ASTM E2964-21

Standard Test Method for Measurement of the Normalized Insertion Loss of Doors

SIGNIFICANCE AND USE
5.1 This standard provides a method for testing the apparent sound insulating properties of doors in the field originally proposed by Morin (1).6 This allows doors to be evaluated with a result that has been found to be similar to the transmission loss.  
5.2 The results of this measurement are the normalized door insertion loss, NDIL, at individual frequencies, and the single-number rating door transmission class, DTC. The insertion loss is normalized by the small change in sound level which occurs on the source side when the door is opened and closed. The results are in theory the same when measured in each direction through the door, but differences have been observed in practice.  
5.3 Comparative measurements using this method and the method of Test Method E90 on the same door installations in a laboratory indicate good agreement between the transmission loss and normalized door insertion loss when the door is in a wall between two rooms and flanking is not significant. No similar verification has been done for corridors. See Appendix X1 and Ref (2).  
5.4 The fixed-microphone and scanning methods have been compared in the field. See Appendix X2.
SCOPE
1.1 The sound insulation properties of a door are measured in a laboratory as the sound transmission loss in accordance with Test Method E90. Using those data, the single-number rating sound transmission class (STC) is assigned. In the field, the rooms on one or both sides of a partition containing a door are often either too small or too large and absorptive to allow the apparent transmission loss (ATL) of the partition-door assembly to be measured. Even if that is not the case, the result measured is the composite ATL of the partition including the door, and not that of the door itself. Test Method E336 states that it is impossible to measure the ATL of a portion of a partition such as a door according to the procedures of that standard. This test method provides a method of evaluating doors in the field using a normalized insertion loss with a resulting single-number rating door transmission class, DTC. This method is intended primarily for hinged personnel doors with latching mechanisms and is limited to door openings of area less than 6 m2. The flanking effects of surrounding structure are reduced compared to Test Method E336 but not completely eliminated. In a laboratory environment, the DTC is close to or equal to the STC of the door, but in the field results less than the laboratory STC are to be expected due to flanking.  
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.

General Information

• Status: Published
• Publication Date: 31-Jul-2021
• ICS: 91.060.50 - Doors and windows
• ICS: 91.120.20 - Acoustics in building. Sound insulation
• Technical Committee: E33 - Building and Environmental Acoustics
• Drafting Committee: E33.03 - Sound Transmission

Standards Content (Sample)

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.
Designation: E2964 − 21
Standard Test Method for
1
Measurement of the Normalized Insertion Loss of Doors
This standard is issued under the fixed designation E2964; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
INTRODUCTION
This test method is part of a set of standards for evaluating the sound-insulating properties of
building elements and the sound isolation between spaces. It is designed to measure the field sound
isolation performance of doors. Others in the set cover the airborne sound transmission loss of an
isolated partition element in a controlled laboratory environment (Test Method E90), field measure-
ments of the sound isolation between rooms 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), and the measurement of sound
transmission through a common plenum between two rooms (Test Method E1414).
1. Scope 1.2 The values stated in SI units are to be regarded as
standard. No other units of measurement are included in this
1.1 The sound insulation properties of a door are measured
standard.
in a laboratory as the sound transmission loss in accordance
1.3 This standard does not purport to address all of the
with Test Method E90. Using those data, the single-number
safety concerns, if any, associated with its use. It is the
rating sound transmission class (STC) is assigned. In the field,
responsibility of the user of this standard to establish appro-
the rooms on one or both sides of a partition containing a door
priate safety, health, and environmental practices and deter-
are often either too small or too large and absorptive to allow
mine the applicability of regulatory limitations prior to use.
the apparent transmission loss (ATL) of the partition-door
1.4 This international standard was developed in accor-
assembly to be measured. Even if that is not the case, the result
dance with internationally recognized principles on standard-
measured is the composite ATL of the partition including the
ization established in the Decision on Principles for the
door, and not that of the door itself. Test Method E336 states
Development of International Standards, Guides and Recom-
that it is impossible to measure the ATL of a portion of a
mendations issued by the World Trade Organization Technical
partition such as a door according to the procedures of that
Barriers to Trade (TBT) Committee.
standard. This test method provides a method of evaluating
doors in the field using a normalized insertion loss with a
2. Referenced Documents
resulting single-number rating door transmission class, DTC.
2
2.1 ASTM Standards:
This method is intended primarily for hinged personnel doors
C634 Terminology Relating to Building and Environmental
with latching mechanisms and is limited to door openings of
Acoustics
2
area less than 6 m . The flanking effects of surrounding
E90 Test Method for Laboratory Measurement of Airborne
structure are reduced compared to Test Method E336 but not
Sound Transmission Loss of Building Partitions and
completely eliminated. In a laboratory environment, the DTC
Elements
is close to or equal to the STC of the door, but in the field
E336 Test Method for Measurement of Airborne Sound
results less than the laboratory STC are to be expected due to
Attenuation between Rooms in Buildings
flanking.
E413 Classification for Rating Sound Insulation
E492 Test Method for Laboratory Measurement of Impact
Sound Transmission Through Floor-Ceiling Assemblies
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 Aug. 1, 2021. Published September 2021. Originally contact ASTM Customer Service at [e-mail]. For Annual Book of ASTM
approved in 2014. Last previous edition approved in 2019 as E2964 – 19. DOI: Standards volume information, refer to the standard’s Document Summary page on
10.1520/E2964-21. the ASTM website.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1

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E29
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This document is not an ASTM standard and is intended only to provide the user of an ASTM 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: E2964 − 19 E2964 − 21
Standard Test Method for
1
Measurement of the Normalized Insertion Loss of Doors
This standard is issued under the fixed designation E2964; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
INTRODUCTION
This test method is part of a set of standards for evaluating the sound-insulating properties of
building elements and the sound isolation between spaces. It is designed to measure the field sound
isolation performance of doors. Others in the set cover the airborne sound transmission loss of an
isolated partition element in a controlled laboratory environment (Test Method E90), field measure-
ments of the sound isolation between rooms 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), and the measurement of sound
transmission through a common plenum between two rooms (Test Method E1414).
1. Scope
1.1 The sound insulation properties of a door are measured in a laboratory as the sound transmission loss in accordance with Test
Method E90. Using those data single numberdata, the single-number rating sound transmission class (STC) is assigned. In the field,
the rooms on one or both sides of a partition containing a door are often either too small or too large and absorptive to allow the
apparent transmission loss (ATL) of the partition-door assembly to be measured. Even if that is not the case, the result measured
is the composite ATL of the partition including the door, and not that of the door itself. Test Method E336 actually states that it
is impossible to measure the ATL of a portion of a partition such as a door according to the procedures of that standard. This test
method provides a method of evaluating doors in such casesthe field using a normalized insertion loss with a resulting single
number single-number rating door transmission class, DTC. This method is intended primarily for hinged personnel doors with
2
latching mechanisms and is limited to door openings of area less than 6 m . The flanking effects of surrounding structure are
reduced compared to Test Method E336 but not completely eliminated. In a laboratory environment, the DTC is close to or equal
to the STC of the door, but in the field results less than the laboratory STC should be expected.are to be expected due to flanking.
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.
1
This test method is under the jurisdiction of ASTM Committee E33 on Building and Environmental Acoustics and is the direct responsibility of Subcommittee E33.03
on Sound Transmission.
Current edition approved April 1, 2019Aug. 1, 2021. Published April 2019September 2021. Originally approved in 2014. Last previous edition approved in 20142019 as
ε1
E2964 – 14E2964 – 19. . DOI: 10.1520/E2964-19.10.1520/E2964-21.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1

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E2964 − 21
2. Referenced Documents
2
2.1 ASTM Standards:
C634 Terminology Relating to Building and Environmental Acoustics
E90 Test Method for Laboratory Measurement of Airborne Sound Transmission Loss of Building Partitions and Elements
E336 Test Method for Measurement of Airborne Sound Attenuation between Rooms in Buildings
E413 Classification for Rating Sound Insulation
E492 Test Method for Laboratory Measurement of Impact Sound Transmission Through
...