Construction codes of Ontario

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Corbelling for Cavity Walls

(1) Cavity walls of greater thickness than the foundation wall on which they rest shall not be corbelled but may project 25 mm over the outer face of the foundation wall disregarding parging. (2) Where the foundation wall referred to in Sentence (1) is unit masonry, it is permitted to be corbelled to meet flush with […]

Corrosion Resistance of Connectors

Corrosion Resistance of Connectors (1) Carbon steel connectors required to be corrosion-resistant shall be galvanized to at least the minimum standards in Table 9.20.16.1. Article 9.20.16.1 Ontario Regulation 332/12 Building Code, O. Reg. 332/12: BUILDING CODE (ontario.ca) © Queen’s Printer for Ontario, 2021.

Cottages Foundations

Cottages Foundations (1) Continuous perimeter foundation walls are not required, but when they are provided, they shall comply with the requirements of this Part. (2) Where unit masonry columns are used, the height of such columns shall not exceed, (a) in the case of hollow masonry units, 4 times the least dimension of the units, […]

Crack Control Joints

(1) Crack control joints shall be provided in foundation walls more than 25 m long at intervals of not more than 15 m. (2) Joints required in Sentence (1) shall be designed to resist moisture penetration and shall be keyed to prevent relative displacement of the wall portions adjacent to the joint. Article 9.15.4.9 Ontario Regulation 332/12 […]

Curing Concrete

Newly placed concrete must be cured for a set period of time to allow the concrete to achieve its potential strength, water tightness and durability, and to minimize cracking. To cure, concrete must be kept damp and within a limited temperature range. Wall forms should be left in place for at least three days to […]

Dampproofing

(1) Except as provided in Sentence (4) and Article 9.13.3.1., where the exterior finished ground level is at a higher elevation than the ground level inside the foundation walls, exterior surfaces of foundation walls below ground level shall be dampproofed. (2) Except as provided in Sentence (3) and Article 9.13.3.1., floors-on-ground shall be dampproofed. (3) Floors […]

Dampproofing Materials

Dampproofing Materials (1) Materials installed to provide required dampproofing shall be, (a) capable of protecting assemblies against moisture transfer from the ground, (b) compatible with adjoining materials, and (c) resistant to mechanisms of deterioration that may reasonably be expected, given the nature, function and exposure of the materials. (2) Except as otherwise specified […]