Openings in Non-Loadbearing Walls
(1) Except as provided in Sentence (2), openings in non-loadbearing walls shall be framed with not less than 38 mm material the same width as the studs securely nailed to adjacent studs.
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(2) Openings for doors in non-loadbearing walls required to be fire separations with a fire-resistance rating shall be framed with the equivalent of at least two 38 mm thick members that are the same width as the wall plates.
Article 9.23.12.1. Ontario Regulation 332/12 Building Code, Information published by oncodes.ca for educational purposes only.
