NAFS 2017 open to public review

Patrick Flannery
January 03, 2017
The North American Fenestration Standard governing air/water ingress for windows and doors has been updated and a draft published for public input. Anyone can now review the document and submit comments with a free online registration on the CSA website. The comments will be reviewed by the committees preparing the final draft. 

According to Al Jaugelis of RDH Building Sciences, the 2017 update is more a matter of evolutionary tweaks than major changes. It is not anticipated that the standard, when and if it is adopted into building codes, will result in major changes to how windows and doors are built and tested.

Highlights of the update:
  • Parallel opening windows and folding door systems now addressed in the standard
  • Canadian and American test requirements harmonized
  • Leakage through door hardware and site-installed door hardware addressed
  • Changes to test specimens and testing and labelling of mullions and casement sashes
  • Changes to component and material requirements, including exterior fasteners, fall prevention devices, vinyl quality, thermoplastics, wood moisture content and wood flush and moulded fibre doors

Jaugelis has provided a more comprehensive overview on his blog.

Review and comment on the document here.

The review period is open until Feb. 5.

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