(1)  The height of a parapet wall above the adjacent roof surface shall be not more than three times the parapet wall thickness.


(2)  A parapet wall shall be solid masonry that extends from the top of the parapet wall to not less than 300 mm below the adjacent roof level.

(3)  Where semi-solid or hollow units are used in a parapet wall, the cells of those units shall be filled with mortar, grout or concrete.

Article Ontario Regulation 332/12 Building Code,   Information published by oncodes.ca for educational purposes only.