Types of Windows

	2 panes – Double hung
	4 panes – Double hung with grids; count 2 for each gridded pane
	3 panes – count 2 for gridded pane, 1 for non-gridded
	1 pane – Transom window (typically above other window or door)
	2 panes – Sliders
	1 pane – Cranks
	1 pane – Picture window (larger than most)