Effects of Finishing Materials in Wall and Ceiling on Floor Impact Sound
This study investigated the effects of finishing materials in wall and ceiling on floor impact sound. Floor impact sound measurements using heavy and light wight impact source were conducted in a test-building with and without several finishing materials in wall and ceiling. The gypsum
boards bonded by glue, resilient channel, damping sheet or steel plate were installed in the wall. In the ceiling, perforated gypsum boards with and without sound absorption sheet were suspended by steel hangers. Results showed that the gypsum board bonded by resilient channel reduced by 4~5
dB in single number quantity for heavy-weight and 4~6dB for light-weight floor impact sound. The suspended ceiling with the perforated gypsum boards and sound absorption sheet resulted in decrease by 1~4dB in single number quantity for heavy-weight and by 7dB for light-weight floor impact
sound.
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Document Type: Research Article
Publication date: 21 August 2016
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