While it mostly harmonizes Canadian and American testing requirements, significant differences remain between NAFS in the U.S. and NAFS in Canada.

What is Performance Class? How do we determine Performance Grades? How does NAFS apply to curtain wall, window wall and storefront products?

From new terminology to using the Canadian Supplement to NAFS, there is a lot to learn.

Al Jaugelis, an RDH Fenestration Specialist, shares his intimate knowledge of NAFS, draws on his experience of testing and certifying fenestration products, and his long experience in the fenestration industry to provide timely insight and practical advice to design professionals and manufacturers in this series of blog posts on NAFS in Canada.

Written by:

Andrew Mattock