00000nam 2200000zi 4500 9.951142 CaOODSP 20250515132237 m o d f cr |n||||||||| 250515e19900710onca o f000 0 eng d CaOODSP eng rda CaOODSP NH17-381/1990E-PDF Bradley, C. William, author. Sound performance of wood floor/ceiling assemblies (stage II) / by C. William Bradley. Ottawa : Canada Mortgage and Housing Corporation, July 10, 1990. 1 online resource (45, 54 pages) : illustrations text txt rdacontent computer c rdamedia online resource cr rdacarrier Digitized edition from print [produced by Canada Mortgage and Housing Corporation]. "Report no. 89-114". In 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. Wooden ceilings Acoustic properties Canada. Floors, Wooden Acoustic properties. Acoustical materials Testing. Dwellings Soundproofing. Plafonds en bois Propriétés acoustiques Canada. Planchers en bois Propriétés acoustiques. Habitations Isolation acoustique. Canada Mortgage and Housing Corporation, issuing body. PDF 1455 KB https://publications.gc.ca/collections/collection_2025/schl-cmhc/NH17-381-1990-eng.pdf