Direct impact sound insulation of cross laminate timber floors with and without toppings

From National Research Council Canada

Alternative titleDirectimpactsound insulation of cross laminate timber floors with and without toppings
Linkhttp://www.acoustics.asn.au/conference_proceedings/INTERNOISE2014/papers/p884.pdf
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Name affiliation
  1. National Research Council of Canada. Construction
FormatText, Article
ConferenceInter-Noise 2014: 43rd International Congress on Noise Control Engineering: Improving the World Through Noise Control, Nov. 16-19, 2014, Melbourne, Australia
SubjectImpact Sound; Insulation; CLT; reference curve
Abstract
Cross Laminated Timber (CLT), which is well suited for construction of tall buildings, is becoming a more popular construction material in North America. However, to ensure comfortable living conditions, sound insulation measures are necessary. The study presented here compares results of direct impact sound insulation of 5- and 7-ply CLT floors covered with different a concrete toppings on various interlayers. Improvements of up to 21dB in Weighted Normalized Impact Sound Pressure Level (Ln,w) were observed using a newly proposed reference floor for CLTs. Furthermore, the improvements of floor coverings on CLT floors are compared to those achieved on other types of construction, such as the reference concrete floor. The improvements of Ln,w tend to be higher on the concrete floors than on the CLT floors tested. These and other findings will be presented.
Publication date
In
  • International Congress on Noise Control Engineering: Improving the World Through Noise Control: 1–6.
LanguageEnglish
Peer reviewedYes
NPARC number21275935
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Record identifier90cfede6-5413-4e57-921b-1ae79e6d5a66
Record created2015-08-11
Record modified2020-04-22
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