Exterior Window Terminology
Read through our window anatomy glossary to familiarize yourself with the various parts of a window and their functions and youll be prepared to discuss your window needs with anyone.
Exterior window terminology. Typically blinds are not considered an energy-efficient and insulating treatment. The bottom the sill. Mullion A horizonal or vertical structural element that combines two or more windows together.
A mullion is the vertical member of a sash window or doorframe between openings in a multiple opening frame. This is separate from the frame which is attached to the house. The bottom sash is known as the Lower sash.
Custom Windows and Doors Replacement Terminology 101. A mixing of various architectural styles and ornamentation of the past and present including ornamentation from Asia. To cut at a different angle than a right angle for example on the edge of a board or a door.
The casement consists of the pieces around the window frame that are parallel with the window glass. A plate of glass within a window frame. The vertical side members of a window frame.
Also called the mull. Jamb The window frame sections forming the top sides and bottom of a window frame. Lower Sash Lower Panel.
There are specialized terms referring to all sorts of aspects of windows and doors. Bay Width The distance from one centerline of a rafter or post to the center of another. And the sides are called jambs.