Active (.X.)- An operable or moving panel.
Argon (A)- A colourless gas injected into the airspace between glass panes of a sealed unit. Typically used in conjunction with low ‘e’.
Awning (AV)- An operable window that opens outward from the bottom.
Brickmould (BM)- A term used loosely to describe the exterior trim board that surrounds a window or a door. The correct term for this is “Casing”.
Brick Reveal Opening (BRO)- A measurement relating to the outside edge of casing, width by height, often surrounded by brick or another exterior finish.
Casement (CV)- An operable window that opens outward from the side.
Check Rail (CHK)- The horizontal bar created where the bottom rail of the upper sash interlocks with the upper rail of the lower sash within a shared window frame.
Fixed (F)- An inoperable window that includes a sash. Used to create a balanced appearance with awning and casement windows.
Field Glaze (FG)- The installation of glass into a window or door outside of our manufacturing facility.
Glass Block (GB)- An open window frame supplied for glass block installation by others.
Insulated Mullion (IM)- A horizontal or vertical post between a window or door frame filled with insulating foam.
Lift and Glide (LG)- A sliding patio door system in which the active panel(s) lift up prior to sliding from side to side.
Low Emissivity (LE or low ‘e’)- An invisible coating on the number 2 or 3 surface of a double glazed sealed unit used primarily to improve the thermal performance. (This coating is on the number 2 and the number 5 surface in a triple glazed sealed unit.)
Picture (P)- A simple window configuration consisting of an insulated glass unit set directly into the window frame. There is no sash.
Rough Opening (RO)- The structural framed opening within the building envelope in which a window or door will be installed.
Rake (RK)- A window or door unit that includes at least one angle that is more or less than 90 degrees.
Round Top (RT)- A window or door with a true radius top jamb.
Single Hung (SH)- A window which consists of an upper and lower sash. The lower sash is active (slides up and down). The upper sash is fixed. Also known as a modern day checkrail window.
Stationary (.O.)- A fixed or inoperable panel.
Storm Sash (ST)- The sash located in the outer plane of an old style wood checkrail window.
Tilt and Turn (TT)- European style window with one or more sash that tilt or swing inward.