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English: A mullion is a vertical element that forms a division between units of a window, door, or screen, or is used decoratively. When dividing adjacent window units, its primary purpose is to provide structural support to an arch or lintel above the window opening. Its secondary purpose may be as a rigid support to the glazing of the window. Mullioned windows are named Bifora (2 units divided by 1 mullion) or Trifora (3 units divided by 2 mullions). In the commercial door industry, the term is also applied to a piece of hardware that divides the opening of a pair of doors. When dividing windows, it consists of a small column or pilaster supporting round or ogival arches. The space between the two arches could contain a decoration, coat of arms or a circular opening. For the central pillar supporting the tympanum of a large doorway, see Category:Trumeau
Français : Fenêtres à meneaux


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Media in category "Mullions"

The following 5 files are in this category, out of 5 total.