Resources

Annealed Glass

Standard float glass that has been slowly cooled during manufacturing without additional heat treatment, making it the base product from which tempered and heat-strengthened glass are made.

Argon Gas

An inert gas used to fill the cavity in insulated glass units, providing better thermal insulation than air.

Casement Window

A window with a sash that is hinged on one side and swings outward like a door, operated by a crank mechanism.

Condensation

The formation of water droplets on window surfaces when the glass temperature drops below the dew point of the surrounding air.

CSA A440 / NAFS

The Canadian standard for windows, doors, and skylights that specifies performance requirements for air tightness, water tightness, wind resistance, and structural performance.

Curtain Wall

A non-structural exterior wall system, typically consisting of aluminum framing and glass panels, that is attached to the building structure.

Double-Hung Window

A window with two sashes that slide vertically within the frame, with both the upper and lower sashes operable.

Egress Window

A window that meets minimum size and opening requirements to provide an emergency escape route, required by building codes in all bedrooms.