Construction codes of Ontario

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Air Barrier Details

Air Barrier Details Many places in the building envelope such as rim joists, tops and ends of partition walls, openings, services, vent stacks, chimneys, unusual framing details and electrical, plumbing and mechanical penetrations are prone to air leakage (Figure 6) and must be carefully sealed in a durable manner (that is for the life of […]

Appliance Standard Fireplace Inserts and Hearth-Mounted Stoves

Appliance Standard Fireplace Inserts and Hearth-Mounted Stoves (1) Fireplace inserts and hearth mounted stoves vented through the throat of a fireplace shall conform to ULC-S628, “Fireplace Inserts”. Article 9.22.10.1 Ontario Regulation 332/12 Building Code, Information published by oncodes.ca for educational purposes only.

Base flashing

Base flashing When a roof intersects with a wall or another roof penetration, such as a plumbing vent, the roofing system should be turned up to make the junction watertight. The part of the roofing that is turned up is generally known as a “base flashing.” It may be made of the same material as […]

Brick or Steel Liners

Brick or Steel Liners (1) Except where a fireplace is equipped with a steel liner, every fireplace shall have a firebrick liner. Article 9.22.2.1. Ontario Regulation 332/12 Building Code, Information published by oncodes.ca for educational purposes only.

Chimney Caps

Chimney Caps (1) The top of a chimney shall have a waterproof cap of reinforced concrete, masonry or metal. (2) The cap required in Sentence (1) shall slope from the lining and be provided with a drip not less than 25 mm from the chimney wall. (3) Cast-in-place concrete caps shall be separated from the chimney liner by […]

Chimney Cleanout

Chimney Cleanout (1) Except for a chimney flue constructed to serve a masonry fireplace, a cleanout opening with a metal frame and tight-fitting metal door shall be installed near the base of the chimney flue. Article 9.21.4.7 Ontario Regulation 332/12 Building Code, Information published by oncodes.ca for educational purposes only.

Chimney Flue Limitations

Chimney Flue Limitations (1) A chimney flue that serves a fireplace or incinerator shall not serve any other appliance. (2) A chimney flue that serves a solid fuel-burning appliance shall not be connected to a natural gas- or propane-fired appliance. (3) A chimney flue that serves a solid fuel-burning appliance shall not be connected to an oil-burning appliance […]