Construction codes of Ontario

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Recessed Lighting Fixtures

Recessed Lighting Fixtures (1) Recessed lighting fixtures shall not be located in insulated ceilings unless the fixtures are designed for such installations. Article 9.34.1.4 Ontario Regulation 332/12 Building Code, Information published by oncodes.ca for educational purposes only.

Required Barrier to Air Leakage

Required Barrier to Air Leakage (1) Wall, ceiling and floor assemblies that separate conditioned spaces from unconditioned spaces or from the ground shall be constructed so as to include an air barrier system that will provide a continuous barrier to air leakage, (a) from the interior of the building into wall, floor, attic or roof […]

Required Barrier to Vapour Diffusion

(1) Thermally insulated wall, ceiling and floor assemblies shall be constructed with a vapour barrier sufficient to prevent condensation in the wall spaces, floor spaces or attic or roof spaces. Article 9.25.4.1 Ontario Regulation 332/12 Building Code, Information published by oncodes.ca for educational purposes only. A vapour Barrier is required for insulation installed between the […]

Required Guards

(1) Except as provided in Sentences (2) and (3), every surface to which access is provided for other than maintenance purposes, including but not limited to flights of steps and ramps, exterior landings, porches, balconies, mezzanines, galleries and raised walkways, shall be protected by a guard on each side that is not protected by a wall […]

Required Handrails

Required Handrails (1) Except as provided in Sentences (2) to (5), a handrail shall be installed on stairs and ramps in conformance with Table 9.8.7.1 (2) Where a stair or a ramp is required to be at least 2 200 mm wide due to the occupant load, a handrail shall be installed such that no position […]

Required Landings

Required Landings (1) Except as provided in Sentences (2), (3) and (4) and Sentence 9.9.6.6.(2), a landing shall be provided, (a) at the top and bottom of each flight of interior and exterior stairs, including stairs in garages, (b) at the top and bottom of every ramp with a slope greater than 1 in […]

Required Venting

Required Venting (1) Except where it can be shown to be unnecessary, where insulation is installed between a ceiling and the underside of the roof sheathing, a space shall be provided between the insulation and the sheathing, and vents shall be installed to permit the movement of air from the space to the exterior. Article 9.19.1.1 […]