Construction codes of Ontario

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Annular Grooved Nails

Annular Grooved Nails (1) When resilient flooring is applied directly to an OSB, waferboard, particleboard or plywood subfloor, the subfloor shall be fastened to the supports with annular grooved nails. Article 9.23.14.6 Ontario Regulation 332/12 Building Code, Information published by oncodes.ca for educational purposes only.

Beam and Joist Installation

Beam and Joist Installation Joists can rest on top of the beam (Figure 53), in which case the top of the beam is level with the top of the sill plate (Figure 52). This method is used where the basement has adequate headroom below the beam. The joists should lap above the beam and the […]

Bearing of Beams and Joists

Bearing of Beams and Joists (1) The bearing area under beams and joists shall be sufficient to carry the supported load. (2) In no case shall the minimum length of end bearing of beams supported on masonry be less than 90 mm. (3) The length of end bearing of floor, roof or ceiling joists supported on masonry shall […]

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 […]

Ceramic Tile Substrate

Ceramic Tile Substrate (1) Ceramic tile shall be set in a mortar bed or applied to a sound smooth base with a suitable adhesive. (2) Panel-type subfloor to which ceramic tile is to be applied with adhesive shall have its edges supported according to Article 9.23.14.3. Article 9.30.6.1. Ontario Regulation 332/12 Building Code, O. Reg. 332/12: […]

Columns Lateral Support

Columns Lateral Support (1) Columns shall be securely fastened to the supported member to reduce the likelihood of lateral differential movement between the column and the supported member. (2) Except as permitted by Sentence (3), columns shall be laterally supported, (a) directly, or (b) by connection to the supported members. (3) Columns need not […]

Control of Water Ingress

Control of Water Ingress (1) Except as provided in Article 9.16.3.2. or where it can be shown to be unnecessary, ingress of water underneath a floor-on-ground shall be prevented by grading or drainage. Article 9.16.3.1 Ontario Regulation 332/12 Building Code, Information published by oncodes.ca for educational purposes only.