SIST EN ISO 10140-2:2010

SLOVENSKI STANDARD
oSIST prEN ISO 10140-2:2009
01-januar-2009
$NXVWLND/DERUDWRULMVNRPHUMHQMH]YRþQHL]ROLUQRVWLJUDGEHQLKHOHPHQWRYGHO
0HUMHQMHL]ROLUQRVWLSUHG]YRNRPY]UDNX,62',6
Acoustics - Laboratory measurement of sound insulation of building elements - Part 2:
Measurement of airborne sound insulation (ISO/DIS 10140-2:2008)
Akustik - Messung der Schalldämmung von Gebäudeteilen im Prüfstand - Teil 2:
Messung der Luftschalldämmung (ISO/DIS 10140-2:2008)
Acoustique - Détermination de l'isolation acoustique des éléments de construction -
Partie 2: Mesurage de l'isolation des bruits aériens (ISO/DIS 10140-2:2008)
Ta slovenski standard je istoveten z: prEN ISO 10140-2
ICS:
91.120.20 $NXVWLNDYVWDYEDK=YRþQD Acoustics in building. Sound
L]RODFLMD insulation
oSIST prEN ISO 10140-2:2009 en
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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oSIST prEN ISO 10140-2:2009

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oSIST prEN ISO 10140-2:2009
EUROPEAN STANDARD
DRAFT
prEN ISO 10140-2
NORME EUROPÉENNE
EUROPÄISCHE NORM
October 2008
ICS 91.120.20 Will supersede EN 20140-2:1993
English Version
Acoustics - Laboratory measurement of sound insulation of
building elements - Part 2: Measurement of airborne sound
insulation (ISO/DIS 10140-2:2008)
Acoustique - Détermination de l'isolation acoustique des Akustik - Messung der Schalldämmung von Gebäudeteilen
éléments de construction - Partie 2: Mesurage de l'isolation im Prüfstand - Teil 2: Messung der Luftschalldämmung
des bruits aériens (ISO/DIS 10140-2:2008) (ISO/DIS 10140-2:2008)
This draft European Standard is submitted to CEN members for parallel enquiry. It has been drawn up by the Technical Committee
CEN/TC 126.
If this draft becomes a European Standard, CEN members are bound to comply with the CEN/CENELEC Internal Regulations which
stipulate the conditions for giving this European Standard the status of a national standard without any alteration.
This draft European Standard was established by CEN in three official versions (English, French, German). A version in any other language
made by translation under the responsibility of a CEN member into its own language and notified to the CEN Management Centre has the
same status as the official versions.
CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Cyprus, Czech Republic, Denmark, Estonia, Finland,
France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal,
Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom.
Recipients of this draft are invited to submit, with their comments, notification of any relevant patent rights of which they are aware and to
provide supporting documentation.
Warning : This document is not a European Standard. It is distributed for review and comments. It is subject to change without notice and
shall not be referred to as a European Standard.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION
EUROPÄISCHES KOMITEE FÜR NORMUNG
Management Centre: rue de Stassart, 36  B-1050 Brussels
© 2008 CEN All rights of exploitation in any form and by any means reserved Ref. No. prEN ISO 10140-2:2008: E
worldwide for CEN national Members.

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oSIST prEN ISO 10140-2:2009
prEN ISO 10140-2:2008 (E)
Contents Page
Foreword.3

2

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oSIST prEN ISO 10140-2:2009
prEN ISO 10140-2:2008 (E)
Foreword
This document (prEN ISO 10140-2:2008) has been prepared by Technical Committee ISO/TC 43 "Acoustics"
in collaboration with Technical Committee CEN/TC 126 “Acoustic properties of building elements and of
buildings” the secretariat of which is held by AFNOR.
This document is currently submitted to the parallel Enquiry.
This document will supersede EN 20140-2:1993.
Endorsement notice
The text of ISO/DIS 10140-2:2008 has been approved by CEN as a prEN ISO 10140-2:2008 without any
modification.

3

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oSIST prEN ISO 10140-2:2009

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oSIST prEN ISO 10140-2:2009
DRAFT INTERNATIONAL STANDARD ISO/DIS 10140-2
ISO/TC 43/SC 2 Secretariat: DIN
Voting begins on: Voting terminates on:
2008-10-09 2009-03-09
INTERNATIONAL ORGANIZATION FOR STANDARDIZATION • МЕЖДУНАРОДНАЯ ОРГАНИЗАЦИЯ ПО СТАНДАРТИЗАЦИИ • ORGANISATION INTERNATIONALE DE NORMALISATION
Acoustics — Laboratory measurement of sound insulation of
building elements —
Part 2:
Measurement of airborne sound insulation
Acoustique — Détermination de l'isolation acoustique des éléments de construction —
Partie 2: Mesurage de l'isolation des bruits aériens
(Revision of ISO 140-1:1997 and ISO 140-1:1997/Amd 1:2004, ISO 140-10:1991, ISO 140-3:1995 and
ISO 140-3:1995/Amd 1:2004, ISO 140-6:1998 and ISO 140-8:1997)
ICS 91.120.20

ISO/CEN PARALLEL ENQUIRY
The CEN Secretary-General has advised the ISO Secretary-General that this ISO/DIS covers a subject
of interest to European standardization. In accordance with the ISO-lead mode of collaboration as
defined in the Vienna Agreement, consultation on this ISO/DIS has the same effect for CEN
members as would a CEN enquiry on a draft European Standard. Should this draft be accepted, a
final draft, established on the basis of comments received, will be submitted to a parallel two-month FDIS
vote in ISO and formal vote in CEN.
In accordance with the provisions of Council Resolution 15/1993 this document is circulated in
the English language only.
Conformément aux dispositions de la Résolution du Conseil 15/1993, ce document est distribué
en version anglaise seulement.
To expedite distribution, this document is circulated as received from the committee secretariat.
ISO Central Secretariat work of editing and text composition will be undertaken at publication
stage.
Pour accélérer la distribution, le présent document est distribué tel qu'il est parvenu du
secrétariat du comité. Le travail de rédaction et de composition de texte sera effectué au
Secrétariat central de l'ISO au stade de publication.
THIS DOCUMENT IS A DRAFT CIRCULATED FOR COMMENT AND APPROVAL. IT IS THEREFORE SUBJECT TO CHANGE AND MAY NOT BE
REFERRED TO AS AN INTERNATIONAL STANDARD UNTIL PUBLISHED AS SUCH.
IN ADDITION TO THEIR EVALUATION AS BEING ACCEPTABLE FOR INDUSTRIAL, TECHNOLOGICAL, COMMERCIAL AND USER PURPOSES, DRAFT
INTERNATIONAL STANDARDS MAY ON OCCASION HAVE TO BE CONSIDERED IN THE LIGHT OF THEIR POTENTIAL TO BECOME STANDARDS TO
WHICH REFERENCE MAY BE MADE IN NATIONAL REGULATIONS.
RECIPIENTS OF THIS DRAFT ARE INVITED TO SUBMIT, WITH THEIR COMMENTS, NOTIFICATION OF ANY RELEVANT PATENT RIGHTS OF WHICH
THEY ARE AWARE AND TO PROVIDE SUPPORTING DOCUMENTATION.
©
International Organization for Standardization, 2008

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oSIST prEN ISO 10140-2:2009
ISO/DIS 10140-2
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©
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oSIST prEN ISO 10140-2:2009
ISO/DIS 10140-2
Contents Page
Foreword .iv
Introduction.v
1 Scope.1
2 Normative references.1
3 Terms and definitions .1
4 Facilities and equipment.3
5 Test procedure and evaluation .3
6 Test arrangement .5
7 Limits of performance.7
8 Precision .8
9 Test report.8
Annex A (normative) Measurement of sound transmission through the filler wall and any
flanking construction for small or reduced size test openings.9
Annex B (informative) Form for the expression of results .12
Bibliography.14

© ISO 2008 – All rights reserved iii

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oSIST prEN ISO 10140-2:2009
ISO/DIS 10140-2
Foreword
ISO (the International Organization for Standardization) is a worldwide federation of national standards bodies
(ISO member bodies). The work of preparing International Standards is normally carried out through ISO
technical committees. Each member body interested in a subject for which a technical committee has been
established has the right to be represented on that committee. International organizations, governmental and
non-governmental, in liaison with ISO, also take part in the work. ISO collaborates closely with the
International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization.
International Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Part 2.
The main task of technical committees is to prepare International Standards. Draft International Standards
adopted by the technical committees are circulated to the member bodies for voting. Publication as an
International Standard requires approval by at least 75 % of the member bodies casting a vote.
Attention is drawn to the possibility that some of the elements of this document may be the subject of patent
rights. ISO shall not be held responsible for identifying any or all such patent rights.
ISO 10140-2 was prepared by Technical Committee ISO/TC 43, Acoustics, Subcommittee SC 2, Building
Acoustics.
ISO 10140 consists of the following parts, under the general title Acoustics — Laboratory measurement of
sound insulation of building elements:
⎯ Part 1: Test codes
⎯ Part 2: Measurement of airborne sound insulation
⎯ Part 3: Measurement of Impact sound insulation
⎯ Part 4: Measurement procedures and requirements
⎯ Part 5: Requirements for test facilities and equipement
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oSIST prEN ISO 10140-2:2009
ISO/DIS 10140-2
Introduction
ISO 140 is one of the basic series of standards in building acoustics. It currently has several parts describing
laboratory measurements, mounting conditions of test elements in the laboratory, and field measurements. To
improve the layout of Standards for laboratory measurements, to ensure consistency, and to simplify future
changes and additions, ISO/TC 43/SC 2 have created a new series of Standards, ISO 10140. The parts of
ISO 140 that are concerned with laboratory measurement of the acoustic performance of products (ISO 140-1,
-3, -6, -8, -10, -11 and -16) have been re-written and re-arranged with minimal alteration to the contents. The
new Standard, ISO 10140, consists of the parts stated in the Foreword.
ISO 10140-1 describes the test codes for elements and products, including specific requirements for
preparation, mounting, operating and test conditions for elements and products. In the future, Part 1 will be
updated in cooperation with the relevant product Technical Committees. ISO 10140-2 and ISO 10140-3
contain the general procedures for airborne and impact sound insulation measurements respectively and refer
to ISO 10104-4 and ISO 10140-5 where appropriate. For elements and products without a specific test code
described in ISO 10140-1 it is still possible to apply ISO 10140-2 and ISO 10140-3. ISO 10140-4 contains the
basic measurement techniques and processes. ISO 10140-5 contains the requirements on test facilities and
equipment.
In the future it will be possible to insert other measurement techniques and standards into this series, for
example, sound insulation measurement using intensity techniques (ISO 15186) and rainfall noise
measurement (ISO 140-18).
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oSIST prEN ISO 10140-2:2009
ISO/DIS 10140-2

Structure and contents of the new ISO 10140 series:
“Acoustics – Laboratory measurement of sound insulation of building elements”
ISO number Main purpose, contents & use Detailed contents
& subtitle
ISO 10140-1 Indicates the appropriate test procedure for elements and Appropriate references to parts 2 and 3 and product related,
Test codes products. For some types of elements / products, the specific and additional instructions on:
standard may contain additional and more specific - specific quantities to be measured
instructions about quantities and test element size and about - size of test element
preparation, mounting and operating conditions. Where no
- boundary and mounting conditions
specific details are included, the general guidelines in parts - conditioning, testing and operating conditions
2 and 3 shall be followed. - additional specifics for test report
ISO 10140-2 Complete procedure for airborne sound insulation - Definitions of main quantities to be measured
Measurement of measurements, referring to parts 4 and 5. It shall be - General mounting & boundary conditions
airborne sound sufficiently complete and general to perform measurements - General measurement procedure
insulation for products without a specific test code, but specifics in part - Data processing
1 shall be applied, if available. - Test report (general points)
ISO 10140-3 Complete procedure for impact sound insulation - Definitions of main quantities to be measured
Measurement of measurements, referring to parts 4 and 5. It shall be - General mounting & boundary conditions
impact sound sufficiently complete and general to perform measurements - General measurement procedure
insulation for products without a specific test code, but specifics in - Data processing
part 1 shall be applied, if available. - Test report (general points)
ISO 10140-4 All needed basic measurement techniques and processes, - Definitions
Measurement for measurements following parts 2 and 3 or facility - Frequency range
procedures and qualifications following part 5. Much of the contents - Microphone positions
requirements implemented in software. - SPL measurements
- Averaging, space and time
- Correction for background noise
- Reverberation time measurements
- Loss factor measurements
- Low frequency measurements
- radiated sound power by velocity measurement
ISO 10140-5 All information needed to design, construct and qualify the Test facilities, design criteria:
Requirements for laboratory facility, its additional accessories and - volumes, dimensions
test facilities and measurement equipment (hardware). - flanking transmission
equipment - laboratory loss factor
- maximum achievable sound reduction index
- reverberation time
- influence of lack of diffusivity in the lab

Test openings:
- standard openings for walls, floors
- other openings (windows, doors, small technical elements)
- filler walls in general

Requirements for equipment:
- loudspeakers, number, positions
- tapping machine and other impact sources
- measurement equipment

Reference constructions:
- basic elements for airborne and impact insulation
improvement
- corresponding reference performance curves

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oSIST prEN ISO 10140-2:2009
DRAFT INTERNATIONAL STANDARD ISO/DIS 10140-2

1 Scope
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,
such as transfer air devices, airing panels (ventilation panels), outdoor air intakes, electrical raceways, transit
sealing systems, and combinations such as 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, to classify
elements according to their sound insulation capabilities, to help design building products which require
certain acoustic properties, and to 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 shall not be applied
directly to the field situation without accounting for other factors affecting sound insulation such as flanking
transmission, boundary conditions, and total loss factor.
2 Normative references
The following referenced documents are indispensable for the application of this document. For dated
references, only the edition cited applies. For undated references, the latest edition of the referenced
document (including any amendments) applies.
ISO/DIS 10140-1, Acoustics – Laboratory measurement of sound insulation of building elements — Part 1:
Test codes
ISO/DIS 10140-4:2008, Acoustics – Laboratory measurement of sound insulation of building elements —
Part 4: Measurement procedures and requirements
ISO/DIS 10140-5:2008, Acoustics - Laboratory measurement of sound insulation of building elements —
Part 5: Requirements for test facilities
ISO 140-2, Acoustics — Measurement of sound insulation in buildings and of building elements — Part 2:
Determination, verification and application of precision data
ISO 717-1, Acoustics — Rating of sound insulation in buildings and of building elements — Part 1: Airborne
sound insulation
3 Terms and definitions
For the purposes of this document, the following definitions apply.
3.1
sound reduction index
R
ten times the common logarithm of the ratio of the sound power, W , which is incident on the test element to
1
the sound power, W , radiated by the test element
2
W
1
R= 10 lg  (1)
W
2
NOTE 1 R is expressed in decibels.
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oSIST prEN ISO 10140-2:2009
ISO/DIS 10140-2
For laboratory measurements using sound pressure, the sound reduction index is calculated using:
S
R= L − L +10lg  (2)
1 2
A
where
L is the energy average sound pressure level in the source room, in decibels;
1
L is the energy average sound pressure level in the receiving room, in decibels;
2
S is the area of the free test opening in which the test element is installed, in square metres;
A is the equivalent sound absorption area in the receiving room, in square metres;
NOTE 2 The derivation of equation (2) from equation (1) assumes that the sound fields are diffuse and that the only
sound radiated into the receiving room is from the test element.
NOTE 3 The expression "sound transmission loss" (TL) is also in use in English-speaking countries. It is equivalent to
"sound reduction index".
NOTE 4 Related quantities may be introduced in other documents or test codes, often by adding subscripts, i.e. R for
I
the sound reduction index as measured by intensity methods, R as the sound reduction index per unit length of slits or ∆R
s
as the improvement in sound reduction index by linings or suspended ceilings.
3.2
apparent sound reduction index
R'
ten times the common logarithm of the ratio of the sound power, W , which is incident on a test element to the
1
total sound power radiated into the receiving room if, in addition to the sound power, W , radiated by the test
2
element, the sound power, W , radiated by flanking elements or by other components, is significant.
3
⎛ W ⎞
1
⎜ ⎟
R'= 10 lg (3)
⎜ ⎟
W + W
2 3
⎝ ⎠
NOTE 1 R' is expressed in decibels.
NOTE 2 In general, the sound power transmitted into the receiving room consists of the sum of several components.
Also in this case, under the assumption that there are diffuse sound fields in the two rooms, the apparent sound reduction
index is evaluated from equation (4).
S
R'= L− L +10lg  (4)
1 2
A
Thus, in the apparent sound reduction index, the sound power transmitted into the receiving room is related to the sound
power which is incident on the test element as in equation (2) irrespective of the actual conditions of transmission.
3.3
element-normalized level difference
D
n,e
The level difference corresponding to a reference value of absorption area in the receiving room with sound
transmission through the small technical element only; this level difference is evaluated from equation (5).
⎛ A ⎞
0
D = L − L +10 lg⎜ ⎟ (5)
n,e 1 2
⎜ ⎟
A
⎝ ⎠
where
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oSIST prEN ISO 10140-2:2009
ISO/DIS 10140-2
L is the energy average sound pressure level in the source room, in decibels;
1
L is the energy average sound pressure level in the receiving room, in decibels;
2
2
A is the reference area, in square metres (for the laboratory, A = 10 m );
0 0
A is the equivalent absorption area in the receiving room, in square metres.
NOTE 1 D is expressed in decibels.
ne
NOTE 2 To achieve a better signal-to-noise ratio, simultaneous measurements can be performed on more than one
element. When performing simultaneous measurements, replace equation (5) by equation (6).
⎛ nA ⎞
0
D = L − L + 10 lg⎜ ⎟  (6)
n,e 1 2
⎜ ⎟
A
⎝ ⎠
where
D is the element-normalized level difference of an individual element;
n,e
n is the number of installed elements
3.4
small technical elements
2
are building elements, excluding windows and doors, with an area of less than 1 m which occur in a certain
number of discrete sizes which transmit sound between two adjacent rooms, or between one room and the
free-field independently of any adjoining building elements.
4 Facilities and equipment
Laboratory test facilities shall comply with the requirements given in ISO/DIS 10140-5:2008.
The equipment to generate the sound field shall meet the requirements given in ISO/DIS 10140-5:2008.
Requirements for equipment to measure the sound level, and for calibration of that equipment, are given in
ISO/DIS 10140-5:2008.
5 Test procedure and evaluation
5.1 General procedure
Two horizontally or vertically adjacent rooms are used, one being designated the source room and the other
the receiving room. The test element is mounted in an opening in the partition between those rooms; see
Clause 6. In the source room, a diffuse sound field is generated by a moving loudspeaker or a loudspeaker at
two or more fixed positions. The average sound pressure levels are measured in the source and receiving
room, normally in the frequency range from 100 Hz to 5 000 Hz (optionally down to 50 Hz). The equivalent
sound absorption area in the receiving room is calculated from reverberation time measurements. From the
sound pressure level difference between the rooms the quantities described in Clause 3 can be evaluated
taking into account the equivalent absorption area and, where appropriate, the size or number of test
elements. The procedures to determine the average sound pressure levels corrected for background noise
and the reverberation time are specified in ISO/DIS 10140-4:2008.
The sound fields in the source or receiving room shall not be affected by the presence of people in those
rooms during the tests.
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oSIST prEN ISO 10140-2:2009
ISO/DIS 10140-2
In case of sound insulation improvement systems such as acoustical linings, this procedure is repeated for the
basic element and that element with the lining under test.
5.2 Sound field in the source room
Qualification of the loudspeaker system, the number and positions of loudspeakers and the method of
operating shall be performed in accordance with ISO/DIS 10140-5:2008.
When using a single sound source at two or more positions, they may be in the same room or the
measurements may be repeated in the opposite direction by changing source and receiving room with one or
more source positions in each room. The latter is not possible if the test element has one surface which is
significantly more absorbent than the other; see 5.1.
The microphone positions in the source room shall be outside the direct sound field of the source and the
radiation characteristics of the sources shall be taken into account when determining microphone positions as
specified in ISO/DIS 10140-4:2008.
5.3 Data processing
Calculate the sound reduction index or the element-normalized level difference (as defined in Clause 3) from
the measured (and if necessary, corrected) energy average sound pressure levels in the rooms and the
measured reverberation time as described in ISO/DIS 10140-4:2008.
If sound reduction indices or element-normalized level differences are needed in octave bands, these values
shall be calculated from the three one-third octave band values in each octave band using equation (8) or
equation (9).
−R /10
3
⎛ 1/3oct,n ⎞
10
⎜ ⎟
R =−10lg  (8)
oct ∑
⎜ ⎟
3
n=1
⎝ ⎠

3 −D /10
⎛ ne,1/3oct,n ⎞
10
⎜ ⎟
D =−10lg  (9)
n,e,oct
∑
⎜ ⎟
3
n=1
⎝ ⎠
Perform all calculations with the appropriate accuracy and present the final results with no higher precision
than to the nearest 0,1 dB.
The evaluation of the single number rating from the results in one-third octave bands shall be done in
accordance with ISO 717-1.
5.4 Expression of results
For the statement of the airborne sound insulation of the test element, the measurement results, R or D ,
n,e
shall be given in decibels at all measurement frequencies in one-third octave bands to one decimal place, in
tabular form and in the form of a curve.
Graphs in the test report shall show the value in decibels plotted against frequency on a logarithmic scale; the
following dimensions shall be used:
⎯ 5 mm for a one-third octave band;
⎯ 20 mm for 10 dB.
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oSIST prEN ISO 10140-2:2009
ISO/DIS 10140-2
The use of a form in accordance with Annex B is preferred. Being a short version of the test report, it shall
state all information of importance regarding the test element, the test procedure and the test results.
6 Test arrangement
6.1 General
General requirements for the preparation, curing, installation and mounting of test element will be described in
this section. For specific types of elements and products detailed specifications may be given in dedicated
documents, like test codes (see ISO/DIS 10140-1).
The test element can be of different types:
a) The test element could have dimensions that can be fitted in the available full-size test opening (for
example: brick wall, wooden floor). In this case, refer
...