Div. B › Part 9 › 9.22 › 9.22.6 — Damper

9.22.6.1 — Required Damper and Size

Copied! ▲ ▼
(1) The throat of every fireplace shall be equipped with a metal damper sufficiently large to cover the full area of the throat opening.
Disclaimer. This site provides general access to Ontario Building Code information for reference only. It is not an official source and may omit or summarize content. Always verify requirements with the current OBC and your Authority Having Jurisdiction (AHJ). The Ontario Building Code is Crown copyright © King’s Printer for Ontario. Terms of Use.