What is a door mullion?
Consequently, what is the difference between a mullion and a Muntin?
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.
- Door frame. The door frame is the entire framework supporting the door, including the sill, jamb and head.
- Sill. The door sill is the very bottom part of the door frame that rests on the floor.
- Jamb/door jam.
- Head.
- Panel.
- Astragal.
- Fixed panel.
- Door sweep.
Accordingly, are mullions load bearing?
Mullions are the Vertical stones that separate the 'window lights' and offer a multi-light window the look and feel of a traditional building. The mullion is also used as support to heads and is therefore a load-bearing stone. Transoms are not to be confused with mullions.
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 divide a single window sash or casement into a grid system of small panes of glass, called "lights" or "lites".