Construction codes of Ontario

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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 […]

Gypsum Products

Gypsum Products (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.

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.

Header Joists

Header Joists (1) Header joists around floor openings shall be doubled when they exceed 1.2 m in length. (2) The size of header joists exceeding 3.2 m in length shall be determined by calculations. Article 9.23.9.5. Ontario Regulation 332/12 Building Code, Information published by oncodes.ca for educational purposes only.

Heat Flow Control

Heat Flow Control All assemblies that separate the conditioned environment from the unconditioned environment, including attached garages, must be insulated. This includes roofs, walls, foundations, windows and doors. The 2012 Interim Changes to the 2010 NBC regulate the “effective” insulation value for each assembly or component of the building envelope for six different Canadian climate […]

Heater controls installed in proximity to sinks, tubs, or shower stalls

Heater controls installed in proximity to sinks, tubs, or shower stalls 1) A manually operated control for a heating device shall be located not less than 1 m from a sink (a wash basin complete with a drainpipe), tub, or shower stall, this distance being measured horizontally between the control and the sink, tub, or […]

Heating and Ventilation Planning

Heating and Ventilation Planning Plan where heating and ventilation ductwork will be located and how it might affect floor joists and wall insulation values. Use low-noise source exhaust fans. Consider the use of heat recovery ventilation as an energy efficient means of providing required ventilation. Consider installing additional heating ducts close to the floor in […]