Codes Regulations  
What’s the Status of  
Canadian Codes?  
he adoption of the North Amer-  
ican Fenestration Standard  
(NAFS) has been one of the big-  
gest changes in the Canadian industry  
in recent years, according to Jeff Baker,  
president of Westlab and Fenestration  
Canada’s technical consultant. Baker  
recently gave a webinar for the Amer-  
ican Architectural Manufacturers  
Association (AAMA) on the current  
code-making process in Canada and  
what’s on the horizon.  
British Columbia,  
Alberta, Ontario  
and Quebec all  
have their own  
code-making process.  
Baker explained that building codes  
in Canada vary by province, but the  
national code is written by the Cana-  
dian Commission on Building and been published and is working its way break requirements and door lock  
Fire Codes (CCBFC). Because different into the provincial codes. The 2020 blocks. Section 6 also requires a per-  
building codes are in force in differ- code is currently being developed.  
ent provinces, the CCBFC gets policy All three versions use NAFS for fen- ucts that indicates the manufacturer’s  
advice from the Provincial/Territorial estration and glazing. identity. There must also be a label  
Policy Advisory Committee on Codes The Canadian Standards Associa- using primary and secondary desig-  
manent marking on fenestration prod-  
when it updates the national code. The tion (CSA) helped develop NAFS along nators from NAFS for window class,  
national code is written as a model with AAMA and the Window and Door design pressure, water penetration re-  
code and has no force of law unless it’s Manufacturers Association (WDMA). sistance test pressure and the Canadian  
adopted by a province or territory.  
The CCBFC oversees several com- cific supplements to NAFS.  
mittees and task groups and formally CSA A440S1 has additional require- fenestration energy performance, and  
CSA has also developed Canada-spe- air infiltration/exfiltration level.  
Additionally, CSA A440.2 covers  
approves all model code documents ments beyond NAFS, according to Baker said two standards from the  
and revisions prior to publication by Baker. For example, Section 4, on loads National Fenestration Rating Council  
Canada’s National Research Council and product selection, has calcula- (NFRC) are also used in Canada—  
Baker said Canada is on a five-year pressure (DRWP) and snow loads for (solar heat gain coefficient). However,  
code cycle, while the U.S. is on a three- skylights. he pointed out that energy require-  
year cycle. Baker said Fenestration Canada has ments are hit and miss in codes across  
British Columbia, Alberta, On- created a web-based calculator for Canada.  
tions for wind load, driving rain wind NRFC 100 (U-factor) and NFRC 200  
tario and Quebec all have their own A440S1, which is available on the Fen-  
As far as what the future might hold  
for Canadian codes, Baker said a sim-  
Section 5 performance requirements plification of NAFS could be coming in  
code-making process. The only city estration Canada website.  
with a building bylaw is Vancouver,  
which modifies the British Columbia include an operation force require- 2019. He added that the NAFS calcula-  
building code. He added that Vancou- ment, as well as tests for air leakage tor on the Fenestration Canada site will  
ver has the most aggressive energy and water penetration resistance.  
codes in the country. Section 6 covers prescriptive re- lower U-factors will continue.  
The 2010 National Building Code quirements for steel, steel door facings, Other trends Baker noted include  
NBC) is currently in use in Canada, steel door frames, sashes and frames electrochromic glass, vacuum glazing  
and Baker said the 2015 version has for steel windows, aluminum thermal and net-zero housing. n  
be updated soon, and the trend toward  
USGlass, Metal & Glazing | March 2017  

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