000	00000nam 2200000zi 4500
001	9.951142
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008	250515e19900710onca    o    f000 0 eng d
040	|aCaOODSP|beng|erda|cCaOODSP
086	1 |aNH17-381/1990E-PDF
100	1 |aBradley, C. William, |eauthor.
245	10|aSound performance of wood floor/ceiling assemblies (stage II) / |cby C. William Bradley.
264	1|aOttawa : |bCanada Mortgage and Housing Corporation, |cJuly 10, 1990.
300	|a1 online resource (45, 54 pages) : |billustrations
336	|atext|btxt|2rdacontent
337	|acomputer|bc|2rdamedia
338	|aonline resource|bcr|2rdacarrier
500	|aDigitized edition from print [produced by Canada Mortgage and Housing Corporation].
500	|a"Report no. 89-114".
520	|aIn response to concerns vis-à-vis excessive noise transmission between units in group housing projects CMHC commissioned studies to determine the performance of floor/ceiling assemblies separating superimposed units in wood frame buildings. ... This study focuses on the performance of various floors which have been improved from above by the addition of carpets, concrete, additional plywood, fibre board, etc.
650	0|aWooden ceilings|xAcoustic properties|zCanada.
650	0|aFloors, Wooden|xAcoustic properties.
650	0|aAcoustical materials|xTesting.
650	0|aDwellings|xSoundproofing.
650	6|aPlafonds en bois|xPropriétés acoustiques|zCanada.
650	6|aPlanchers en bois|xPropriétés acoustiques.
650	6|aHabitations|xIsolation acoustique.
710	2 |aCanada Mortgage and Housing Corporation, |eissuing body.
856	40|qPDF|s1455 KB|uhttps://publications.gc.ca/collections/collection_2025/schl-cmhc/NH17-381-1990-eng.pdf