Dual pane windows may have grids or muntins that make the window look like it has many small separate panes of glass. Please mention if your window has grids and the grid pattern (how many small “windows” going across, and then how many going down).
Example: One of the windows in the image to the left is broken.
The grid pattern of the broken window is 2 by 5 and looks like this:
| |
|