Of Glass _verified_ | Broken Pane

Scrape away old putty and glazing points (small metal triangles). Sand the rabbet (inner ledge) if wooden. Remove any rust from metal frames.

Press the glass gently into the putty bed. Insert glazing points every 8–12 inches (push them flush with the glass using a putty knife). broken pane of glass

Measure height and width of the opening in three places each. Subtract 1/16” – 1/8” from each dimension to allow for expansion. Take measurements to a glass shop or hardware store for cutting. Scrape away old putty and glazing points (small

| Glass Type | Common In | Break Characteristics | Repair Complexity | |------------|-----------|----------------------|--------------------| | | Old windows, picture frames | Large, sharp shards; jagged edges | Low | | Tempered (safety) glass | Doors, sidelights, shower enclosures | Small, pebble-like cubes (safety feature) | Medium (needs exact sizing) | | Laminated glass | Skylights, storm windows, car windows | Spiderweb cracks, but stays in place (plastic interlayer) | High (often requires full unit replacement) | | Dual-pane / insulated glass unit (IGU) | Modern thermal windows | One or both panes broken; fogging between panes | High (replace entire IGU) | Press the glass gently into the putty bed

Roll a thin rope of glazing putty and press it into the frame’s inner corner where the glass will rest. This cushions the glass and prevents rattling.