Construction codes of Ontario

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Spacing of Screws Gypsum Board

Spacing of Screws Gypsum Board (1) For single-layer application on a ceiling, screws shall be spaced not more than 300 mm o.c. on ceiling supports. (2) Where the ceiling sheets are supported by the wall sheets around the perimeter of the ceiling, this support may be considered as equivalent to screwing at this location. (3) Except […]

Spiral Stairs

(1) Spiral stairs shall have, (a) handrails on both sides, the outer handrail being not less than 1 070 mm high, (b) a clear width not less than 660 mm between handrails, (c) risers that are not more than 240 mm high, (d) treads that, (i) are a minimum of 190 […]

Stairs

(1) Stairs shall be inclined at an angle of not more than 45° with the horizontal, and their steps shall have risers not more than 210 mm high and treads not less than 220 mm wide exclusive of nosing. (2) Stairway headroom shall be not less than 1 950 mm plus the height of one riser […]

Stud Posts Built into Walls

Stud Posts Built into Walls (1) Except as provided in Sentences (2) and (3), stud posts shall be designed in accordance with Part 4. (2) The number of studs in a wall directly below a girder truss or roof beam shall conform to Tables A-34 to A-37, provided, (a) the studs are fastened together to […]

Studs at Sides of Openings

Studs at Sides of Openings (1) Except as provided in Sentence (2), studs shall be doubled on each side of openings so that the inner studs extend from the lintel to the bottom wall plate and the outer studs extend from the top wall plates to the bottom wall plate. (2) Single studs are permitted to […]

Subflooring Edge Support

Subflooring Edge Support (1) Where the edges of panel-type subflooring are required to be supported, such support shall consist of tongue-and-groove panel edges or not less than 38 mm by 38 mm blocking securely nailed between framing members. Article 9.23.14.3. Ontario Regulation 332/12 Building Code, Information published by oncodes.ca for educational purposes only.

Support for Cladding Materials

Support for Cladding Materials (1) Corners and intersections shall be designed to provide adequate support for the vertical edges of interior finishes, sheathing and cladding materials, and in no instance shall exterior corners be framed with less than the equivalent of two studs. Article 9.23.10.5. Ontario Regulation 332/12 Building Code, Information published by oncodes.ca for […]