Construction codes of Ontario

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

Flat Plug Power Bar with USB C, 5FT Ultra-Thin Extension Cord, 3 Outlet with 4 USB Ports (2 USB C) Desktop Charging Station, ...

$21.99

Oval Chimney Flues

Oval Chimney Flues (1) The width of an oval chimney flue shall be not less than two-thirds its breadth. Article 9.21.2.6 Ontario Regulation 332/12 Building Code, Information published by oncodes.ca for educational purposes only.

Required Damper and Size

Required Damper and Size (1) The throat of every fireplace shall be equipped with a metal damper sufficiently large to cover the full area of the throat opening. Article 9.22.6.1 Ontario Regulation 332/12 Building Code, O. Reg. 332/12: BUILDING CODE (ontario.ca) © Queen’s Printer for Ontario, 2021

Required Sealants

Required Sealants (1) Sealant shall be provided where required to prevent the entry of water into the structure. (2) Sealant shall be provided between masonry, siding or stucco and the adjacent door and window frames or trim, including sills unless such locations are completely protected from the entry of rain. (3) Sealant shall be provided at vertical […]

Residential Fire Warning Systems

(1) Except where a fire alarm system is installed or required in a building, smoke detectors forming part of a residential fire warning system installed in conformance with CAN/ULC-S540, “Residential Fire and Life Safety Warning Systems: Installation, Inspection, Testing and Maintenance”, are permitted to be installed in lieu of all smoke alarms required by Article 3.2.4.22., […]

Roof Sheating Detail at a Valley and at a Chimney Opening

Roof Sheating Detail at a Valley and at a Chimney Opening Where openings occur in the roof structure for interior chimneys, the roof sheathing and framing members should have a clearance of 50 mm (2 in.) on all sides from the finished masonry, or metal chimney for fire safety (Figure 99). This clearance may be […]

Sealing of Spaces

Sealing of Spaces (1) All spaces between masonry or concrete chimneys and combustible material shall be sealed top or bottom with noncombustible material. Article 9.21.5.2 Ontario Regulation 332/12 Building Code, Information published by oncodes.ca for educational purposes only.

Separation of Flue Liners

(1) Flue liners in the same chimney shall be separated by not less than 70 mm of masonry or concrete exclusive of liners where clay liners are used, or 90 mm of firebrick where firebrick liners are used. (2) Flue liners referred to in Sentence (1) shall be installed to prevent significant lateral movement. Article 9.21.4.9. Ontario […]