Effect of electrical outlet boxes on sound isolation of gypsum board walls

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TypeIssue
Series titleConstruction Technology Update; no. 27
ISSN1206-1220
Physical description4 p.
SubjectWalls
AbstractThe placement of electrical outlet boxes made from metal in partition walls that separate units in a multi-family dwelling, can raise concerns regarding sound isolation. Outlet boxes made from plastic have no effect on sound isolation, no matter where in the wall they are placed relative to one another. With metallic electrical outlets, it does matter. In fact, the placement can make a difference of up to 6 STC points. Besides their strategic placement in a wall, it is also possible to treat these outlet boxes with sound-absorbing materials. This can help somewhat. Electrical outlet boxes decrease the fire resistance of partition walls.
Publication date
PublisherInstitute for Research in Construction. National Research Council Canada
LanguageEnglish
AffiliationNRC Institute for Research in Construction; National Research Council Canada
NoteAussi disponible en français : Effet des boîtiers électriques sur l'isolement acoustique des cloisons en plaques de plâtre
Peer reviewedNo
NRC number9702
NPARC number20325127
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Record identifier42394591-4da6-4457-9bca-aa8c4f0c9117
Record created2012-07-18
Record modified2016-05-09
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