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ISO/CD 140-4:1978

Acoustics - Measurement of sound insulation in buildings and of building elements - Part 4 : Field measurements of airborne sound insulation between rooms ISO/CD 140-4:1978

General information

40.20 DIS ballot initiated: 12 weeks   Dec 15, 1988

CEN

CEN/TC 126 Acoustic properties of building elements and of buildings

European Norm

Scope

The prestandard specifies field methods for measuring the airborne sound insulation properties of interior walls, floors and doors between two rooms under diffuse sound field conditions in both rooms and for determining the protection afforded to the occupants of the building

Life cycle

NOW

IN_DEVELOPMENT
ISO/CD 140-4:1978
40.20 DIS ballot initiated: 12 weeks
Dec 15, 1988