Construction codes of Ontario

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Combination Room

(1) Two or more areas may be considered as a combination room if the opening between the areas occupies the larger of 3 m2 or 40% or more of the wall measured on the side of the dependent area. (2) Where the dependent area is a bedroom, direct passage shall be provided between the two areas. […]

Concrete Columns Sizes

Concrete Columns Sizes (1) Concrete columns shall be not less than 200 mm by 200 mm for rectangular columns and 230 mm diam for circular columns. Article 9.17.6.2 Ontario Regulation 332/12 Building Code, Information published by oncodes.ca for educational purposes only.

Continuity of Handrails

Continuity of Handrails (1) Except for stairs or ramps serving a house or an individual dwelling unit, at least one required handrail shall be continuous throughout the length of the stair or ramp, including at the landings, except where interrupted by doorways. (2) For stairs or ramps serving a house or an individual dwelling unit, at […]

Continuity of Rafters and Joists

Continuity of Rafters and Joists (1) Roof rafters and joists and ceiling joists shall be continuous or shall be spliced over vertical supports that extend to suitable bearing. Article 9.23.13.1. Ontario Regulation 332/12 Building Code, Information published by oncodes.ca for educational purposes only.

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 […]

Corrosion protection for materials used in wiring

Corrosion protection for materials used in wiring 1) Metals used in wiring, such as raceways, cable sheaths and armour, boxes, and fittings, shall be suitably protected against corrosion for the environment in which they are to be used or shall be made of suitable corrosion-resistant material. 2) Where practicable, dissimilar metals shall not be used […]

Crawl Space Ventilation and Ground Cover

Crawl Space Ventilation and Ground Cover Crawl space walls below the level of the outside finished grade must be dampproofed. Install drain pipe around the footings and connect it to a sewer, ditch or dry well. Slope crawl space floors and access trenches toward the floor drain. For unheated crawl spaces, install a ground cover […]