What is an AW60 window and how will it perform? The window performance classes and performance grades set by the North American Fenestration Standard provide a simplified method for specifying the minimum performance for air infiltration, water penetration, and structural capacity. Learn what the ratings mean to specify the correct window performance for projects.
Visit our website at https://www.conspectusinc.com/publications.htm to view or download B2020-Exterior Window Ratings 10.05.01.
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David Stutzman