Repairing window putty (also known as reglazing) is a vital home maintenance task that preserves the structural integrity of wooden and metal window frames. Over time, traditional linseed oil-based putty dries out, cracks, and eventually falls away, leading to energy-sapping drafts and water damage.
Before starting, inspect your windows for these common indicators of failure:
Here’s a concise, practical guide for (also called glazing compound).
Window putty, also known as glazing putty, is the pliable material used to seal glass panes into wooden window frames. Over time, exposure to the elements causes putty to dry out, crack, and crumble. Replacing damaged putty is essential for energy efficiency, preventing drafts, and stopping water from seeping into the frame and causing rot.
Putty knife (stiff and flexible versions), chisel or scraper, heat gun (optional for stubborn putty), sandpaper (80–100 grit), and a brush.