Construction codes of Ontario

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Spacing of Nails Gypsum Board

Spacing of Nails Gypsum Board (1) For single-layer application on ceilings, nails shall be spaced, (a) not more than 180 mm o.c. on ceiling supports, or (b) every 300 mm o.c. along ceiling supports, in pairs about 50 mm apart. (2) Where the ceiling sheets are supported by the wall sheets around the perimeter […]

Spacing of Screws for Gypsum Board

Spacing of Screws for 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. […]

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 […]

Spacing of Supports for Gypsum Board

Spacing of Supports for Gypsum Board Table 9.29.5.3. Forming Part of Sentence 9.29.5.3.(1) Table 9.29.5.3. Ontario Regulation 332/12 Building Code, Information published by oncodes.ca for educational purposes only. GYPSUM BOARD FINISH Gypsum board is usually applied in single sheets directly on the framing members. On ceilings, the board is applied with the long dimension […]

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 […]

Subfloor

Subfloor Plywood, OSB or tongue-and-grooved lumber no wider than 184 mm (8 in. nominal) is typically used for subflooring. Minimum thicknesses for subflooring are shown in Table 22. Plywood and OSB are often used as subflooring under wood-strip flooring or as a combination subfloor and underlay for resilient flooring or ceramic tile. When used as […]