BS EN 20140-9:1994:1987 Edition
$102.76
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
Published By | Publication Date | Number of Pages |
BSI | 1987 | 16 |
A method using a plenum of defined height mounted above an acoustical barrier which separates two rooms of a specified test facility.