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Aluminum-clad window : Window with an aluminum covered wood construction.


Awning window

:

A sash hinged at the top.


Balance spring :

Device for balancing the load of a sliding sash used in sash windows. This provides positioning of sash at any vertical position.

Bay window

: Windows that project out the wall towards the exterior space.



Casement :

Window sash which is hinged at sides to swing open.

Casing :

The decorative moulding around a window or door,  which serves to close the space between the window frame or jamb and the wall.


Divided Lights : The partitions on the glazing of a window.


French window :

Two casement sashes which are hinged on the sides to open in the middle. The sashes may extend to the floor and serves as a balcony door.


Glazing :

The glass used in a window or door.


Glazing bead : The removable wooden element that fixes glass.



Glazing channel : The groove in a sash to hold glass.


Horizontal slider : A window which slides horizontally.


Insulation glass :

Double or more glazing with an enclosed, humidity free and sealed space between the glass panels.

Jamb : The vertical member at the side windows.


Mullion : The vertical window element between two window units.


Pivot windows : Windows which the sash opens by rotating around an axis towards the sash center.


Rail : Horizontal sash member.

Sash : The part of a window which opens.


Sash window : A window with two vertically sliding sashes.
Sill : Horizontal window element at the bottom most of the frame.


Tempered glass : Specially treated, high-strength safety glass providing shattering into safer, small particles


Top hung-in window : An awning window hinged at the top with the bottom swinging-in.


Transom : Horizontal window element separating two windows, one above the other.