A new NAFS bulletin has just been issued to provide clarification on the wording of requirements relating to windows, doors, and skylights installed in part 9 buildings, which must conform to the North American Fenestration Standard (NAFS) by December 20, 2013. It is published as Technical Bulletin B13-06 on the website of the Ministry of Energy, Mines and Natural Gas - Office of Housing and Construction Standards. Click here to download a copy.
