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ISO 140-9:1985

Acoustics — Measurements of sound insulation in buildings and of building elements — Part 9: Laboratory measurement of room-to-room airborne sound insulation of a suspended ceiling with a plenum above it ISO 140-9:1985

Publication date:   Feb 14, 1985

95.99 Withdrawal of Standard   Mar 20, 2006

General information

95.99 Withdrawal of Standard   Mar 20, 2006

ISO

ISO/TC 43/SC 2 Building acoustics

International Standard

91.060.30   Ceilings. Floors. Stairs | 91.120.20   Acoustics in building. Sound insulation

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Scope

Specifies a method for measuring a quantity called the suspended ceiling normalized level difference when the sound transmitted by paths other than the required paths is negligible.

Life cycle

NOW

WITHDRAWN
ISO 140-9:1985
95.99 Withdrawal of Standard
Mar 20, 2006

REVISED BY

WITHDRAWN
ISO 10848-2:2006