Construction codes of Ontario

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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 Finish Flooring

Required Finish Flooring (1) Finished flooring shall be provided in all residential occupancies. Article 9.30.1.1. Ontario Regulation 332/12 Building Code, Information published by oncodes.ca for educational purposes only.

Required Floors-on-Ground

Required Floors-on-Ground (1) All spaces within dwelling units, except crawl spaces, shall be provided with a floor-on-ground, where, (a) access is provided to the space, and (b) a floor supported by the structure is not provided Article 9.16.1.3 Ontario Regulation 332/12 Building Code, Information published by oncodes.ca for educational purposes only.

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 Installation of Granular Fill

Required Installation of Granular Fill (1) Except as provided in Sentence (2), not less than 100 mm of coarse clean granular material containing not more than 10% of material that will pass a 4 mm sieve shall be placed beneath floors-on-ground. (2) Granular material need not be installed under, (a) slabs in garages, carports or accessory […]

Required Landings

Required Landings This Subsection applies to landings, except landings for ramps in a barrier-free path of travel. (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 […]