U.S. manufacturers were taught about Canadian codes, especially the Canadian Standards Association (CSA) A440S1-17, Canadian Supplement to the North American Fenestration Standard (NAFS)-11. at the summer conference of the American Architectural Manufacturers Association (AAMA)...


When you come to Parliament on your first day, you wonder how you ever got here. After that, you wonder how the other 263 members got here,” said John Diefenbaker while addressing the Canadian...

Design/construction professionals can minimize their difficulties with onsite, or ‘in-situ,’ testing of fenestration components by adhering to certain well-established quality control (QC) principles that can reduce the chances of costly failures. However, there is...

Useful standards for testing the physical performance of windows have been developed over many years, culminating in the North American Fenestration Standard (NAFS). This standard was first published in 2005, with new editions available...