Construction codes of Ontario

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Tile Application

Tile Application (1) Ceramic tile shall be set in a mortar base or applied with an adhesive. (2) Plastic tile shall be applied with an adhesive. Article 9.29.10.1. Ontario Regulation 332/12 Building Code, Information published by oncodes.ca for educational purposes only

Top Plates

Top Plates (1) Except as permitted in Sentences (2) to (4), no fewer than two top plates shall be provided in loadbearing walls. (2) A single top plate is permitted to be used in a section of a loadbearing wall containing a lintel provided the top plate forms a tie across the lintel. (3) A single […]

Total Ventilation Capacity

(1) The minimum total ventilation capacity of the ventilation system required in Clause 9.32.3.2.(1)(b) shall be the sum of the individual room capacities given in Table 9.32.3.3. Table 9.32.3.3.Ventilation Capacity Forming Part of Sentence 9.32.3.3.(1) Notes to Table 9.32.3.3.: (1) At least one bedroom in each dwelling unit shall be designated as the master bedroom. (2) Ventilation capacities […]

Traps

Traps (1) Except as provided for in Sentence (2), every trap shall, (a) have a trap seal depth of at least 38 mm, (b) be so designed that failure of the seal walls will cause exterior leakage, and (c) have a water seal that does not depend on the action of moving parts. […]

Vapour Barrier Materials

Vapour Barrier Materials (1) Vapour barriers shall have a permeance not greater than 60 ng/(Pa∙s∙m2), measured in accordance with ASTM E96 / E96M, “Water Vapor Transmission of Materials”, using the desiccant method (dry cup). (2) Where the intended use of the interior space will result in high moisture generation, the assembly shall be designed according to […]

Vapour Diffusion Control

Vapour Diffusion Control Water vapour can migrate through building envelope assemblies by penetrating through materials by ‘diffusion’. Many activities such as cooking, dishwashing, laundering and bathing release considerable amounts of water vapour into the air and increase its humidity. As water vapour diffuses through assemblies, it can condense on cold surfaces such as the inside […]

Vertical Clearances above Cooktops

Vertical Clearances above Cooktops (1) Except as provided in Sentence (2), framing, finishes and cabinetry installed directly above the location of the cooktop shall be not less than 750 mm above the level of cooktop burners or elements. (2) The vertical clearance described in Sentence (1) for framing, finishes and cabinets located directly above the location of […]