Construction codes of Ontario

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Cap Flashing

Cap Flashing Parapet walls require a metal cap flashing to prevent water from penetrating from the top of the wall. Since a cap flashing sheds water, it must be sloped toward the roof to prevent staining of the exterior cladding. In addition, it cannot be made waterproof at the joints, and requires a secondary, continuous […]

Cavity Walls

(1) Cavity walls shall be made with not less than 90 mm wide units if the joints are raked and not less than 75 mm wide units if the joints are not raked. (2) The width of a cavity in a cavity wall shall be not less than 50 mm and not greater than 150 […]

Cavity Walls Supporting Framing Members

Cavity Walls Supporting Framing Members (1) Floor joists supported on cavity walls shall be supported on solid masonry units not less than 57 mm high. (2) Floor joists described in Sentence (1) shall not project into the cavity. (3) Roof and ceiling framing members bearing on cavity walls shall be supported on, (a) solid masonry […]

Cellular Concrete

Cellular Concrete (1) Masonry made with cellular concrete shall not be used in contact with the soil or exposed to the weather. Article 9.20.2.4 Ontario Regulation 332/12 Building Code, Information published by oncodes.ca for educational purposes only.

Chases and Recesses Maximum Dimensions

Chases and Recesses Maximum Dimensions (1) Except as provided in Sentence 9.20.7.2.(2) and Article 9.20.7.4., the depth of any chase or recess shall not exceed one-third the thickness of the wall, and the width of the chase or recess shall not exceed 500 mm. Article 9.20.7.1 Ontario Regulation 332/12 Building Code, Information published by oncodes.ca […]

Chases or Recesses Cut into Walls

Chases or Recesses Cut into Walls (1) Chases or recesses shall not be cut into walls made with hollow units after the masonry units are in place. Article 9.20.7.5 Ontario Regulation 332/12 Building Code, Information published by oncodes.ca for educational purposes only.

Chimney Saddles

Chimney Saddles (1) Except as otherwise permitted in Sentence (5), chimney saddles shall be installed where the upper side of a chimney on a sloping roof is more than 750 mm wide. (2) Chimney saddles shall be covered with sheet metal or roofing material of weight and quality equivalent to the roofing. (3) Saddles shall be flashed where […]