is air space between the panes of glass in an insulated glass unit (IGU).

refers to the amount of air leaking through a window or door. The lower the number, the less air the window lets pass through, improving energy efficiency.

are the moulding around a window or door.

is inert glass used to fill the air space between panes of glass in an insulated glass unit. Its addition increases the thermal performance of a window or door by minimising heat transfer.

is short for Australian Standards.

is a composite of 3 or more windows, usually made up of a larger center unit and two flanking at 30, 45 or 90 degree angles to the wall.

refers to an opening in a brick wall into which window or door frames are built.

is a wall construction method in which a layer of bricks is attached to the wood framework of a house using brick ties.

a window with two panes of a glass and a space between them; reduces heat and noise transmission through the window.

is a window that does not open for ventilation.

A piece of glass positioned such as to provide lateral support.

an impervious membrane installed to prevent ingress of water into the building.

equipment used in the opening, operating, closing, locking and stopping of sashes.

refers to the top of a window or door frame.

refers to the barrier around the shower recess area dividing it from the main bathroom floor area.

refers to the sides of a window or door frame.

is a type of safety glass that holds together when shattered. In the event of breaking, it is held in place by an interlayer, typically of polyvinyl butyral (PVB), between its two or more layers of glass.

refer to glass which has low emissivity due to a film or metallic coating on the glass or suspended between the two lights of glass to restrict the passage of radiant heat.

is a structural element which divides adjacent window units. It acts as a structural member, and it carries the dead load of the weight above the opening and the wind load acting on the window unit back to the building structure.

the timber surround that is factory fitted to aluminium windows. It is attached to the fin and used for installing a window or door into timber framing.

is a framework that holds the panes of a window in the window frame.

a pre fabricated tray that creates a hob in the shower recess area.

narrow windows joined to a window or door to give a more open appearance.

refers to the bottom of a window or door frame.

refers to how well a window or door blocks heat caused by sunlight.

refers to the frame opening left in a timber frame wall to accept a designated window or door.

is glass that has been processed by controlled thermal or chemical treatments to increase its strength compared with normal glass. It will usually shatter into small fragments instead of shart shards when broken, making it less likely to cause sever injury and deep lacerations.

is a horizontal crosspiece over a door or between a door and a window above it.

refers to the percentage of the sun's harmful ultra violet ray (UV) that is transmitted through glass.

is the rate of heat loss or gain across a material or an assembly - it is a measure of insulation.

is the term used to describe the percentage level of interior daylight that a particular glass lets through. The higher the number the brighter the interior will be.

a material applied to a door or window so as to seal the openings, gaps or cracks made by it, in order to exclude rain, snow, cold air, etc.

is a small opening in a window sill through which water may drain to the building exterior.

rates the energy efficiency of windows and doors in Australia