Construction codes of Ontario

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Hydrostatic Pressure (floor-on ground)

Hydrostatic Pressure floor-on ground (1) Where groundwater levels may cause hydrostatic pressure beneath a floor-on-ground, the floor-on-ground shall be, (a) a cast-in-place concrete slab, and (b) designed to resist such pressures Article 9.16.3.2 Ontario Regulation 332/12 Building Code, Information published by oncodes.ca for educational purposes only.

Identification and Certification Plumbing Component

Identification and Certification Plumbing Component (1) Every length of pipe and every fitting shall have cast, stamped or indelibly marked on it the maker’s name or mark and the weight or class or quality of the product, or it shall be marked in accordance with the relevant standard, and such markings shall be visible after installation. […]

Indoor Design Temperatures

Indoor Design Temperatures (1) At the outside design temperature, required heating facilities shall be capable of maintaining an indoor air temperature of not less than, (a) 22°C in all living spaces, (b) 22°C in unfinished basements, and (c) 15°C in heated crawl spaces. Article 9.33.3.1 Ontario Regulation 332/12 Building Code, Information published […]

Installation of Thermal Insulation

Installation of Thermal Insulation (1) Insulation shall be installed so that there is a reasonably uniform insulating value over the entire face of the insulated area. (2) Insulation shall be applied to the full width and length of the space between furring or framing. (3) Except where the insulation provides the principal resistance to air leakage, […]

Installation of Vapour Barriers

Installation of Vapour Barriers (1) Products installed to function as the vapour barrier shall protect the warm side of wall, ceiling and floor assemblies. (2) Where different products are used for the vapour barrier and the insulation, the vapour barrier shall be installed sufficiently close to the warm side of the insulation to prevent condensation at design […]

Insulation of Ducts Carrying Outdoor Air

Insulation of Ducts Carrying Outdoor Air Table 9.32.3.10.A. Forming Part of Sentence 9.32.3.10.(4) Table 9.32.3.10.A. Ontario Regulation 332/12 Building Code, Information published by oncodes.ca for educational purposes only.

Interior Wall and Ceiling Finishes

Interior Wall and Ceiling Finishes Gypsum board (drywall) is the most common interior finish in Canadian houses. In addition to providing a smooth, paintable surface, gypsum board provides a degree of fire resistance to lightweight structural framing, allowing walls and floors to remain in place to provide some time for occupants to become aware of […]