Construction codes of Ontario

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Ceiling Heights of Rooms or Spaces – Table

Table 9.5.3.1.Room Ceiling Heights Forming Part of Sentences 9.5.3.1.(1) and (2) Notes to Table 9.5.3.1.: (1) Area of the space shall be measured at floor level. Table 9.5.3.1 Ontario Regulation 332/12 Building Code, Information published by oncodes.ca for educational purposes only.

Ceramic Tile and Mortar Base

Ceramic Tile and Mortar Base (1) When ceramic tile is applied to a mortar base the cementitious material shall consist of one part Portland cement to not more than one-quarter part lime by volume. (2) The cementitious material described in Sentence (1) shall be mixed with no fewer than three nor more than five parts of aggregate […]

Ceramic Tile Substrate

Ceramic Tile Substrate (1) Ceramic tile shall be set in a mortar bed or applied to a sound smooth base with a suitable adhesive. (2) Panel-type subfloor to which ceramic tile is to be applied with adhesive shall have its edges supported according to Article 9.23.14.3. Article 9.30.6.1. Ontario Regulation 332/12 Building Code, O. Reg. 332/12: […]

Cleanout Fittings

Cleanout Fittings (1) Every plug, cap, nut or bolt that is intended to be removable from a ferrous fitting shall be of a non-ferrous material. (2) A cleanout fitting that as a result of normal maintenance operations cannot withstand the physical stresses of removal and reinstallation or cannot ensure a gas-tight seal shall not be installed. (3) A […]

Combined Living, Dining, Bedroom and Kitchen Spaces

Combined Living, Dining, Bedroom and Kitchen Spaces (1) Despite Subsections 9.5.4. to 9.5.7., where living, dining, bedroom and kitchen spaces are combined in a dwelling unit that contains sleeping accommodation for not more than two persons, the area of the combined spaces shall be not less than 13.5 m2. Article 9.5.8.1 Ontario Regulation 332/12 Building Code, […]

Concealed Overflows

Concealed Overflows (1) A dishwashing sink and a food preparation sink shall not have concealed overflows. Article 7.2.2.4. Ontario Regulation 332/12 Building Code, O. Reg. 332/12: BUILDING CODE (ontario.ca) © Queen’s Printer for Ontario, 2021. Note : What is a concealed overflow. A sink overflow is a hidden channel running along the underside of the sink […]

Continuity of the Air Barrier System

Continuity of the Air Barrier System (1) Where the air barrier system consists of an air-impermeable panel-type material, all joints shall be sealed to minimize air leakage. (2) Where the air barrier system consists of flexible sheet material, all joints shall be, (a) sealed with compatible material such as tape or flexible sealant, or […]