kSIST FprEN ISO 10140-1:2021

Acoustics - Laboratory measurement of sound insulation of building elements - Part 1: Application rules for specific products (ISO/FDIS 10140-1:2021)

Akustik - Messung der Schalldämmung von Bauteilen im Prüfstand - Teil 1: Anwendungsregeln für bestimmte Produkte (ISO/FDIS 10140-1:2021)

Dieses Dokument legt Prüfanforderungen an die Prüfstandmessung der Schalldämmung von Bauteilen und Produkten, einschließlich ausführlicher Anforderungen an die Vorbereitung und Befestigung der Prüfbauteile und an die Betriebs- und Prüfbedingungen fest. Darüber hinaus legt es die anwendbaren Größen fest und enthält zusätzliche Prüfinformationen zum Berichtswesen.
Die allgemeinen Vorgehensweisen für die Messung der Luftschall- und der Trittschalldämmung sind in ISO 10140 2 bzw. ISO 10140 3 enthalten.

Acoustique - Mesurage en laboratoire de l'isolation acoustique des éléments de construction - Partie 1: Règles d'application pour produits particuliers (ISO/FDIS 10140-1:2021)

Akustika - Laboratorijsko merjenje zvočne izolirnosti gradbenih elementov - 1. del: Pravila uporabe za določene proizvode (ISO/FDIS 10140-1:2021)

Standards Content (sample)

SLOVENSKI STANDARD
oSIST prEN ISO 10140-1:2020
01-september-2020

Akustika - Laboratorijsko merjenje zvočne izolirnosti gradbenih elementov - 1. del:

Pravila uporabe za določene proizvode (ISO/DIS 10140-1:2020)

Acoustics - Laboratory measurement of sound insulation of building elements - Part 1:

Application rules for specific products (ISO/DIS 10140-1:2020)
Akustik - Messung der Schalldämmung von Bauteilen im Prüfstand - Teil 1:
Anwendungsregeln für bestimmte Produkte (ISO/DIS 10140-1:2020)
Acoustique - Mesurage en laboratoire de l'isolation acoustique des éléments de

construction - Partie 1: Règles d'application pour produits particuliers (ISO/DIS 10140-

1:2020)
Ta slovenski standard je istoveten z: prEN ISO 10140-1
ICS:
17.140.01 Akustična merjenja in Acoustic measurements and
blaženje hrupa na splošno noise abatement in general
91.060.01 Stavbni elementi na splošno Elements of buildings in
general
91.120.20 Akustika v stavbah. Zvočna Acoustics in building. Sound
izolacija insulation
oSIST prEN ISO 10140-1:2020 en,fr,de

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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oSIST prEN ISO 10140-1:2020
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oSIST prEN ISO 10140-1:2020
DRAFT INTERNATIONAL STANDARD
ISO/DIS 10140-1
ISO/TC 43/SC 2 Secretariat: DIN
Voting begins on: Voting terminates on:
2020-06-19 2020-09-11
Acoustics — Laboratory measurement of sound insulation
of building elements —
Part 1:
Application rules for specific products

Acoustique — Mesurage en laboratoire de l'isolation acoustique des éléments de construction —

Partie 1: Règles d'application pour produits particuliers
ICS: 91.120.20
THIS DOCUMENT IS A DRAFT CIRCULATED
This document is circulated as received from the committee secretariat.
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
ISO/CEN PARALLEL PROCESSING
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
Reference number
NATIONAL REGULATIONS.
ISO/DIS 10140-1:2020(E)
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. ISO 2020
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oSIST prEN ISO 10140-1:2020
ISO/DIS 10140-1:2020(E)
COPYRIGHT PROTECTED DOCUMENT
© ISO 2020

All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may

be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting

on the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address

below or ISO’s member body in the country of the requester.
ISO copyright office
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Website: www.iso.org
Published in Switzerland
ii © ISO 2020 – All rights reserved
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oSIST prEN ISO 10140-1:2020
ISO/DIS 10140-1:2020(E)
Contents Page

Foreword ........................................................................................................................................................................................................................................iv

Introduction ..................................................................................................................................................................................................................................v

1 Scope ................................................................................................................................................................................................................................. 1

2 Normative references ...................................................................................................................................................................................... 1

3 General ............................................................................................................................................................................................................................ 1

4 Structure of application rules for specific products ........................................................................................................ 2

Annex A (normative) Walls — Airborne sound insulation ............................................................................................................ 3

Annex B (normative) Doors — Airborne sound insulation .......................................................................................................... 5

Annex C (normative) Windows — Airborne sound insulation .................................................................................................. 6

Annex D (normative) Glazing — Airborne sound insulation ...................................................................................................... 8

Annex E (normative) Small technical elements — Airborne sound insulation.....................................................15

Annex F (normative) Floors — Airborne and impact sound insulation .......................................................................19

Annex G (normative) Acoustical linings — Improvement of airborne sound insulation ...........................20

Annex H (normative) Floor coverings — Improvement of impact sound insulation ......................................22

Annex I (normative) Shutters — Airborne sound insulation ...................................................................................................31

Annex J (normative) Joints filled with fillers or seals — Sound reduction index ...............................................36

Annex K (normative) Roofs, roof/ceiling systems, roof windows/skylights, rooflights —

Rainfall sound ......... ..............................................................................................................................................................................................46

Bibliography .............................................................................................................................................................................................................................51

© ISO 2020 – All rights reserved iii
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oSIST prEN ISO 10140-1:2020
ISO/DIS 10140-1:2020(E)
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.

The procedures used to develop this document and those intended for its further maintenance are

described in the ISO/IEC Directives, Part 1. In particular, the different approval criteria needed for the

different types of ISO documents should be noted. This document was drafted in accordance with the

editorial rules of the ISO/IEC Directives, Part 2 (see www .iso .org/ directives).

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. Details of

any patent rights identified during the development of the document will be in the Introduction and/or

on the ISO list of patent declarations received (see www .iso .org/ patents).

Any trade name used in this document is information given for the convenience of users and does not

constitute an endorsement.

For an explanation of the voluntary nature of standards, the meaning of ISO specific terms and

expressions related to conformity assessment, as well as information about ISO's adherence to the

World Trade Organization (WTO) principles in the Technical Barriers to Trade (TBT), see www .iso .org/

iso/ foreword .html.

This document was prepared by Technical Committee ISO/TC 43, Acoustics, Subcommittee SC 2, Building

acoustics.

This third edition cancels and replaces the second edition (ISO 10140-1:2016), which has been

technically revised.
The main changes compared to the previous edition are as follows:
— normative references updated
— all references updated
— Annex G.5 “Test report” removed
— Subclause G.6.2.2 edited
— Annex K “rooflights” added
A list of all parts in the ISO 10140 series can be found on the ISO website.

Any feedback or questions on this document should be directed to the user’s national standards body. A

complete listing of these bodies can be found at www .iso .org/ members .html.
iv © ISO 2020 – All rights reserved
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oSIST prEN ISO 10140-1:2020
ISO/DIS 10140-1:2020(E)
Introduction

ISO 10140 (all parts) concerns laboratory measurement of the sound insulation of building elements

(see Table 1).

This part of ISO 10140 specifies the application rules for specific elements and products, including

specific requirements for preparation, mounting, operating and test conditions. ISO 10140-2 and

ISO 10140-3 contain the general procedures for airborne and impact sound insulation measurements,

respectively, and refer to ISO 10140-4 and ISO 10140-5 where appropriate. For elements and products

without a specific application rule described in this part of ISO 10140, it is possible to apply ISO 10140-2

and ISO 10140-3. ISO 10140-4 contains basic measurement techniques and processes. ISO 10140-5

contains the requirements for test facilities and equipment. For the structure of ISO 10140 (all parts),

see Table 1.

ISO 10140 (all parts) was created to improve the layout for laboratory measurements, ensure

consistency and simplify future changes and additions regarding mounting conditions of test elements

in laboratory and field measurements. It is intended for ISO 10140 (all parts) to present a well-written

and arranged format for laboratory measurements.

It is intended to update this part of ISO 10140 with application rules for other products.

Table 1 — Structure and contents of ISO 10140 (all parts)
Relevant
part of Main purpose, contents and use Detailed content
ISO 10140

ISO 10140-1 It indicates the appropriate test procedure Appropriate references to ISO 10140-2 and

for elements and products. For certain types ISO 10140-3 and product-related, specific and

of element/product, it can contain additional additional instructions on:
and more specific instructions about
— specific quantities measured;
quantities and test element size and about
preparation, mounting and operating
— size of test element;
conditions. Where no specific details are
— boundary and mounting conditions;
included, the general guidelines according
ISO 10140-2 and ISO 10140-3.
— conditioning, testing and operating
conditions;
— additional specifics for test report.

ISO 10140-2 It gives a complete procedure for airborne — Definitions of main quantities measured

sound insulation measurements
— General mounting and boundary conditions
according to ISO 10140-4 and ISO 10140-5.
For products without specific application — General measurement procedure
rules, it is sufficiently complete and general
— Data processing
for the execution of measurements. However,
for products with specific application rules,
— Test report (general points)
measurements are carried out according to
ISO 10140-1, if available.

ISO 10140-3 It gives a complete procedure for impact — Definitions of main quantities measured

sound insulation measurements accord-
— General mounting and boundary conditions
ing to ISO 10140-4 and ISO 10140-5. For
products without specific application rules,
— General measurement procedure
it is sufficiently complete and general for
— Data processing
the execution of measurements. However,
for products with specific application rules,
— Test report (general points)
measurements are carried out according to
ISO 10140-1, if available.
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oSIST prEN ISO 10140-1:2020
ISO/DIS 10140-1:2020(E)
Table 1 (continued)
Relevant
part of Main purpose, contents and use Detailed content
ISO 10140
ISO 10140-4 It gives all the basic measurement techniques — Definitions
and processes for measurement according to
— Frequency range
ISO 10140-2 and ISO 10140-3 or facility
qualifications according to ISO 10140-5. Much
— Microphone positions
of the content is 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 It specifies all information needed to design, Test facilities, design criteria:

construct and qualify the laboratory facility,
— volumes, dimensions;
its additional accessories and measurement
equipment (hardware).
— flanking transmission;
— laboratory loss factor;
— maximum achievable sound reduction index;
— reverberation time;
— influence of lack of diffusivity in the
laboratory.
Test openings:
— standard openings for walls and 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 10140-1:2020
DRAFT INTERNATIONAL STANDARD ISO/DIS 10140-1:2020(E)
Acoustics — Laboratory measurement of sound insulation
of building elements —
Part 1:
Application rules for specific products
1 Scope

This part of ISO 10140 specifies test requirements for building elements and products, including

detailed requirements for preparation, mounting, operating and test conditions, as well as applicable

quantities and additional test information for reporting. The general procedures for airborne and

impact sound insulation measurements are given in ISO 10140-2 and ISO 10140-3, respectively.

2 Normative references

The following documents, in whole or in part, are normatively referenced in this document and are

indispensable for its application. For dated references, only the edition cited applies. For undated

references, the latest edition of the referenced document (including any amendments) applies.

ISO 717-1, Acoustics — Rating of sound insulation in buildings and of building elements — Part 1: Airborne

sound insulation

ISO/DIS 10140-2:2020, Acoustics — Laboratory measurement of sound insulation of building elements —

Part 2: Measurement of airborne sound insulation

ISO/DIS 10140-3:2020, Acoustics — Laboratory measurement of sound insulation of building elements —

Part 3: Measurement of impact sound insulation

ISO/DIS 10140-4:2020, Acoustics — Laboratory measurement of sound insulation of building elements —

Part 4: Measurement procedures and requirements

ISO/DIS 10140-5:2020, Acoustics — Laboratory measurement of sound insulation of building elements —

Part 5: Requirements for test facilities and equipment

ISO 12999-1, Acoustics — Determination and application of measurement uncertainties in building

acoustics — Part 1: Sound insulation

ISO 16940, Glass in building — Glazing and airborne sound insulation — Measurement of the mechanical

impedance of laminated glass

EN 572-1, Glass in building — Basic soda lime silicate glass products — Part 1: Definitions and general

physical and mechanical properties

EN 572-2, Glass in building — Basic soda lime silicate glass products — Part 2: Float glass

3 General

General requirements regarding boundary conditions and mounting of the test element in the

laboratory are specified in ISO 10140-2, ISO 10140-3 and ISO 10140-5. Additional and more detailed

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oSIST prEN ISO 10140-1:2020
ISO/DIS 10140-1:2020(E)

requirements regarding preparation, mounting and operating conditions, and conditioning are given in

Annexes A, B, C, D, E, F, G, H, I, J and K.

NOTE For products which are not covered by Annexes A, B, C, D, E, F, G, H, I, J or K, a new annex can be added,

based on available knowledge and practice. The preferred structure of annexes is specified in Clause 4.

When testing in accordance with ISO 10140 (all parts), this part of ISO 10140 shall always be checked for

requirements relating to specific elements and products. The basic conditions specified in ISO 10140-2

or ISO 10140-3 shall always be followed.
4 Structure of application rules for specific products

To extend or update the Annexes A, B, C, D, E, F, G, H, I, J and K, or to prepare a new annex with application

rules for specific products, the required contents are listed below. For some elements or products,

certain items might not be relevant. The purpose is to describe boundary, mounting and operating

conditions for specific elements, products or groups of products.
a) Application:
1) definition of the element/product it applies to;
2) quantities measured (if needed);
3) reference to test method(s).
b) Test element:
1) size of the test opening and the test element;
2) number of test elements.
c) Boundary and mounting conditions (should be applied before installation):
1) boundary conditions, e.g. filler wall, element boundaries;
2) mounting positions;
3) installation of the test element in the test opening.
d) Test and operating conditions (should be applied after installation):
1) operating conditions, e.g. open/close before test;
2) conditioning/curing/drying;
3) loading;
4) environmental conditions.
e) Test report.

f) Additional information: if necessary, any information additional to the information that is required

in basic ISO 10140-2 and ISO 10140-3.
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oSIST prEN ISO 10140-1:2020
ISO/DIS 10140-1:2020(E)
Annex A
(normative)
Walls — Airborne sound insulation
A.1 General

For walls and other partitions, ISO 10140-2 is applicable. This annex is applicable to lightweight twin

leaf partitions, such as those constructed of gypsum boards.

The quantity determined is the sound reduction index, R, as a function of frequency. The definition of R

is given in ISO 10140-2.

The general guidelines in the relevant clauses of the basic ISO 10140-2 shall always be followed.

A.2 Test element
The test opening for walls should be approximately 10 m .
A.3 Boundary and mounting conditions

The sound reduction index of lightweight twin leaf partitions (e.g. twin leaf gypsum board walls) is

influenced by the mounting conditions in the test opening of the laboratory. Important installation

parameters include the niche depth and the position of the partition in relation to the acoustic break in

the test aperture.
Key
1 source room
2 receiving room
3 acoustic break of the laboratory

Figure A.1 — Example of the position of the test element relative to the acoustic break of the

laboratory

To improve the reproducibility between laboratories and facilitate comparison of sound reduction

indices for different lightweight double walls, the twin leaf partition shall not be mounted across the

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oSIST prEN ISO 10140-1:2020
ISO/DIS 10140-1:2020(E)

acoustic break of the laboratory, but on the same side of the break, as indicated in Figure A.1. The

aperture should meet the requirements in ISO 10140-2.

Other mounting conditions may be used but shall be fully described in the test report.

NOTE 1 Mounting the lightweight partition with one leaf on one side and the other leaf on the other side of the

acoustic break can result in higher values for the sound reduction index.

NOTE 2 Other mounting conditions can be suitable for certain types of twin leaf walls, for example walls for

semi-detached houses where the leaves are vibrationally uncoupled (for example on separate foundations). In

such cases, the wall leaves can be mounted on each side of the acoustic break.
A.4 Test and operating conditions
The test and operating conditions are given in ISO 10140-2.
A.5 Test report
The test report is given in ISO 10140-2.
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oSIST prEN ISO 10140-1:2020
ISO/DIS 10140-1:2020(E)
Annex B
(normative)
Doors — Airborne sound insulation
B.1 General
This annex is applicable to internal and external doors (including door sets).

The quantity determined is the sound reduction index, R, as a function of frequency. The definition of R

is given in ISO 10140-2.

The general guidelines in the relevant clauses of the basic ISO 10140-2 shall always be followed.

NOTE For a definition of door, see ISO 1804 and EN 12519.
B.2 Test element

For most doors, a test opening with an area of less than 10 m is needed. The area of the test element, S,

is the area of the opening in the filler wall required to accommodate the door.
B.3 Boundary and mounting conditions

The test opening for doors shall be arranged such that the lower edge is situated near to the level of

the floor of the test rooms and such that conditions in the building are reproduced. The door shall be

installed for test such that it can be opened and closed in a normal manner.
B.4 Test and operating conditions

The door shall be opened and closed at least five times immediately before testing.

B.5 Test report
The test report is given in ISO 10140-2.
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oSIST prEN ISO 10140-1:2020
ISO/DIS 10140-1:2020(E)
Annex C
(normative)
Windows — Airborne sound insulation
C.1 General
This annex is applicable to windows.

The quantity determined is the sound reduction index, R, as a function of frequency. The definition of R

is given in ISO 10140-2.

The general guidelines in the relevant clauses of ISO 10140-2 shall always be followed.

NOTE For a definition of window (terminology), see EN 12519.
C.2 Test element

The preferred dimensions of the test opening for a window are 1 250 mm × 1 500 mm as for the specific

small-sized test opening described in ISO 10140-5, but variations from this size can be necessary in

recognition of national building practice. For windows, the test opening may be staggered as shown

in ISO/DIS 10140-5:2020, Figure 3. In the case of a window assembly, dimensions may be chosen as

representative of the assembly used in practical circumstances. For windows, the area, S, is the area of

the opening in the filler wall required to accommodate the test element.
C.3 Boundary and mounting conditions

The installation of a window assembly shall be as similar as possible to the method which would be used

in practice. When the window is mounted in the test opening, the niches on both sides of the windows

shall have different depths, preferably in a ratio of about 2:1, unless this conflicts with the particular

design of the window. However, it is expected that results obtained with niche depths of different ratios

would differ.

The gap between the window and the test opening (about 10 mm to 13 mm around the window when

mounted in the test opening) should be filled with absorbing material (for example mineral wool)

and made airtight using an elastic sealant on both sides or in accordance with the manufacturer’s

instructions.

If the test element is intended to be readily openable, it shall be installed for the test in such that a way

it can be opened and closed in a normal manner.
C.4 Test and operating conditions
C.4.1 Conditioning

The sound insulation of certain glazing systems or elements, especially those incorporating laminated

glass, can depend on the room temperature during the measurements. The temperature of both rooms

used for measuring the sound insulation should be (20 ± 3) °C. The test elements should be stored for

24 h at the test temperature. In addition, it can be advantageous to make measurements at temperatures

similar to those for which the test element is designed.
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oSIST prEN ISO 10140-1:2020
ISO/DIS 10140-1:2020(E)
C.4.2 Operation

If the test element is intended to be openable, it shall be opened and closed at least five times immediately

before testing.
C.5 Test report
The test report is given in ISO 10140-2.
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oSIST prEN ISO 10140-1:2020
ISO/DIS 10140-1:2020(E)
Annex D
(normative)
Glazing — Airborne sound insulation
D.1 General
This annex is applicable to glazing.

The quantity determined is the sound reduction index, R, as a function of frequency. The definition of R

is given in ISO 10140-2.

The general guidelines in the relevant clauses of ISO 10140-2 shall always be followed.

NOTE For a definition of glass (terminology), see EN 12758.
D.2 Test element

The dimensions of the test opening for glazing shall be 1 250 mm × 1 500 mm with an allowable

tolerance on each dimension of ±50 mm, preferably maintaining the same aspect ratio. For glazing,

the test opening shall be staggered on both sides and on the top by a distance of between 60 mm and

65 mm. The glazing shall be mounted in the smaller opening as shown in Figure D.1. For glazing, the

area, S, is the area of the opening in the filler wall required to accommodate the test element.

The specific small-sized test opening described in ISO/DIS 10140-5: 2020, Figure 3, fulfils these criteria,

and a test opening in accordance with ISO/DIS 10140-5: 2020, 3.3.2, shall be used.

NOTE Details of the measurement conditions for glazing are prescribed in order to ensure the best possible

comparison between results obtained by different laboratories.
D.3 Boundary and mounting conditions

The glazing shall be installed into the test opening such that the niches on both sides of the pane have

different depths with a ratio of 2:1. A gap of about 10 mm shall remain between the pane and the reveal

of the test opening. This gap shall be filled with a type of putty, which shall be tested as described

below. To fix the glazing, two wooden beads (25 mm × 25 mm) shall be used (see Figure D.1). The space

between the glazing and the wooden beads shall be filled with putty about 5 mm thick. The beads shall

cover not more than 15 mm and not less than 12 mm of the glass .

The putty used for filling the 10 mm gap between the perimeter of the glazing and the reveal of the

test opening, and the 5 mm gap between the glazing and the wooden beads shall be qualified by the

following test method. A single soda-lime/silica glass pane (float, density 2 500 kg/m , modulus of

elasticity E = 7 × 10 MPa) with a thickness of (10 ± 0,3) mm and dimensions of 1 230 mm × 1 480 mm

shall be mounted with this putty in accordance with Figure D.1. The airborne sound reduction index

shall be determined in one-third octave bands in the frequency range from 1 600 Hz to 3 150 Hz. The

first measurement shall begin not later than 1 h after mounting. The results shall be as follows, to

within ±2,0 dB:
— 1 600 Hz: R = 31,3 dB;
— 2 000 Hz: R = 35,6 dB;

1) This method of mounting and sealing a glass pane into the test opening is given as a practical, quick and

reproducible solution, although this is not the type of mounting in practice.
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oSIST prEN ISO 10140-1:2020
ISO/DIS 10140-1:2020(E)
— 2 500 Hz: R = 39,2 dB;
— 3 150 Hz: R = 42,9 dB.

A second measurement shall be taken about 24 h later in order to make sure that no hardening process

is influencing the measurement. No systematic deviation average, ΔR (mean of the four ΔR values),

greater than 0,5 dB is permitted.
NOTE Perennator TX 2001 S has been shown to fulfil these conditions.

The sound insulation measured for a type of glazing does not necessarily represent the sound insulation

of a window with that glazing. Preferably, therefore, the complete window should be measured as well

to obtain information on the sound insulation of the window and not only the glazing.

Dimensions in millimetres
Key
1 compressible seal 5 putty
2 mineral wool 6 glass pane
3 wall 7 resilient material (acoustically reflective)
4 wooden beading

NOTE This figure shows (as an example) a double-glazed pane installed directly into the (smaller) aperture

of a double-filler wall (for more details, see ISO 10140-5:2010, 3.3.2).
Figure D.1 — Example of installation of glass pane

2) Perennator TX 2001 S is an example of a suitable product available commercially. This information is given for

the convenience of users of this document and does not constitute an endors
...