Construction codes of Ontario

→ View our videos on Tiktok ↓ Code related products on Amazon

Govee RGBIC Smart Corner Floor Lamp, Standing Lamp Alexa APP Control, Smart Floor Lamp with Reactive Music Mode, 61+ Dynamic ...

$84.99

Thickness of Interior Walls

Thickness of Interior Walls (1) The thickness of loadbearing interior walls shall be determined on the basis of the maximum lateral support spacing as provided in Sentences 9.20.10.1.(2) and (3). (2) The thickness of interior non-loadbearing walls shall be, (a) determined on the basis of the maximum lateral support spacing as provided in Sentences 9.20.10.1.(2) […]

Top Plates

Top Plates (1) Top plates in walls shall not be notched, drilled or otherwise weakened to reduce the undamaged width to less than 50 mm unless the weakened plates are suitably reinforced. Article 9.23.5.4. 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 […]

Topping Course

(1) Where a topping course is provided for a concrete floor slab, it shall consist of 1 part cement to 2.5 parts clean, well graded sand by volume, with a water/cement ratio approximately equal to that of the base slab. Article 9.16.4.2. Ontario Regulation 332/12 Building Code, Information published by oncodes.ca for educational purposes only.

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 […]

Treads

(1) Stair Treads of lumber, plywood or O-2 grade OSB within dwelling units shall be not less than 25 mm actual thickness, except that if open risers are used and the distance between stringers exceeds 750 mm, the treads shall be not less than 38 mm actual thickness. (2) Stair treads of plywood or OSB, that are […]

Treads and Risers

Treads and Risers (1) Except as permitted for dwelling units and by Sentence 3.4.7.5.(1) for fire escapes, steps in flights shall have a run of not less than 280mm and not more than 355 mm between successive steps. (2) Steps referred to in Sentence (1) shall have a rise between successive treads not less than 125 […]