Water Damage Window Interior Sill

Severely damaged window sills render the entire window unit unfit for use.

Water damage window interior sill.

Actual footage from a job repairing water damaged window sills. Moisture problems are common on wooden framed windows. Any damaged siding should be removed at this time. Video of the day.

Eliminating the water helps prevent future issues with mold and rot in damaged walls. 2 remove soft rotten spots from the sill. The most common damage that will result is a rotted or warped sill as well as warped drywall around the window. Water could be coming in from around the window through the window frame or around the edges of the glass.

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. At some point the original sash the wood. Proper repairs are achieved by removing the interior window trim and then the window unit including the exterior trim or brick molding. Over time this water forming on your window and getting on your sash slowly causes damage.

Using a paint scraper remove the paint from the windowsill where there is water damage. If the sill was pretty rotted there s a good chance that water worked its way in behind it and rotted siding and possibly even framing members. Use your chisel or multitool and get rid of any wood that s rotted crumbling or punky. When humid air inside your home then comes into contact with the glass on the window water droplets form on the glass and eventually run down into the window sill.

If you only see water on the windowsill when there is a lot of condensation on the window you might have a humidity problem. Over time if a windowsill is not correctly shielded from the natural elements or if a wet mug is simply set down without a coaster the sill will deteriorate or rot. Windowsills can become water damaged if not adequately protected. Get rid of any rotted wood behind the apron and sill.

Repairing window sills isn t a hard diy and i try to share simple ways to make diy improvements to your home. The first step to take is to remove these damaged areas and to replace them.