Construction codes of Ontario

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Floor Performance

Floor Performance The floor joist span tables incorporate vibration criteria. The tables recognize that some floor constructions are more “bouncy” or “springy” than others. Therefore, by adding blocking or increasing subfloor thickness, floors will be less springy or bouncy and floor joist spans may be increased. Alternatively, engineered wood products such as laminated veneer lumber […]

Floors over Unconditioned Spaces

Floors over Unconditioned Spaces Floors over unheated crawl spaces or over garages must be insulated. It is common to fill the space between the floor sheathing and a gypsum board ceiling under the floor with insulation. Where there is no finished ceiling on the underside of the floor, the insulation must be supported (to prevent […]

Footings and Foundations For Crawl Spaces

Footings and Foundations For Crawl Spaces Crawl spaces are enclosed spaces between the underside of a floor assembly and the ground below, where the clearance is less than the minimum 2 m (6 ft. 6 in.) required for a basement and less than 25 per cent of their area above ground is open to the […]

Framing around Openings

Framing around Openings (1) Roof and ceiling framing members shall be doubled on each side of openings greater than two rafter or joist spacings wide. Article 9.23.13.2 Ontario Regulation 332/12 Building Code, Information published by oncodes.ca for educational purposes only.

Framing for Plumbing systems

Framing for Plumbing systems The installation of the plumbing system usually begins after the framing is complete. The initial work is called “roughing-in” and includes installing plumbing vents and drains and all hot and cold water piping that will be enclosed in the walls and ceilings and under the basement floor. Since the bathtub must […]

General Receptables (see Appendices B and G)

General Receptables (see Appendices B and G) Receptacles for all residential occupancies (including dwelling units and single dwellings) shall meet thefollowing requirements: a) for the purposes of this Rule, i) “finished wall” shall mean any wall finished to within 450 mm of the floor with drywall, wood panelling, or like material; andii) a controlled outlet […]

Grade Marking (Lumber and Wood Products)

Grade Marking (1) Lumber for joists, rafters, trusses and beams and for the uses listed in Table 9.3.2.1. shall be identified by a grade stamp to indicate its grade as determined by the NLGA, “Standard Grading Rules for Canadian Lumber”. Article 9.3.2.1 Ontario Regulation 332/12 Building Code, Information published by oncodes.ca for educational purposes only.