The Ontario Building Code | Sheathing Membrane Material Standard
9.27.3.2. Sheathing Membrane Material Standard
(1) Sheathing membranes shall conform to the performance requirements of CAN/cgsb-51.32-M, "Sheathing, Membrane, Breather Type".
9.27.3.2. Sheathing Membrane Material Standard
(1) Sheathing membranes shall conform to the performance requirements of CAN/cgsb-51.32-M, "Sheathing, Membrane, Breather Type".
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