What is the purpose of mullions?
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 material are mullions?
Modern mullions are commonly made from materials such as timber, aluminium, steel and UPVC. The word ‘mullion’ is also commonly used to describe vertical members between panes of glass within a window assembly (rather than between window units). These smaller members are sometimes referred to as ‘muntins’.
What is a glazing mullion?
A glass mullion system is a type of glazing system that can be used to construct vertical glass curtain walls, canopies, skylights, and so on, allowing large areas of glazing to be created whilst maintaining a high level of transparency.
Can window mullions be removed?
Whether you want to replace a pane of glass or you want to change the look of your French doors, you can remove the mullions relatively easily, although there is a risk of breaking the glass.
What are curtain wall mullions made of?
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.
Which steel section is used for mullion?
Stainless Steel Hollow Sections RHS are a very common and functional design for mullions and transoms.
How wide should mullions be?
The piece should measure about 3/4” wide. That is the depth of the profile detail on both sides (1/4”) and some wood (1/8” – 1/4”) in the middle. Finally, you must rout the profile cut on the other edge of the mullion. The mullion should now be a good fit in your window frame between the top and bottom rails.
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.
Can mullions be horizontal?
Mullions can be vertical or horizontal pieces. Fixed mullions will usually have the same dimensions and the same jamb depth as the rest of the frame. On a detailed hollow metal frame, for example, a mullion will separate pieces of glass, panels, or will separate a door and the glass or panels.