The Ontario Building Code | Required Protection from Noise

5.9.1.2. Required Protection from Noise

(1) Except as provided in Sentence (2), a dwelling unit shall be separated from every other space in a building in which noise may be generated by construction providing a sound transmission class rating not less than 50, measured in accordance with the standards referenced in Sentence 5.9.1.1.(1).

(2) Construction separating a dwelling unit from an elevator hoistway or a refuse chute shall have a sound transmission class rating not less than 55, measured in accordance with the standards referenced in Sentence 5.9.1.1.(1).

Section 5.10. Standards

5.10.1. Applicable Standards