Construction codes of Ontario

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Attachment of Cladding to Sheathing

Attachment of Cladding to Sheathing (1) Gypsum sheathing, rigid insulation and fibreboard shall not be used for the attachment of siding materials. (2) Nails used in attaching the materials listed in Sentence (1) shall be not less than 3.2 mm diam with a minimum head diameter of 11 mm. Article 9.23.16.3 Ontario Regulation 332/12 Building Code, […]

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 for Beams

Bearing for Beams (1) Beams shall have even and level bearing and shall have not less than 89 mm length of bearing at end supports, except as required in notes to Tables A-8 to A-11. Article 9.23.8.1. Ontario Regulation 332/12 Building Code, Information published by oncodes.ca for educational purposes only.

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 […]

Bottom Wall Plates

Bottom Wall Plates (1) A bottom wall plate shall be provided in all cases. (2) The bottom plate in exterior walls shall not project more than one-third the plate width over the support. Article 9.23.11.2 Ontario Regulation 332/12 Building Code, Information published by oncodes.ca for educational purposes only.

Braced Wall Panels

Braced Wall Panels To provide lateral resistance in areas with high wind or earthquake exposure, builders have the option of using strong wall segments called braced wall panels. A braced wall panel is a portion of a wood-frame wall where the bracing, sheathing, cladding or interior finish is designed and installed to provide the required […]

Bracing and Lateral Support of Exterior Wall

Bracing and Lateral Support of Exterior Wall (1) Except as provided in Sentence (2), each exterior wall in each storey shall be braced with at least one diagonal brace conforming to Sentence (3). (2) Bracing is not required where the walls, (a) have an interior finish conforming to the requirements of Section 9.29., or […]