Perhaps they assumed that NAFS is NAFS, on both sides of the border. On top of that NAFS covers products that previously were not subject to testing: unit skylights, tubular daylighting devices, and side hinged doors. @� �ݮ On December 11, 2015, new requirements in the BC Building Code (“code”) came into effect for windows, doors and skylights (fenestration products). 834 0 obj <>/Filter/FlateDecode/ID[<601812E251B62B4C89BD8283EE618839><500AF3B725A72449969DF823572DB8CB>]/Index[822 22]/Info 821 0 R/Length 81/Prev 585946/Root 823 0 R/Size 844/Type/XRef/W[1 3 1]>>stream If you sell or specify windows and doors in Canada today, you need to know how NAFS is applied under Canadian building codes. Take the case of a sliding sash product, for example. . If the product could achieve a higher water test pressure, say 440 Pa (9.0 psf) or 730 Pa (15.0 psf), there is no way to report this benefit in the Primary Designator. So far we’ve looked at the differences between Canadian and U.S. testing requirements within NAFS. Well, it’s not. endstream endobj startxref It means U.S. NAFS ratings for products that have higher operating forces than shown in Table 6 are not valid in Canada. %%EOF 2012 BC Building Code Revision 3 - December 20, 2013; 2012 BC Building Code Revision 4 - April 12, 2013 NOTE: further extension of the NAFS delay within Revision 1 (Ministerial Order 060-2013) 2012 BC Building Code Revision 5 - December 19, 2014 Section 9.36. I have spoken with several U.S. manufacturers who were disappointed to find themselves in this situation. And for all products, the maximum force to maintain motion is lower in Table 6 than in Table 7. The changes apply to buildings for which a building permit was applied for on or after that date. The new standard for the National Building Code requires all residential windows and doors to meet the North American Fenestration Standard (NAFS). We have landed in a new Code world. The BC Building Code 2018 references the 2011 edition of the North American Fenestration Standard/Specification for Windows, Doors, and Skylights (NAFS) and the 2017 edition of the Canadian Supplement to NAFS. Several provinces (and a few cities) have their own building codes based on the NBC model code, but most provinces and territories eventually adopt the NBC, often with amendments. In the U.S., air leakage has always been measured in one direction: into the building under positive pressure. They need to know that products tested and certified to the American requirements in NAFS do not automatically comply with Canadian codes. As with previous editions, buildings with permits in place under the 2012 BC Building Code will generally not be affected by the adoption of the new code. The BC Building Code (BCBC) is a provincial regulation that governs how new construction, building alterations, repairs and demolitions are completed. This has huge implications for all parties involved in the specification and supply chain, as alert building officials will be studying labels to ensure the Performance Grade and Water Test Pressure values are appropriate for buildings in their jurisdiction. And instead of the familiar ABC ratings, we now talk about Performance Grade, Water Penetration Resistance Test Pressure, and Canadian Air Infiltration/Exfiltration Levels. And that’s not all: there are additional Canadian-only performance and labeling requirements in a companion document, CSA A440S1-09, the Canadian Supplement to NAFS-08. NAFS-08 Table 8 presents the U.S. maximum air leakage rates. In Canada, air leakage measured in both directions, into and out from windows, for the logical reason that windows are subject to both positive and negative wind pressures, and windows often perform differently under positive pressure than under negative pressure. All rights . The following provincial codes currently require NAFS compliance: As of August 14 2014, the NAFS standard is in effect in all provinces except: For a detailed list of jurisdictions and the dates on which NAFS requirements apply, see Building Code Rumours.
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