Construction codes of Ontario

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Shaping of Rafters

Shaping of Rafters (1) Rafters shall be shaped at supports to provide even bearing surfaces and supported directly above the exterior walls. Article 9.23.13.5 Ontario Regulation 332/12 Building Code, Information published by oncodes.ca for educational purposes only.

Sheet Metal Roofing Thickness

Sheet Metal Roofing Thickness (1) Sheet metal roofing shall be not less than, (a) 0.33 mm thick galvanized steel, (b) 0.46 mm thick copper, (c) 0.46 mm thick zinc, or (d) 0.48 mm thick aluminum. Article 9.26.13.1. Ontario Regulation 332/12 Building Code, Information published by oncodes.ca for educational purposes only. Sheet […]

Sheet Metal Thickness

Sheet Metal Thickness (1) Minimum thicknesses for sheet metal material required in this Part refer to the actual minimum base metal thicknesses measured at any point of the material, and in the case of galvanized steel described in Sentence 9.3.3.2.(1), include the thickness of the galvanizing coating unless otherwise indicated. Article 9.3.3.1 Ontario Regulation 332/12 Building […]

Sheet or Panel Products

Sheet or Panel Products Panel products such as plywood and oriented strand board (OSB) are used in wood-frame construction to add rigidity to roof, wall and floor framing, and to provide a uniform surface for the application of roofing, cladding and floor finish materials. Plywood is made of thin layers or plies of wood glued […]

Shingles Fasteners

Shingles Fasteners (1) Except as provided in Sentence (2), shingles shall be fastened with at least four nails or staples for 1 000 mm wide shingles so that no nails or staples are exposed. (2) Where staples with an 11 mm crown are used, shingles shall be fastened with at least six staples. (3) Fasteners may be reduced […]

Sill-Plate Method

Sill-Plate Method The sill-plate method is the most common form of connection and can be used with either concrete or concrete block foundation walls. It consists of a wood sill plate anchored to the foundation wall (Figure 56) for the support and fastening of the joists and a rim joist attached to the ends of […]

Site Assembly of Pitched Roofs

Site Assembly of Pitched Roofs For on-site construction, the gable roof is the simplest roof constructed with rafters or trusses (Figure 82), which are the same length and pattern and can be erected rather easily. Dormers may be added to provide additional light, headroom and ventilation (see Figure 88). The hip roof design uses common […]