The Ontario Building Code | Elements of the Second Plane of Protection
18.104.22.168. Elements of the Second Plane of Protection
(2) The inner boundary of the drainage plane shall comply with,
(a) Articles 22.214.171.124. to 126.96.36.199., or
(b) Subsection 9.27.13.
(3) The protection provided by the second plane of protection shall be maintained,
(b) at the interface with other wall assemblies.
(4) Flashing material and installation shall comply with Articles 188.8.131.52. and 184.108.40.206.