Got a drafty window? Start with the putty—it’s cheaper than a heating bill.
Brush away dust and debris. Lightly sand the wood frame and prime any exposed bare wood. Don’t skip this step—primer helps the new putty stick. how to fix cracked window putty
Apply exterior paint over the cured putty, overlapping slightly onto the glass for a waterproof seal. Got a drafty window
Don’t paint the putty too soon—it traps solvents and leads to future cracking. how to fix cracked window putty
Wait at least 7–14 days before painting. This allows the putty to form a hard skin.