Window Glossary

Window Glossary

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There are currently 7 names in this directory beginning with the letter A.
Acrylic:
Thermosplastic glazing material.
Air Infiltration:
Air movement through the building envelope. In the case of windows the CSA A440 standard for windows, the "A" measurement rates air infiltration.
Aluminum:
A light weight metal used for building components. (eg: siding, soffit, fascia, capping coil, rain gutter, window profiles)
Arch-Top:
A term used to describe a window unit with a curved frame. These units, also called curved-tops or round-tops are often placed over another window.
Argon:
An inert, non-toxic gas used in insulating glass units to reduce heat transmission.
Astragal:
Center post between two swinging doors.
Awning:
Window with sash swinging outward from bottom.