What is a mullion on a house?
Mullion/muntin: A mullion is a heavy vertical or horizontal member between adjoining window units. Trim/casing: On the outside of a house, the decorative frame around a door or window is called trim, while on the inside, the same thing is called casing.
What is mullion size?
MULLION & TRANSOM SIZES The standard width (w) dimension for all mullion/transom sections in the 4F1 series is 2″ (50mm) but the height (h) is available in six different sizes ranging from 2″ (50mm) to 7″ (180mm).
What is the mullion of a door?
Mullion. A mullion resembles a stile. It is the vertical component that separates two panels located in the middle of the door between the rails.
What is a mullion on a French door?
A mullion is a part of a frame that divides or separates the frame into different sections. Mullions can be integral parts of the frame or they can be removable, depending on the application. Mullions can be vertical or horizontal pieces.
What is a mullion in a curtain wall?
A mullion acts as a structural member, in most applications the mullion transfers wind loads and weight of the glazing and upper levels into the structure below. In a curtain wall screen, however, the mullions only support the weight of the transoms, glass and any opening vents.
What is a mullion on a fridge?
A mullion is a vertical strip of building material used to divide an opening in two, and perhaps provide structural support. When the doors close, the mullion flips flush down the center of the fridge, creating a rigid surface down the middle for the doors to seal against. They’re tricky like that.
How thick are window mullions?
Typically, they are from 0.5 inches (1.27 cm) to 0.87 inches (2.2 cm) wide for residential windows. There is one more option. Simulated divided-light windows are constituted of one piece of glass.
How do mullions work?
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 kind of window is a mullion made of?
The classic window mullion is made of stone, and was a major part of Gothic-style architecture. It was frequently found in churches and stained glass windows. Today, a stone mullion is most commonly found in courtyards and other open-air spaces. The mullion divides an exterior wall to allow air to pass through, and does not contain any glass.
What’s the difference between a muntin and a mullion?
When two windows are placed side-by-side without a separate mullion, the two joined pieces of jamb are often referred to as a mullion. Thinner vertical framing pieces that separate a window sash into individual panes are usually known as muntins, or glazing bars, rather than mullions.
What kind of support is a mullion used for?
A mullion is an architectural device primarily used in windows, doors, and glass curtain walls. Mullions are typically used as vertical supports, but some horizontal framing members may also be considered types of mullions.
Can a mullion be made out of wood?
The mullion can be created using different profiles, and may be square, rounded, or intricately shaped like wood molding. Depending on the material that is chosen, one can paint, stain, or wax a mullion to protect it against the elements and create the desired finish.