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ASTM E90-09

(Test Method)

Standard Test Method for Laboratory Measurement of Airborne Sound Transmission Loss of Building Partitions and Elements

Standard Test Method for Laboratory Measurement of Airborne Sound Transmission Loss of Building Partitions and Elements

SIGNIFICANCE AND USE
Sound transmission loss as defined in Terminology C 634, refers to the response of specimens exposed to a diffuse incident sound field, and this is the test condition approached by this laboratory test method. The test results are therefore most directly relevant to the performance of similar specimens exposed to similar sound fields. They provide, however, a useful general measure of performance for the variety of sound fields to which a partition or element may typically be exposed.
In laboratories designed to satisfy the requirements of this test method, the intent is that only significant path for sound transmission between the rooms is through the test specimen. This is not generally the case in buildings where there are often many other paths for sounds—flanking sound transmission. Consequently sound ratings obtained using this test method do not relate directly to sound isolation in buildings; they represent an upper limit to what would be measured in a field test.
This test method is not intended for field tests. Field tests shall be performed according to Test Method E 336.
Note 2—The comparable quantity measured using Test Method E 336 is called the apparent sound transmission loss because of the presence of flanking sound transmission.
SCOPE
1.1 This test method covers the laboratory measurement of airborne sound transmission loss of building partitions such as walls of all kinds, operable partitions, floor-ceiling assemblies, doors, windows, roofs, panels, and other space-dividing elements.
1.2 Laboratories are designed so the test specimen constitutes the primary sound transmission path between the two test rooms and so approximately diffuse sound fields exist in the rooms.
1.3 Laboratory Accreditation—The requirements for accrediting a laboratory for performing this test method are given in Annex A4.
1.4 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

General Information

Status
Historical
Publication Date
30-Jun-2009
ICS
91.120.20 - Acoustics in building. Sound insulation
Technical Committee
E33 - Building and Environmental Acoustics
Drafting Committee
E33.03 - Sound Transmission
Current Stage
Ref Project

Relations

Replaces
ASTM E90-04 - Standard Test Method for Laboratory Measurement of Airborne Sound Transmission Loss of Building Partitions and Elements
Effective Date
01-Jul-2009
Replaced By
ASTM E90-09(2016) - Standard Test Method for Laboratory Measurement of Airborne Sound Transmission Loss of Building Partitions and Elements
Effective Date
01-Dec-2016
Referred By
ASTM E413-22 - Classification for Rating Sound Insulation
Effective Date
01-Jul-2009
Referred By
ASTM E1425-14(2023) - Standard Practice for Determining the Acoustical Performance of Windows, Doors, Skylight, and Glazed Wall Systems
Effective Date
01-Jul-2009
Referred By
ASTM C842-05(2021) - Standard Specification for Application of Interior Gypsum Plaster
Effective Date
01-Jul-2009
Referred By
ASTM C844-15(2021) - Standard Specification for Application of Gypsum Base to Receive<brk/> Gypsum Veneer Plaster
Effective Date
01-Jul-2009
Referred By
ASTM E2611-19 - Standard Test Method for Normal Incidence Determination of Porous Material Acoustical Properties Based on the Transfer Matrix Method
Effective Date
01-Jul-2009
Referred By
ASTM E2249-19 - Standard Test Method for Laboratory Measurement of Airborne Transmission Loss of Building Partitions and Elements Using Sound Intensity
Effective Date
01-Jul-2009
Referred By
ASTM E1123-86(2023) - Standard Practices for Mounting Test Specimens for Sound Transmission Loss Testing of Naval and Marine Ship Bulkhead Treatment Materials
Effective Date
01-Jul-2009
Referred By
ASTM E557-12(2020) - Standard Guide for Architectural Design and Installation Practices for Sound Isolation between Spaces Separated by Operable Partitions
Effective Date
01-Jul-2009
Referred By
ASTM E1374-18e1 - Standard Guide for Office Acoustics and Applicable ASTM Standards
Effective Date
01-Jul-2009
Referred By
ASTM E2964-21 - Standard Test Method for Measurement of the Normalized Insertion Loss of Doors
Effective Date
01-Jul-2009
Referred By
ASTM C634-22 - Standard Terminology Relating to Building and Environmental Acoustics
Effective Date
01-Jul-2009
Referred By
ASTM E1332-22 - Standard Classification for Rating Outdoor-Indoor Sound Attenuation
Effective Date
01-Jul-2009
Referred By
ASTM E336-23 - Standard Test Method for Measurement of Airborne Sound Attenuation between Rooms in Buildings
Effective Date
01-Jul-2009

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ASTM E90-09 - Standard Test Method for Laboratory Measurement of Airborne Sound Transmission Loss of Building Partitions and ElementsASTM E90-09 - Standard Test Method for Laboratory Measurement of Airborne Sound Transmission Loss of Building Partitions and Elements
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Standards Content (Sample)

NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
Contact ASTM International (www.astm.org) for the latest information
Designation: E90 − 09
Standard Test Method for
Laboratory Measurement of Airborne Sound Transmission
1
Loss of Building Partitions and Elements
ThisstandardisissuedunderthefixeddesignationE90;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginal
adoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscript
epsilon (´) indicates an editorial change since the last revision or reapproval.
This standard has been approved for use by agencies of the U.S. Department of Defense.
INTRODUCTION
Thistestmethodispartofasetforevaluatingthesound-insulatingpropertiesofbuildingelements.
It is designed to measure the transmission of sound through a partition or partition element in a
laboratory. Others in the set cover the measurement of sound isolation in buildings (Test Method
E336), the laboratory measurement of impact sound transmission through floors (Test Method E492),
the measurement of impact sound transmission in buildings (Test Method E1007), the measurement
of sound transmission through building facades and facade elements (Guide E966), the measurement
of sound transmission through a common plenum between two rooms (Test Method E1414), a quick
method for the determination of airborne sound isolation in multiunit buildings (Practice E597), and
the measurement of sound transmission through door panels and systems (Test Method E1425).
1. Scope 2. Referenced Documents
2
2.1 ASTM Standards:
1.1 This test method covers the laboratory measurement of
C423TestMethodforSoundAbsorptionandSoundAbsorp-
airborne sound transmission loss of building partitions such as
tion Coefficients by the Reverberation Room Method
walls of all kinds, operable partitions, floor-ceiling assemblies,
C634Terminology Relating to Building and Environmental
doors, windows, roofs, panels, and other space-dividing ele-
Acoustics
ments.
E336Test Method for Measurement of Airborne Sound
1.2 Laboratories are designed so the test specimen consti-
Attenuation between Rooms in Buildings
tutestheprimarysoundtransmissionpathbetweenthetwotest
E413Classification for Rating Sound Insulation
rooms and so approximately diffuse sound fields exist in the
E492Test Method for Laboratory Measurement of Impact
rooms.
Sound Transmission Through Floor-Ceiling Assemblies
Using the Tapping Machine
1.3 Laboratory Accreditation—The requirements for ac-
E966Guide for Field Measurements of Airborne Sound
creditingalaboratoryforperformingthistestmethodaregiven
Attenuation of Building Facades and Facade Elements
in Annex A4.
E1007Test Method for Field Measurement of Tapping
1.4 This standard does not purport to address all of the Machine Impact Sound Transmission Through Floor-
safety concerns, if any, associated with its use. It is the Ceiling Assemblies and Associated Support Structures
responsibility of the user of this standard to establish appro- E1111Test Method for Measuring the InterzoneAttenuation
of Open Office Components
priate safety and health practices and determine the applica-
bility of regulatory limitations prior to use. E1289Specification for Reference Specimen for Sound
Transmission Loss
E1332Classification for Rating Outdoor-Indoor Sound At-
tenuation
1
ThistestmethodisunderthejurisdictionofASTMCommitteeE33onBuilding
and Environmental Acoustics and is the direct responsibility of Subcommittee
2
E33.03 on Sound Transmission. For referenced ASTM standards, visit the ASTM website, www.astm.org, or
Current edition approved July 1, 2009. Published August 2009. Originally contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
approved in 1955. Last previous edition approved in 2004 as E90–04. DOI: Standards volume information, refer to the standard’s Document Summary page on
10.1520/E0090-09. the ASTM website.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1

---------------------- Page: 1 ----------------------
E90−09
NOTE 1—Sound transmission coefficient and sound transmission loss
E1414Test Method for Airborne Sound Attenuation Be-
are related by either of the two equations:
tween Rooms Sharing a Common Ceiling Plenum
E1425Practice for Determining theAcoustical Performance
TL 5 10log 1/τ (1)
~ !
of Windows, Doors, Skylight, and Glazed Wall Systems
2TL/10
τ 5 10 (2)
E2235Test Method for Determination of Decay Rates for
Use in Sound Insulation Test Methods
4. Summary of Test Method
2.2 ANSI Standards:
4.1 Two adjacent reverberation rooms are arranged with an
S1.6-1984 (R2006)American National Standard Preferred
opening between them in which the test partition is installed.
Frequencies, Frequency Levels, and Band Numbers for
3 Care is taken that the only significant sound transmission path
Acoustical Measurement
between rooms is by way of the test par
...

This document is not anASTM standard and is intended only to provide the user of anASTM standard an indication of what changes have been made to the previous version. Because
it may not be technically possible to adequately depict all changes accurately, ASTM recommends that users consult prior editions as appropriate. In all cases only the current version
of the standard as published by ASTM is to be considered the official document.
Designation:E90–04 Designation: E 90 – 09
Standard Test Method for
Laboratory Measurement of Airborne Sound Transmission
1
Loss of Building Partitions and Elements
ThisstandardisissuedunderthefixeddesignationE90;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginal
adoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscript
epsilon (´) indicates an editorial change since the last revision or reapproval.
This standard has been approved for use by agencies of the Department of Defense.
INTRODUCTION
This test method is part of a set for evaluating the sound-insulating properties of building elements.
It is designed to measure the transmission of sound through a partition or partition element in a
laboratory. Others in the set cover the measurement of sound isolation in buildings (Test Method
E336),thelaboratorymeasurementofimpactsoundtransmissionthroughfloors(TestMethodE492),
the measurement of impact sound transmission in buildings (Test Method E1007), the measurement
of sound transmission through building facades and facade elements (Guide E966), the measurement
of sound transmission through a common plenum between two rooms (Test Method E1414), a quick
method for the determination of airborne sound isolation in multiunit buildings (Practice
E597),E597), and the measurement of sound transmission through door panels and systems (Test
Method E1408E1425).
1. Scope
1.1 Thistestmethodcoversthelaboratorymeasurementofairbornesoundtransmissionlossofbuildingpartitionssuchaswalls
of all kinds, operable partitions, floor-ceiling assemblies, doors, windows, roofs, panels, and other space-dividing elements.
1.2Laboratory Accreditation—A procedure for accrediting a laboratory for performing this test method is given in Annex A3.
1.2 Laboratories are designed so the test specimen constitutes the primary sound transmission path between the two test rooms
and so approximately diffuse sound fields exist in the rooms.
1.3 Laboratory Accreditation—The requirements for accrediting a laboratory for performing this test method are given in
Annex A4.
1.4 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility
of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory
limitations prior to use.
2. Referenced Documents
2.1 ASTM Standards:
2
C634Terminology Relating to Environmental Acoustics ASTM Standards:
C423 Test Method for Sound Absorption and Sound Absorption Coefficients by the Reverberation Room Method
C634 Terminology Relating to Building and Environmental Acoustics
E336 Test Method for Measurement of Airborne Sound Insulation Attenuation between Rooms in Buildings
E413 Classification for Rating Sound Insulation
E492 Test Method for Laboratory Measurement of Impact Sound Transmission Through Floor-CeilingAssemblies Using the
Tapping Method
E597PracticeforDeterminingaSingle-NumberRatingofAirborneSoundIsolationforUseinMultiunitBuildingSpecifications
1
This test method is under the jurisdiction ofASTM Committee E33 on Building and EnvironmentalAcoustics and is the direct responsibility of Subcommittee E33.03
on Sound Transmission.
Current edition approved April 1, 2004. Published May 2004. Originally approved in 1955. Last previous edition approved 2002 E90–02.
Current edition approved July 1, 2009. Published August 2009. Originally approved in 1955. Last previous edition approved in 2004 as E90–04.
2
Annual Book of ASTM Standards, Vol 04.06.
For referenced ASTM standards, visit the ASTM website, www.astm.org, or contact ASTM Customer Service at service@astm.org. For
2
ForreferencedASTMstandards,visittheASTMwebsite,www.astm.org,orcontactASTMCustomerServiceatservice@astm.org.ForAnnualBookofASTMStandards
volume information, refer to the standard’s Document Summary page on the ASTM website.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
1

---------------------- Page: 1 ----------------------
E90–09
Test Method for Laboratory Measurement of Impact Sound Transmission Through Floor-Ceiling Assemblies Using the
Tapping Machine
E966 Guide for Field Measurements of Airborne Sound Insulation of Building Facades and Facade Elements
E1007 Test Method for Field Measurement of Tapping Machine Impact Sound Transmission throughThrough Floor-Ceiling
Assemblies and Associated Support Structures
E 1111 Test Method for Measuring the Inter
...

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ASTM C423-23(Test Method)
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SIGNIFICANCE AND USE
5.1 Measurement of the sound absorption of a room is part of the procedure for other acoustical measurements, such as determining the sound power level of a noise source or the sound transmission loss of a partition. It is also used in certain calculations such as predicting the sound pressure level in a room when the sound power level of a noise source in the room is known.  
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1.1 This test method covers the laboratory measurement of impact sound transmission of floor-ceiling assemblies using a standardized tapping machine. It is assumed that the test specimen constitutes the primary sound transmission path into a receiving room located directly below and that a good approximation to a diffuse sound field exists in this room.  
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1.3 This test method prescribes a uniform procedure for reporting laboratory test data, that is, the normalized one-third octave band sound pressure levels transmitted by the floor-ceiling assembly due to the tapping machine.  
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ASTM
ASTM C522-03(2022)(Test Method)
Standard Test Method for Airflow Resistance of Acoustical Materials

SIGNIFICANCE AND USE
5.1 The specific airflow resistance of an acoustical material is one of the properties that determine its sound-absorptive and sound-transmitting properties. Measurement of specific airflow resistance is useful during product development, for quality control during manufacture, and for specification purposes.  
5.2 Valid measurements are made only in the region of laminar airflow where, aside from random measurement errors, the airflow resistance (R = P/U) is constant. When the airflow is turbulent, the apparent airflow resistance increases with an increase of volume velocity and the term “airflow resistance” does not apply.  
5.3 The specific airflow resistance measured by this test method may differ from the specific resistance measured by the impedance tube method in Test Method E384 for two reasons. In the presence of sound, the particle velocity inside a porous material is alternating while in this test method, the velocity is constant and in one direction only. Also, the particle velocity inside a porous material is not the same as the linear velocity measured outside the specimen.
SCOPE
1.1 This test method covers the measurement of airflow resistance and the related measurements of specific airflow resistance and airflow resistivity of porous materials that can be used for the absorption and attenuation of sound. Materials cover a range from thick boards or blankets to thin mats, fabrics, papers, and screens. When the material is anisotropic, provision is made for measurements along different axes of the specimen.  
1.2 This test method is designed for the measurement of values of specific airflow resistance ranging from 100 to 10 000 mks rayls (Pa·s/m) with linear airflow velocities ranging from 0.5 mm/s to 50 mm/s and pressure differences across the specimen ranging from 0.1 Pa to 250 Pa. The upper limit of this range of linear airflow velocities is a point at which the airflow through most porous materials is in partial or complete transition from laminar to turbulent flow.  
1.3 A procedure for accrediting a laboratory for the purposes of this test method is given in Annex A1.  
1.4 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.  
1.4.1 Table 1 is provided for user to convert into cgs units.    
cgs acoustic ohm  
mks acoustic ohm (Pa·s/m3)  
105  
cgs rayl  
mks rayl (Pa·s/m)  
10    
cgs rayl/cm  
mks rayl/m (Pa·s/m2)  
103  
cgs rayl/in.  
mks rayl/m (Pa·s/m2)  
394  
mks rayl/in.  
mks rayl/m (Pa·s/m2)  
39.4  
1.5 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.  
1.6 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

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ASTM
ASTM C384-04(2022)(Test Method)
Standard Test Method for Impedance and Absorption of Acoustical Materials by Impedance Tube Method

SIGNIFICANCE AND USE
5.1 The acoustical impedance properties of a sound absorptive material are related to its physical properties, such as airflow resistance, porosity, elasticity, and density. As such, the measurements described in this test method are useful in basic research and product development of sound absorptive materials.  
5.2 Normal incidence sound absorption coefficients are more useful than random incidence coefficients in certain situations. They are used, for example, to predict the effect of placing material in a small enclosed space, such as inside a machine.  
5.3 Estimates of the random incidence or statistical absorption coefficients for materials can be obtained from normal incidence impedance data. For materials that are locally reacting, that is, without sound propagation inside the material parallel to its surface, statistical absorption coefficients can be estimated from specific normal acoustic impedance values using an expression derived by London (1).5 Locally reacting materials include those with high internal losses parallel with the surface such as porous or fibrous materials of high density or materials that are backed by partitioned cavities such as a honeycomb core. Formulas for estimating random incidence sound absorption properties for both locally and bulk-reacting materials, as well as for multilayer systems with and without air spaces have also been developed (2).
SCOPE
1.1 This test method covers the use of an impedance tube, alternatively called a standing wave apparatus, for the measurement of impedance ratios and the normal incidence sound absorption coefficients of acoustical materials.  
1.2 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.  
1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.  
1.4 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

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ASTM
ASTM E1042-22(Classification)
Standard Classification for Acoustically Absorptive Materials Applied by Trowel or Spray

SIGNIFICANCE AND USE
4.1 Acoustically absorptive materials are used for the control of reverberation and echoes in rooms. This standard provides a classification method for acoustically absorptive materials applied directly to surfaces by trowel or by spray.
SCOPE
1.1 This classification covers materials applied by trowel or spray to surfaces for the purpose of increasing their acoustical absorption.  
1.2 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.  
1.3 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

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ASTM
ASTM E1573-22(Test Method)
Standard Test Method for Measurement and Reporting of Masking Sound Levels Using A-Weighted and One-Third-Octave-Band Sound Pressure Levels

SIGNIFICANCE AND USE
5.1 Acoustical performance is dependent on many factors (see Guide E1374 for a discussion on general office acoustical considerations). One of these factors is the masking sound. The masking spectrum shape and level must conform within specified tolerances throughout the treated area. The measurement and recording of these parameters are addressed in this test method.  
5.2 The results from this test method are used to determine if the masking sound meets a particular specification.
SCOPE
1.1 This test method specifies the procedure used to measure the masking sound in terms of A-weighted and one-third-octave-band sound pressure levels.  
1.2 The results of this test method can be used to determine if and where the masking sound meets (or does not meet) a particular specification.  
1.3 This test method does not evaluate the overall acoustical environment. It is intended only to measure and report the masking sound levels.  
1.4 The values stated in SI units are to be regarded as standard. The values in parentheses are for information only.  
1.5 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.  
1.6 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

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