Window Frame
The window frame surrounds and supports the entire window.
This essential part of a window is the outermost part and holds all the casements within one unit.
This framework comprises the sill, jamb and head.
Window frames are made of a variety of materials, including vinyl, steel, wood and aluminum.
The frame is almost always attached to the buildings wall.
Unlike doors, windows need a sill to protect their framework from damage or rot.
If there is no sill, rain and snow would penetrate through the frame and cause damage.
Head
The top horizontal section of the window frame is the head.
This is an essential part of a window structure as it secures the panes or sashes.
Apron
This is a piece of decorative trim located beneath the sill or railing.
The apron helps give the interior of the window a modern look.
This part of the window frame may be fixed or opened from either the top, side or bottom.
Window Glass and Supporting Parts
The window glass is held together by a variety of different components.
These are:
Pane
This is a single sheet of glass that makes up the pane.
Upper Panel
The upper panel part is either fixed or movable and holds the window pane.
Lower Panel
The lower part of a movable or fixed framework that holds the window pane.
Sash Lock
This is the locking mechanism attached to a single or double-hung window.
Mullion
The vertical or horizontal structural component that supports two or more windows.
Rails
On double-hung windows, there are three rails.
The lower and upper rails comprise the horizontal section of a window pane.
It can maintain indoor temperature and wont break easily.
Low E-glass
This is a low emission glass thats specially film coated to reflect thermal radiation.
In simpler words, it is designed to minimize the amount of UV light entering through the glass.
Weather-Proof Seal
All windows must have a weather-proof seal.
This material can be made from vinyl, felt, rubber and metal.
Screen
This is a fine mesh made from aluminum or fiberglass to keep out insects.
Window Film
This film reflects UV light and increases thermal efficiency.
Stopper Bolts
These stopper bolts prevent the window from opening when it is unlocked.
Hinges
The hinges of a window can be located anywhere depending on the window jot down.
Sash Window Lift
A lift is necessary for lifting the bottom half of the sash window.
