Hearth Extension (1)  Except as required in Sentence (2), fireplaces shall have a noncombustible hearth extending not less than 400 mm in front of the fireplace opening measured from the facing, and not less than 200 mm beyond each side of the fireplace opening.  (2)  Where the fire chamber floor is elevated more than 150 mm above […]

Heat Circulating Duct Openings (1)  The clearance of combustible material above heat circulating duct openings from those openings shall be not less than,     (a)   300 mm where the combustible material projects not less than 38 mm from the face, and     (b)   150 mm where the projection is less than 38 mm. Article 9.22.9.4 Ontario […]

Height of Chimney Flues For Masonry and Concrete (1)  A chimney flue shall extend not less than,     (a)   900 mm above the highest point at which the chimney comes in contact with the roof, and     (b)   600 mm above the highest roof surface or structure within 3 m of the chimney. Article 9.21.4.4. Ontario […]

Inclined Chimney Flues (1)  Chimney flues shall not be inclined more than 45° to the vertical. Article 9.21.2.3. Ontario Regulation 332/12 Building Code,   Information published by oncodes.ca for educational purposes only.

Installation Fireplace Inserts and Hearth-Mounted Stoves (1)  The installation of fireplace inserts and hearth mounted stoves vented through the throat of a fireplace shall conform to CSA B365, “Installation Code for Solid-Fuel-Burning Appliances and Equipment”. (2)  Fireplace inserts and hearth mounted stoves vented through the throat of a fireplace described in Sentence (1) may be installed in […]