Chases and Recesses Maximum Dimensions
(1) Except as provided in Sentence 9.20.7.2.(2) and Article 9.20.7.4., the depth of any chase or recess shall not exceed one-third the thickness of the wall, and the width of the chase or recess shall not exceed 500 mm.
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Article 9.20.7.1 Ontario Regulation 332/12 Building Code, Information published by oncodes.ca for educational purposes only.
