What is a horizontal mullion?

Asked By: Roy Kascante | Last Updated: 22nd March, 2020
Category: home and garden interior decorating
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A mullion is a vertical element that forms a division between units of a window or screen, or is used decoratively. Horizontal elements separating the head of a door from a window above are both a head jamb and horizontal mullion and are called "transoms".

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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".

39 Related Question Answers Found

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.

What is Amullion?

A mullion is a vertical element that forms a division between units of a window or screen, or is used decoratively. When dividing adjacent window units its primary purpose is a rigid support to the glazing of the window.

What is the difference between mullion and transom?

As nouns the difference between mullion and transom
is that mullion is a vertical bar between the panes of glass or casements of a window or the panels of a screen while transom is a crosspiece over a door; a lintel.

What is a mullion door?

A mullion is a type of cabinet door that features glass panels rather than solid wood. The glass panels have dividing bars similar to those found in window panes. This mimics the feature that is found on many types of windows. Mullion cabinets are both functional and decorative.

What is transom and mullion?

Transom (noun) A horizontal crossbar in a window, over a door, or between a door and a window above it. Transom is the horizontal, as mullion is the vertical, bar across an opening. See Illust. of Mullion.

What are the different kinds of windows?

Narrowing down the many options for windows starts with identifying one of the basic window types.
  • Awning Windows. NicolasMcComber/Getty Images.
  • Casement Windows. Dorling Kindersley/Getty Images.
  • Double-Hung and Single-Hung Windows.
  • Picture Windows.
  • Bay Windows.
  • Jalousie Windows.
  • Slider Windows.

How thick is a mullion?

Mullion: from 132 mm deep. Glass thickness: from 30 mm to 44 mm.

Why do windows have grids?

Grids between the glass consists of the strips being sandwiched between the panes. This makes for easier cleaning, but does not help for repairing broken glass. Superficial grids are strips that are stuck over the glass for visual effect, but serve no other function.

What is the stone above a window called?

lintel. noun. a piece of stone or wood that supports the wall above a door or window.

What does casement window mean?

A casement is a window that is attached to its frame by one or more hinges at the side. They are used singly or in pairs within a common frame, in which case they are hinged on the outside. Windows hinged at the top are referred to as awning windows, and ones hinged at the bottom are called hoppers.

What is glass glazing?

Glazing, which derives from the Middle English for 'glass', is a part of a wall or window, made of glass. Glazing also describes the work done by a professional "glazier". Toughened and laminated glass can be glazed by bolting panes directly to a metal framework by bolts passing through drilled holes.

Can curtain walls be structural?

A curtain wall system is an outer covering of a building in which the outer walls are non-structural, utilized only to keep the weather out and the occupants in. Since the curtain wall is non-structural, it can be made of lightweight materials, thereby reducing construction costs.

How wide are mullions?

The mullions are made one at a time from a wide (3” – 5”) board. For best results, all stock should be exactly the same thickness.

How is a curtain wall attached?

Generally speaking, curtain wall attaches to the outside of the floor slabs, acting as a “curtain” that is literally hung on the building and therefore, non-load bearing. With stick-built curtain wall, components are sent directly to the job site where they are assembled in the field before they can be installed.

What do you mean by lintel?

A lintel or lintol is a structural horizontal block that spans the space or opening between two vertical supports. It can be a decorative architectural element, or a combined ornamented structural item. It is often found over portals, doors, windows and fireplaces.

What is the difference between a window wall and a curtain wall?

Curtain walls install in front of the slab, whereas window walls span the slab heights and install between the slabs. In addition, a window wall is typically a systems application that uses pre-engineered, previously tested and certified fenestration products.

What is the difference between a curtain wall and storefront?

Curtain wall is taller than storefront.
Curtain wall is used for frames that are 13 feet or higher (though they can be used on frames 11-12 feet tall). Storefront is used for frames up to 10 feet.