New glass pane, glazing points (for wood frames), and window glazing compound or 100% silicone sealant. Cleanup: Shop vacuum with a HEPA filter and a dustpan. Step 1: Safe Removal of Broken Glass Safety is the priority when handling shards. How to Replace Broken Glass Pane
With the glass removed, your focus shifts to the frame itself. The old, hardened glazing putty (the beveled compound holding the pane) and the small metal triangles known as glazing points must be completely eradicated. Use a heat gun or a hair dryer on its highest setting to soften the old putty, being careful not to scorch the wood. Once pliable, scrape it away with a stiff putty knife, working at a low angle to avoid gouging the frame. After the bulk of the putty is gone, you will see the glazing points. Remove these with a pair of pliers or a flat-head screwdriver. Finally, use a solvent like denatured alcohol or a commercial paint remover to clean the wood down to its bare surface. A clean, smooth frame is essential for the new putty to adhere properly. Let the frame dry completely. how to replace a broken window pane
Before starting, gather these supplies to ensure a smooth repair: New glass pane, glazing points (for wood frames),