Window Terms Glossary

AAMAAmerican Architectural Manufacturers Association. A national trade association that establishes voluntary standards for the window, door, storefront, curtain wall, and skylight industries.

Air Chambersspaces with the sash and frame which makes the window more energy efficient and help to insulate.

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Air leakage: it is the measured, equivalent cubic feet of air passing through a square foot of window area. Heat loss and gain occur by infiltration through cracks in the window assembly.

Airspacethe space between multiple-pane of glass in a window.

Argon gas: is safe, nontoxic, non-flammable inert gas used in insulating low e glass unit to reduce heat compounds.

ANSI. American National Standards Institute.

Annealed glass: Standard sheet of float glass which is a process of heating and slow cooling to relieve stresses either compressive or tensile in a matter of minutes.

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Awning window:  is a window with one or more sashes, hinges at the top and swinging outward. Designed to admit air while excluding rain.