Construction codes of Ontario

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Size and Spacing of Studs

Size and Spacing of Studs Table 9.23.10.1.Forming Part of Sentence 9.23.10.1.(1) Notes to Table 9.23.10.1.: (1) See Article 9.23.10.3. Table 9.23.10.1. Ontario Regulation 332/12 Building Code, Information published by oncodes.ca for educational purposes only.

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 […]

Skylights

Skylights Skylights are windows designed and manufactured for installation in a roof assembly. They must be installed carefully because they are exposed to severe climatic conditions and their remote location makes them difficult to maintain. Skylights must be securely attached to the roof framing and sealed to the air barrier system in the roof, at […]

Smoke Alarms

(0.1) Except as provided in Article 3.2.4.22A., smoke alarms shall be installed in accordance with this Article. (1) Except as permitted by Sentence (6), smoke alarms conforming to CAN/ULC-S531, “Smoke Alarms”, shall be installed in each dwelling unit and, except for care, care and treatment or detention occupancies required to have a fire alarm system, in […]

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 […]