Specifiers and architects seeking to ensure the mechanical equipment noise does not exceed the ceiling system’s ability to attenuate it can use a straightforward method defined in the Air-Conditioning, Heating, and Refrigeration Institute’s (AHRI)...
Tag: Sound transmission class
Paradigm shift in acoustic regulations
(09/21/2018)
The acoustic requirements in the 2015 National Building Code of Canada (NBC) have changed. As a consequence, designers and architects need to pay more attention to sound transmission via the junctions between floors and...
As we move toward taller timber buildings, fire and acoustics considerations for dwelling units above dwelling units is increasingly important. This article shares the results of National Research Council of Canada testing of various...
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May 2025