Dry the wood with a microfiber cloth.
Repair water damaged interior window sill.
Around all the edges including between the underneath trim and the window sill.
Actual footage from a job repairing water damaged window sills.
Scrub the window sash with a stiff wire brush.
Chisel these out with a flathead screwdriver or small wood chisel.
First we ran a cutting blade this is my favorite caulk removing tool.
Wipe down the window casings to remove the oil and dirt.
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.
Finish removing all of the old finish with the.
Step 3 repair the window casings.
2 remove soft rotten spots from the sill.
Scrub with authority using strokes parallel with the grain only.
After the damaged wood has been removed clean up the window casings.
A water damaged window sill can however be brought back to its best with a minimum of knowledge or know how.
Mix several drops of oil free soap with warm water until it foams.
Submerge a sponge in the soapy water and squeeze out the excess.
Then we used a hammer and banged popped the sill upwards being careful to avoid any further damage.
We pulled out the rest of the nails that were left behind.
How to refinish a stained water damaged window sash 1.