Window Putty Repair Fix Today

Press this sausage firmly into the L-shaped corner where the glass meets the wood. Run your thumb or a putty knife along it at a 45-degree angle to create a smooth, beveled slope.

Warm the old putty with a heat gun on low heat (or a hair dryer). Once it softens slightly, use your putty knife to scrape it out. Work parallel to the glass, not toward it. window putty repair

Happy glazing, and may your putty knife never slip. Press this sausage firmly into the L-shaped corner

For $20 and a few hours, you can extend the life of a historic window by 30 years. That’s a win for your wallet, your home’s character, and the landfill. Once it softens slightly, use your putty knife

Once your putty is fully cured (check the manufacturer’s time), prime and paint the entire sash, overlapping the putty by about 1/16” onto the glass. That tiny lip of paint locks out moisture for decades.