Repairing Interior Window Sill Damage

Most window sash and sill damage is caused by moisture in the form of condensation getting into the wooden window sill.

Repairing interior window sill damage. Http bit ly jlgdey home improvement onli. 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. Use this method to repair dry rot damage in a window and avoid having to replace the entire window frame and sill. Window sill damage is common.

Remove any splinters and rough or peeling paint until the damaged sill is as smooth as possible. Sand the wood with a fine grit sandpaper. A water damaged window sill can however be brought back to its best with a minimum of knowledge or know how. Cut the blocks to fit the shape of the sill with a handsaw.

How to replace an interior window sill. Water seeped down through the window and eventually damaged an area of the window sill not that bad but it is a little rippled. The age old debate of window replacement or window repair is a tough one to answer but i ll explain how i try to guide my client s decision process. We have a window sill that is in need of repair.

Based on time budget longevity and of course hidden costs. We have since had an overhang built over the window. It can cause it to rot warp or crack. 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.

Sand the blocks using an orbital sander and sandpaper to shape the wood to the sill. I look at the repair versus the replacement question as a business approach. We are in the process of selling our. 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.

Condensation forms on the windows when the temperature outside cools down and in return lowers the temperature of the glass on your window. Repairing window sills isn t a hard diy and i try to share simple ways to make diy improvements to your home. What causes window sash damage. Screw the new wood into the sill.

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.