(1) The height of a parapet wall above the adjacent roof surface shall be not more than three times the parapet wall thickness.
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(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 9.20.6.5 Ontario Regulation 332/12 Building Code, Information published by oncodes.ca for educational purposes only.
