Construction codes of Ontario

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Ground Cover in Heated Crawl Spaces

Ground Cover in Heated Crawl Spaces (1) Where a crawl space is heated, a ground cover consisting of not less than 0.15 mm polyethylene sheet conforming to CAN/CGSB-51.34-M, “Vapour Barrier, Polyethylene Sheet, for Use in Building Construction”, shall be installed as part of an air barrier system in accordance with Subsection 9.25.3. (2) The ground […]

Ground Cover in Unheated Crawl Spaces

Ground Cover in Unheated Crawl Spaces (1) Where a crawl space is unheated, a ground cover shall be provided consisting of not less than, (a) 50 mm of asphalt paving material, (b) 100 mm of 15 MPa Portland cement concrete, (c) Type S roll roofing, or (d) 0.10 mm polyethylene. (2) Joints […]

Guards

(1) Except as provided in Sentence (6) and Articles 3.3.2.8. and 3.3.4.7., a guard not less than 1 070 mm high shall be provided, (a) around each roof to which access is provided for other than maintenance, (b) at openings into smoke shafts referred to in Subsection 3.2.6. that are less than 1 070 […]

Guards Designed Not to Facilitate Climbing

Guards Designed Not to Facilitate Climbing (1) Guards required by Article 9.8.8.1., except those in industrial occupancies and where it can be shown that the location and size of openings do not represent a hazard, shall be designed so that no member, attachment or opening located between 140 mm and 900 mm above the floor or […]

Gypsum Board Materials

Gypsum Board Materials (1) Gypsum products shall conform to, (a) CAN/CSA-A82.27-M, “Gypsum Board”, (b) ASTM C1178 / C1178M, “Coated Glass Mat Water-Resistant Gypsum Backing Panel”, or (c) ASTM C1396 / C1396M, “Gypsum Board”. Article 9.29.5.2 Ontario Regulation 332/12 Building Code, Information published by oncodes.ca for educational purposes only

Gypsum Board Supporting Insulation

Gypsum Board Supporting Insulation (1) Gypsum board supporting insulation shall be at least 12.7 mm thick. Article 9.29.5.4. Ontario Regulation 332/12 Building Code, Information published by oncodes.ca for educational purposes only. GYPSUM BOARD FINISH Although 9.5 mm (3⁄8 in.) thick gypsum board may be used on walls with support spacings up to 400 mm (16 […]

Handrails for Stairs and Ramps Table

Handrails for Stairs and Ramps Table Table 9.8.7.1.Handrails for Stairs and Ramps Forming Part of Sentence 9.8.7.1.(1) Table 9.8.7.1 Ontario Regulation 332/12 Building Code, Information published by oncodes.ca for educational purposes only.