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Serviceability of Next-Generation Wood Buildings: Sound Insulation Performance of Wood Buildings

https://research.thinkwood.com/en/permalink/catalogue402
Year of Publication
2014
Topic
Acoustics and Vibration
Serviceability
Material
CLT (Cross-Laminated Timber)
Glulam (Glue-Laminated Timber)
Timber-Concrete Composite
Light Frame (Lumber+Panels)
Application
Wood Building Systems
Floors
Walls
Author
Hu, Lin
Organization
FPInnovations
Year of Publication
2014
Country of Publication
Canada
Format
Report
Material
CLT (Cross-Laminated Timber)
Glulam (Glue-Laminated Timber)
Timber-Concrete Composite
Light Frame (Lumber+Panels)
Application
Wood Building Systems
Floors
Walls
Topic
Acoustics and Vibration
Serviceability
Keywords
Apparent Sound Insulation Class
Field Sound Insulation Class
Apparently Sound Transmission Class
Field Sound Transmission Class
Language
English
Research Status
Complete
Summary
This report documents apparent/field impact insulation class (AIIC/FIIC) ratings and apparent/field sound transmission class (ASTC/FSTC) ratings for a large number of light-frame wood-joisted floors, cross-laminated timber floors (CLT), massive glulam floors, and a wood-concrete composite floor. The report includes various construction details involving finishings, membranes under finishings, toppings, underlayment materials for toppings, and drywall ceilings. This report also documents ASTC/FSTC ratings for some light-frame wood stud walls and CLT walls. The informal subjective evaluation of field floors and walls by FPInnovations staff, and by occupants, revealed that, if a FSTC or FIIC rating is below 45, occupants could clearly hear sound generated by their neighbor’s normal activities. If a FSTC or FIIC rating is above 50, occupants could still hear "muffled" sound generated by their neighbor’s normal activities, but do not hear it as clearly. If a FSTC or FIIC rating is above 60, occupants could not hear any sound generated by their neighbor’s activities, except when there is a lightweight floor with a carpet. In that case, low frequency footsteps could be heard even if the FIIC was above 60.
Online Access
Free
Resource Link
Less detail