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AAMA
American Architectural Manufacturers Association - a window industry
organization that establishes voluntary standards, e.g., AAMA/NWWDA
101/I.S.2-97, certification to those standards, and designations, e.g.,
H-C45 for the TRACO TR-5000. In addition, AAMA developed five
well-accepted performance classes - Residential (R), Light Commercial
(LC), Commercial (C), Heavy Commercial (HC), and Architectural (AW) –
which assist architects, specifiers, and building owners in defining the
appropriate window performance required for each application.
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adjustment clip
hardware on hung window jambs to align jambs after window installation.
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air infiltration rate
the amount of air leaking in and out of a building through cracks in
walls, windows, and doors (the lower, the better). Usually expressed as
cfm per square foot of window area.
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anodize
the process that provides a hard, durable oxide film on the surface of
aluminum, by electrolytic action.
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ANSI
American National Standards Institute - a clearing house for all types
of standards and specifications.
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ASCE
American Society of Civil Engineers which set standards for materials,
e.g., ASCE 7-93 (formerly ANSI A58.1) "Minimum Design Loads for
Buildings and Other Structures."
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ASTM
American Society for Testing and Materials - a society of engineers
which set standards for testing of materials.
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astragal
an extrusion that joins two sash which are in the same window track.
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