How To Repair Crack !!exclusive!!ed Window Putty May 2026

Cracked, crumbling, or missing window putty (also known as glazing compound) is more than just an eyesore. It is a functional failure. When the seal between the glass and the wooden frame breaks, you invite moisture, drafts, and eventually, wood rot. The good news is that repairing it is a simple, inexpensive DIY project that takes an afternoon.

A well-done putty repair will last 20–30 years. Spend an afternoon on it now, and your windows will thank you for decades. how to repair cracked window putty