Construction codes of Ontario

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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 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 […]

Residential Fire Warning Systems

(1) Except where a fire alarm system is installed or required in a building, smoke detectorsforming part of a residential fire warning system installed in conformance with CAN/ULC-S540 “Residential Fire and Life Safety Warning Systems: Installation, Inspection, Testing and Maintenance”, are permitted to be installed in lieu of all smoke alarms required by Articles 9.10.19.1. and […]

Resistance to Forced Entry for Windows

Resistance to Forced Entry for Windows (1) In dwelling units, windows, any part of which is located within 2 m of adjacent ground level, shall conform to the requirements for resistance to forced entry as described in Clause 5.3.5 of AAMA/WDMA/CSA 101/I.S.2/A440, “NAFS – North American Fenestration Standard/Specification for Windows, Doors, and Skylights”. Article 9.7.5.3 Ontario […]

Restraint of Joist Bottoms

Restraint of Joist Bottoms (1) Roof joists supporting a finished ceiling, other than plywood, OSB or waferboard, shall be restrained from twisting along the bottom edges by means of furring, blocking, cross bridging or strapping conforming to Article 9.23.9.3. Article 9.23.13.9 Ontario Regulation 332/12 Building Code, Information published by oncodes.ca for educational purposes only.

Running of cable between boxes and fittings

Running of cable between boxes and fittings (see Appendices B and G) 1) Where the cable is run between boxes and fittings, it shall be supported by straps, Type 2S or 21S cable ties, or other devices located a) within 300 mm of every box or fitting; andb) at intervals of not more than 1.5 […]

Screws for Fastening Gypsum Board

Screws for Fastening Gypsum Board (1) Screws for fastening gypsum board to wood supports shall conform to ASTM C1002, “Steel Self-Piercing Tapping Screws for the Application of Gypsum Panel Products or Metal Plaster Bases to Wood Studs or Steel Studs”. Article 9.29.5.7. Ontario Regulation 332/12 Building Code, Information published by oncodes.ca for educational purposes only. […]