Repair Water Damaged Interior Window Sill

Finish removing all of the old finish with the.

Repair water damaged interior window sill.

Then we used a hammer and banged popped the sill upwards being careful to avoid any further damage. 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. Using a paint scraper remove the paint from the windowsill where there is water damage. How to refinish a stained water damaged window sash 1.

Wipe down the window casings to remove the oil and dirt. Submerge a sponge in the soapy water and squeeze out the excess. Scrub with authority using strokes parallel with the grain only. 2 remove soft rotten spots from the sill.

Sand the sash by hand with a folded piece of 80 grit sandpaper. Step 3 repair the window casings. Around all the edges including between the underneath trim and the window sill. First we ran a cutting blade this is my favorite caulk removing tool.

Dry the wood with a microfiber cloth. A water damaged window sill can however be brought back to its best with a minimum of knowledge or know how. Scrub the window sash with a stiff wire brush. Actual footage from a job repairing water damaged window sills.

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. Chisel these out with a flathead screwdriver or small wood chisel.