ISO 10140-2:2021
Acoustics — Laboratory measurement of sound insulation of building elements — Part 2: Measurement of airborne sound insulation
This document specifies a laboratory method for measuring the airborne sound insulation of building products, such as walls, floors, doors, windows, shutters, façade elements, façades, glazing, small technical elements, for instance transfer air devices, airing panels (ventilation panels), outdoor air intakes, electrical raceways, transit sealing systems and combinations, for example walls or floors with linings, suspended ceilings or floating floors.
The test results can be used to compare the sound insulation properties of building elements, classify elements according to their sound insulation capabilities, help design building products which require certain acoustic properties and estimate the in situ performance in complete buildings.
The measurements are performed in laboratory test facilities in which sound transmission via flanking paths is suppressed. The results of measurements made in accordance with this document are not applicable directly to the field situation without accounting for other factors affecting sound insulation, such as flanking transmission, boundary conditions and total loss factor.
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Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Facilities and equipment
5 Test procedure and evaluation
5.1 General procedure
5.2 Sound field in the source room
5.3 Data processing
5.4 Expression of results
6 Test arrangement
6.1 General
6.2 Full-size test opening
6.3 Reduced-size test opening
6.4 Reduced-size test elements
6.5 Small technical elements
7 Limits of performance
7.1 Full-size openings
7.2 Reduced-size openings
8 Measurement uncertainty
9 Test report
Annex A (normative) Measurement of sound transmission through the filler wall and any flanking construction for small-sized or reduced-size test openings
Annex B (informative) Form for the expression of results
Bibliography
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Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Facilities and equipment
5 Test procedure and evaluation
5.1 General procedure
5.2 Sound field in the source room
5.3 Data processing
5.4 Expression of results
6 Test arrangement
6.1 General
6.2 Full-size test opening
6.3 Reduced-size test opening
6.4 Reduced-size test elements
6.5 Small technical elements
7 Limits of performance
7.1 Full-size openings
7.2 Reduced-size openings
8 Measurement uncertainty
9 Test report
Annex A (normative) Measurement of sound transmission through the filler wall and any flanking construction for small-sized or reduced-size test openings
Annex B (informative) Form for the expression of results
Bibliography