Windows trade jargon
A noble gas used to fill the space between sheets of glass in some double glazed windows, chosen for its insulating properties.
- Bifold door
A door system - made up of three or more glass panes - which fold back fully on themselves when opening.
- Conservation area
An area designated by the local authority to be of special historical or architectural significance, in which certain developments may be restricted.
A type of framed window which projects vertically though a sloping roof.
- Double glazing
Window or door glazing constructed from two layers of glass, with a space in between to improve heat and sound insulation.
- French windows / doors
A set of two outward-opening windows or doors.
The vertical part of a door or window frame.
Short for Pilkington K Glass, a kind of glass used to reduce heat loss due to a special coating on the inside of the glass.
A type of window made of panels which are slid vertically. Also refers to the moving panel of the window.
- Self-cleaning glass
Glass which is designed to be resistant to dirt build up, using sunlight and rain water. Pilkington Activ and St Gobain Bio-clean are brand names for this type of glass.
The ledge at the bottom of a window.
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