May 24, 2014
Accessibility and barrier-free design notwithstanding, the North American Fenestration Standard (NAFS), referenced in the 2010 National Building Code of Canada (NBC), sets different operating force limits for standard CW and AW Performance Class windows. There are inherent differences between window types.
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Source URL: https://www.constructioncanada.net/accessibility-of-operable-windows-nafs-operating-force-limitations/
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