Masonry Magazine December 2011 Page. 27
December 2011
Subsection 9.27.2.3-1b of the "National Building Code of Canada 2005, Vol. 1
Subsection 9.27.2.3-1b of the "National Building Code of Canada 2005, Vol. 1 states: "The second plane (the drainage plane) of protection shall be designed and constru