Remove any glazing points you find (those tiny metal triangles) with needle-nose pliers. You’ll replace them later. This step separates pros from amateurs.

For stubborn putty, tap the putty knife with a hammer lightly—like a mini chisel. Once you remove the bulk, use the hook tool to clean out the rabbet (the L-shaped groove where the glass sits).

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.

Repair — Window Putty

Remove any glazing points you find (those tiny metal triangles) with needle-nose pliers. You’ll replace them later. This step separates pros from amateurs.

For stubborn putty, tap the putty knife with a hammer lightly—like a mini chisel. Once you remove the bulk, use the hook tool to clean out the rabbet (the L-shaped groove where the glass sits). window putty repair

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. Remove any glazing points you find (those tiny