Repairing Interior Window Sill Damage

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.

Repairing interior window sill damage.

Sand the blocks using an orbital sander and sandpaper to shape the wood to 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 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. 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.

Condensation forms on the windows when the temperature outside cools down and in return lowers the temperature of the glass on your window. Screw the new wood into the sill. What causes window sash damage. I look at the repair versus the replacement question as a business approach.

What makes the most sense. Window sill damage is common. We have a window sill that is in need of repair. Repairing window sills isn t a hard diy and i try to share simple ways to make diy improvements to your home.

We have since had an overhang built over the window. Even if the window doesn t leak water condensation takes a toll on the sill. Use this method to repair dry rot damage in a window and avoid having to replace the entire window frame and 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.

Http bit ly jlgdey home improvement onli. It can cause it to rot warp or crack. We are in the process of selling our. How to replace an interior window sill.

Cut the blocks to fit the shape of the sill with a handsaw. Sand the wood with a fine grit sandpaper. Remove any splinters and rough or peeling paint until the damaged sill is as smooth as possible. Most window sash and sill damage is caused by moisture in the form of condensation getting into the wooden window sill.

A water damaged window sill can however be brought back to its best with a minimum of knowledge or know how.