Flanking transmission caused by fire stops in wood frame constructions


  • T.R.T. Nightingale Acoustics Lab., Inst. for Res. in Construction, Nat. Research Council Canada, Ottawa, Ont., Canada


architectural acoustics, structural acoustics, wood, multi-family dwellings, nominal party wall, fire rated assemblies, fire stop, net sound isolation, double leaf construction, continued room surfaces


In multi-family dwellings, the nominal party wall or floor between units is both fire and sound rated. At the joint between two fire rated assemblies, there must exist a fire stop to control smoke and flame spread in the event of a fire. Typically, the fire stop provides a physical connection between building elements thereby causing a flanking path. The degradation of the net sound isolation of a double leaf construction is examined for two types of fire stop materials listed in the National Building Code of Canada (NBCC). Fire stops formed from continued room surfaces are examined. A section through the specimen without any fire stopping is shown




How to Cite

Nightingale T. Flanking transmission caused by fire stops in wood frame constructions. Canadian Acoustics [Internet]. 1994 Sep. 1 [cited 2021 Dec. 4];22(3):27-8. Available from: https://jcaa.caa-aca.ca/index.php/jcaa/article/view/833



Proceedings of the Acoustics Week in Canada

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