Construction codes of Ontario

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Support of Walls

Support of Walls (1) Non-loadbearing walls parallel to the floor joists shall be supported by joists beneath the wall or on blocking between the joists. (2) Blocking referred to in Sentence (1) for the support of non-loadbearing walls shall be not less than 38 mm by 89 mm lumber, spaced not more than 1.2 m apart. […]

Surface Defects Underlay

Surface Defects Underlay (1) Underlay beneath resilient or ceramic floors applied with an adhesive shall have all holes or open defects on the surface patched so that the defects will not be transmitted to the finished surface. Article 9.30.2.5 Ontario Regulation 332/12 Building Code, O. Reg. 332/12: BUILDING CODE (ontario.ca) © Queen’s Printer for Ontario, […]

T and Cross Pipe Fittings Vent and Drainage

T and Cross Pipe Fittings (1) A T fitting shall not be used in a drainage system except to connect a vent pipe. (2) A cross fitting shall not be used in a drainage system. Article 7.2.4.1. Ontario Regulation 332/12 Building Code, O. Reg. 332/12: BUILDING CODE (ontario.ca) © Queen’s Printer for Ontario, 2021

Table – Size and Spacing of Furring

Table – Size and Spacing of Furring Table 9.29.3.1. Forming Part of Sentence 9.29.3.1.(1) Table 9.29.3.1. Ontario Regulation 332/12 Building Code, Information published by oncodes.ca for educational purposes only.

Taping Low Temperature Conditions

Taping Low Temperature Conditions (1) In cold weather, heat shall be provided to maintain a temperature of not below 10°C for 48 h prior to taping and finishing and maintained for not less than 48 h after that. Article 9.29.5.10 Ontario Regulation 332/12 Building Code, Information published by oncodes.ca for educational purposes only. Drywall mudding […]

Temperature control

Temperature control 1) Each enclosed area within which a heater is located shall have a temperature control device. 2) Notwithstanding Subrule 1), trace heater sets and heating panel sets shall be permitted to extend into adjacent rooms and be controlled by a single temperature control device. Source: Rule 62-202, CSA C22.1:21, Canadian Electrical Code, Part […]

Thickness of Subflooring

Thickness of Subflooring Table 9.23.14.5.A. Forming Part of Sentences 9.23.14.5.(1) and 9.23.15.7.(1) Table 9.23.14.5.A. Ontario Regulation 332/12 Building Code, Information published by oncodes.ca for educational purposes only.