Repair Water Damaged Interior Window Sill

Finish removing all of the old finish with the.

Repair water damaged interior window sill.

After the damaged wood has been removed clean up the window casings. We pulled out the rest of the nails that were left behind. Chisel these out with a flathead screwdriver or small wood chisel. Mix several drops of oil free soap with warm water until it foams.

Instructions asses the damage to the window sill prep your work area sand away water damage wood stabilize remove and replace rotted wood bleach out the water stains sand and clean the remaining sill re stain the window sill clear coat the window sill. A water damaged window sill can however be brought back to its best with a minimum of knowledge or know how. 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. First we ran a cutting blade this is my favorite caulk removing tool.

Actual footage from a job repairing water damaged window sills. Wipe down the window casings to remove the oil and dirt. Scrub with authority using strokes parallel with the grain only. Sand the sash by hand with a folded piece of 80 grit sandpaper.

Then we used a hammer and banged popped the sill upwards being careful to avoid any further damage. Scrub the window sash with a stiff wire brush. Using a paint scraper remove the paint from the windowsill where there is water damage. 2 remove soft rotten spots from the sill.

Submerge a sponge in the soapy water and squeeze out the excess. How to refinish a stained water damaged window sash 1.