BS EN 20140-9:1994
Withdrawn
Date published:
Acoustics. Measurement of sound insulation in buildings and of building elements, Laboratory measurement of room-to-room airborne sound insulation of a suspended ceiling with a plenum above it
A method using a plenum of defined height mounted above an acoustical barrier which separates two rooms of a specified test facility.
Related Information
91.120.20 Acoustics in building. Sound insulation
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