Installation of Chimney Liners (1)  Chimney liners shall be installed when the surrounding masonry or concrete is placed. Article 9.21.3.7. Ontario Regulation 332/12 Building Code,   Information published by oncodes.ca for educational purposes only.

Installation of 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 […]

Joints in Chimney Liners (1)  Joints of chimney liners shall be sealed to provide a barrier to the passage of flue gases and condensate into the cavity between the liner and the surrounding masonry. (2)  Joints of clay, concrete or firebrick chimney liners shall be struck flush to provide a straight, smooth, aligned chimney flue. Article 9.21.3.2. […]

Lateral Stability (1)  Except as provided in Sentence (2), chimneys shall be braced in accordance with Subsection 4.3.2. to provide stability under wind loads. (2)  A chimney need not be laterally braced provided,     (a)   no horizontal outside dimension is less than 400 mm, and     (b)   the chimney extends not more than 3.6 m above a […]

Masonry Chimneys A masonry chimney consists of a liner and an outer wall (Figure 145). Masonry chimneys must be built on a concrete footing designed to support the load. The size of the chimney depends on the number, size and arrangement of flues. The outer wall of a masonry chimney must not be less than […]