Rotten Wood Repair
This product, virtually ‘petrifies’ rotten wood, Abatron claims it even has structural integrity. It’s the only thing that truly works for repairing exposed beam-ends.
Puttying, or glazing old wood windows is a lost art. It was the very 1st thing I learned to do ‘apprenticing myself’. (this dries + hardens fast enough to be able to clean the glass in a few days, unlike the stuff in quarts) DAP Window Glazing compound