Abstract
The walls and floors that separate dwellings in apartment buildings and condominiums must serve many functions other than structural support. To select wall or floor assemblies, designers need ready access to collections of test ratings, so this talk begins with a brief overview of some key factors affecting both the fire resistance and sound transmission ratings of wall assemblies and floor/ceiling assemblies with gypsum board surfaces. For successful buildings, however, designers must also appreciate how the overall fire resistance and sound isolation may be compromised by details at junctions and penetrations, and use a system approach that respects the requirements for both sound and fire controls. This presentation will focus on fire stops and fire blocks in the context of Canadian codes and standards, illustrate design options for fire stops at some common junctions and penetrations (mainly in the context of lightweight framed constructions), and provide guidance on corresponding acoustical issues.
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