What is a horizontal mullion?
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Also question is, what is a mullion in construction?
Mullion. Mullions are members that form vertical divisions between units of a window, door, screen or glass curtain wall. Together with horizontal members known as transoms they provide rigid support to glazing. They became more commonly used to divide paired windows in Romanesque architecture, as well as open arcades.
Subsequently, question is, what is a curtain wall mullion? A curtain wall is defined as thin, usually aluminum-framed wall, containing in-fills of glass, metal panels, or thin stone. The framing is attached to the building structure and does not carry the floor or roof loads of the building.
Simply so, 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.
What are window grids 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 divide a single window sash or casement into a grid system of small panes of glass, called "lights" or "lites".