In the past, wood and mill-finish aluminum with single-pane glass are the only frame options for residential windows. However, in 1947, the Aluminum Window Manufacturers Association established the first industry standard for aluminum alloys and the structural strength of double-hung aluminum windows.
At present, the North American Fenestration Standard covers 10 window materials, 45 different styles and various performance factors according to application. Learn more on how window and door standards are developed from your trusted window company.
How Window Standards Are Made
AAMA develops standards through an open consensus process in line with AAMA 120, Procedural Guide for Creation, Publication and Maintenance of American Architectural Manufacturers Association Technical Documents.
Four group levels participate in the development of standards for replacement windows and doors. Product groups or material councils designate committees to take care of certain issues of concern to the industry. These committees usually divide the work and appoint them to task groups. A standard can be created to tackle the issue at the task group, committee or council level.
A broad-based consensus is achieved through balloting. Once a draft is considered complete or in certain stages of development, it’s sent to all members of the initial developing group. After it has been approved, the draft is then sent to the committee and council that the originating group reports to.
A draft usually goes through several revisions before reaching a final version. Once finalized, it is balloted to the concerned product group and posted on the AAMA website for comments. All comments must be addressed before the document can go further in the development process.
Ballots are sent to members because their technical expertise is needed for reviewing the document. A member may not be a significant part of the drafting, but balloting allows them to voice their concerns regarding product representation and application.
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