace an interior window sill. Most window sash and sill damage is caused by moisture in the form of condensation getting into the wooden window sill. Restoring a sill ranges from the application of toothpaste and baking soda for water stains to the more labor intensive process of repairing rotting wood with epoxy primer and wood filler. Based on time budget longevity and of course hidden costs.

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. We have since had an overhang built over the window. Window sill damage is common. What makes the most sense.

Sand the blocks using an orbital sander and sandpaper to shape the wood to the sill. A water damaged window sill can however be brought back to its best with a minimum of knowledge or know how. Condensation forms on the windows when the temperature outside cools down and in return lowers the temperature of the glass on your window. I look at the repair versus the replacement question as a business approach.

Repairing window sills isn t a hard diy and i try to share simple ways to make diy improvements to your home.