Construction codes of Ontario

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Size of Wall Plates

Size of Wall Plates (1) Except as provided in Sentence (2), wall plates shall be, (a) not less than 38 mm thick, and (b) not less than the required width of the wall studs. (2) In non-loadbearing walls and in loadbearing walls where the studs are located directly over framing members, the bottom wall […]

Space for insulated conductors in boxes

Space for insulated conductors in boxes Table 22 (See Rule 12-3034.) Source: Table 22, CSA C22.1:21, Canadian Electrical Code, Part 1 (25th Edition), Safety Standard for Electrical Installations. © 2021 Canadian Standards Association. Please visit store.csagroup.org

Spacing of Nails for Gypsum Board

Spacing of Nails for 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 […]

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 […]