What are the lines on French doors called?
A muntin (US), muntin bar, glazing bar (UK), or sash bar is a strip of wood or metal separating and holding panes of glass in a window. Muntins can be found in doors, windows, and furniture, typically in Western styles of architecture.
What is a French door look like?
French doors are best described as two matching doors that mirror one another. … The hallmark of most French patio doors is their use of multiple glass panes, usually at least four to eight panes called lites. Some French exterior doors may just have one, large lite, while others can have as many as 12 lites each.
What is a Muntin vs Mullion?
Mullion/muntin: A mullion is a heavy vertical or horizontal member between adjoining window units. Muntins are the narrow strips of wood that divide the individual panes of glass in a traditional sash.