Warning This information has been archived because it is outdated and no longer relevant.

Archived Content

Information identified as archived on the Web is for reference, research or recordkeeping purposes. It has not been altered or updated after the date of archiving. Web pages that are archived on the Web are not subject to the Government of Canada Web Standards. As per the Communications Policy of the Government of Canada, you can request alternate formats on the "Contact Us" page.

9.25.1.2.(3)
+
Application
Application 1: 
Wood-based sheathing materials, in buildings to which Part 9 applies [see Sentence 1.3.3.3.(1) of Division A for application of Part 9], where such materials:
  • comply with Sentence 9.23.16.2.(1), and
  • are not more than 12.5 mm thick.
Top of Page
Intent
Intent 1: 
To exempt from the application of Clause 9.25.1.2.(2)(b) sheathing materials that have demonstrated—despite their lower air and vapour permeances—acceptable performance with respect to moisture dissipation.
Top of Page