Factory Built Fireplace Inserts Factory-made fireplace inserts are available that reduce the amount of room air used by the fireplace and achieve better heating performance. To be most effective, the unit should have draft-tight doors and a separate combustion air supply from the outside. Airtight wood stoves are also more efficient than open fireplaces. A […]

Fire Chamber Dimensions (1)  The distance from the back of the fire chamber to the plane of the fireplace opening shall be not less than 300 mm. Article 9.22.4.1 Ontario Regulation 332/12 Building Code,   Information published by oncodes.ca for educational purposes only.

Firebrick Liners (1)  Fireplace liners shall be not less than,     (a)   50 mm thick for the sides and back, and     (b)   25 mm thick for the floor.     (2)  Firebrick liners shall be laid with high temperature cement mortar conforming to CAN/CGSB-10.3, “Air Setting Refractory Mortar”.     (3)  Joints between a firebrick liner and the adjacent […]

Firebrick Liners (1)  Firebrick liners shall conform to ASTM C27, “Fireclay and High Alumina Refractory Brick”. (2)  Firebrick liners shall be laid with high temperature cement mortar conforming to CAN/CGSB-10.3, “Air Setting Refractory Mortar”. Article 9.21.3.4. Ontario Regulation 332/12 Building Code,   Information published by oncodes.ca for educational purposes only.

Fireplace Chimneys Flue Sizes (1)  The size of a chimney flue serving a masonry fireplace shall be within the allowable range specified in Table 9.21.2.5.A. or Table 9.21.2.5.B. Table 9.21.2.5.A.Diameter of Round Flues for Fireplace Chimneys Forming Part of Sentence 9.21.2.5.(1) Table 9.21.2.5.B.Rectangular Flue Sizes for Fireplace Chimneys Forming Part of Sentence 9.21.2.5.(1) Table 9.21.2.5.A) & […]

Fireplace Inserts and Hearth-Mounted Stoves Appliance Standard (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.

Fireplace Thickness of Walls (1)  Except as provided in Sentence (2), the thickness of the back and sides of a fireplace, including the thickness of any firebrick liner, shall be not less than 190 mm where a metal liner or a firebrick liner less than 51 mm thick is used. (2)  When a steel fireplace liner is […]