How to Repair a Window Muntin
When an errant sash lock mangles a wood window, here’s how to make the damage disappear
Capture the Profile
Press a profile gauge against an intact muntin section and the glass, as shown. The gauge’s metal wires slide to create both a positive and a negative replica of the muntin’s profile, which can then be used to make a molding template.
Shown: Mark Powers, TOH senior technical editor, uses a profile gauge to capture a muntin’s undamaged shape. It’s the first step in repairing the scarred portion to the right of the gauge.