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.

Even if the window doesn t leak water condensation takes a toll on the sill. How to replace an interior window sill. 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. 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 are in the process of selling our. Sand the blocks using an orbital sander and sandpaper to shape the wood to the sill. Some paint can remain on the sills but it must. Http bit ly jlgdey home improvement onli.

What makes the most sense. It can cause it to rot warp or crack. Repairing window sills isn t a hard diy and i try to share simple ways to make diy improvements to your home. 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.

Window sill damage is common. Water seeped down through the window and eventually damaged an area of the window sill not that bad but it is a little rippled. I look at the repair versus the replacement question as a business approach. 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. We have a window sill that is in need of repair. Use this method to repair dry rot damage in a window and avoid having to replace the entire window frame and sill. Screw the new wood into the 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. 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. 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 since had an overhang built over the window.