ASTM C919-12(2017)
(Practice)Standard Practice for Use of Sealants in Acoustical Applications
Standard Practice for Use of Sealants in Acoustical Applications
SIGNIFICANCE AND USE
4.1 Walls, ceilings, and floors in building construction, especially those that are of lightweight construction, and that are designed to reduce or limit sound transmission, can have undesirable sound transmission characteristics if care is not taken to seal joints, voids, and penetrations that typically occur. Unsealed joints, voids, and penetrations will substantially increase the sound transmission characteristics of these types of construction. By sealing them the transmission of sound can be substantially diminished by eliminating “flanking paths.”
SCOPE
1.1 This practice provides information for the use of sealants to reduce sound transmission characteristics of interior walls, ceilings, and floors by proper application of sealants to joints, voids, and penetrations normally found in building construction, which are commonly referred to as “flanking paths.”
1.2 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.
1.3 The committee with jurisdiction over this standard is not aware of any comparable standards published by other organizations.
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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Designation: C919 − 12 (Reapproved 2017)
Standard Practice for
1
Use of Sealants in Acoustical Applications
This standard is issued under the fixed designation C919; 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.
1. Scope C1642 Practice for DeterminingAir Leakage Rates ofAero-
sol Foam Sealants and Other Construction Joint Fill and
1.1 This practice provides information for the use of seal-
Insulation Materials
ants to reduce sound transmission characteristics of interior
E90 Test Method for Laboratory Measurement of Airborne
walls, ceilings, and floors by proper application of sealants to
Sound Transmission Loss of Building Partitions and
joints, voids, and penetrations normally found in building
Elements
construction, which are commonly referred to as “flanking
E336 Test Method for Measurement of Airborne Sound
paths.”
Attenuation between Rooms in Buildings
1.2 This standard does not purport to address all of the
E413 Classification for Rating Sound Insulation
safety concerns, if any, associated with its use. It is the 3
2.2 HUD Standard:
responsibility of the user of this standard to establish appro-
HUD Minimum Property Standards for Housing, Section
priate safety and health practices and determine the applica-
4910.1
bility of regulatory limitations prior to use.
4
2.3 IBC Standard:
1.3 Thecommitteewithjurisdictionoverthisstandardisnot
International Building Code (IBC), Section 1207
aware of any comparable standards published by other orga-
nizations.
3. Terminology
1.4 This international standard was developed in accor-
3.1 Definitions—For definitions of terms used in this rec-
dance with internationally recognized principles on standard-
ommended practice, see Terminologies C717 and C634.
ization established in the Decision on Principles for the
4. Significance and Use
Development of International Standards, Guides and Recom-
mendations issued by the World Trade Organization Technical
4.1 Walls, ceilings, and floors in building construction,
Barriers to Trade (TBT) Committee.
especially those that are of lightweight construction, and that
are designed to reduce or limit sound transmission, can have
2. Referenced Documents
undesirable sound transmission characteristics if care is not
2
2.1 ASTM Standards: takentosealjoints,voids,andpenetrationsthattypicallyoccur.
C634 Terminology Relating to Building and Environmental Unsealed joints, voids, and penetrations will substantially
Acoustics increase the sound transmission characteristics of these types
C717 Terminology of Building Seals and Sealants of construction. By sealing them the transmission of sound can
C834 Specification for Latex Sealants be substantially diminished by eliminating “flanking paths.”
C920 Specification for Elastomeric Joint Sealants
5. Sound Transmission Requirements
C1193 Guide for Use of Joint Sealants
C1520 Guide for Paintability of Latex Sealants 5.1 The construction industry has adopted Sound Transmis-
C1620 Specification for Aerosol Polyurethane and Aerosol
sionClass(STC)units,asdefinedinTerminologyC634,torate
Latex Foam Sealants the sound transmission properties of walls, ceilings, and floors.
TheSTCisdeterminedinaccordancewithClassificationE413.
The test data are obtained in accordance with Test Methods
1
This practice is under the jurisdiction of ASTM Committee C24 on Building E90 and E336.
Seals and Sealants and is the direct responsibility of Subcommittee C24.10 on
5.2 Various building and other governmental adopted codes
Specifications, Guides and Practices.
Current edition approved June 1, 2017. Published June 2017. Originally include requirements for sound transmission.
approved in 1979. Last previous edition approved in 2012 as C919 – 12. DOI:
10.1520/C0919-12R17.
2 3
For referenced ASTM standards, visit the ASTM website, www.astm.org, or Available from Superintendent of Documents, U.S. Government Printing
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM Office, Washington, DC 20402.
4
Standards volume information, refer to the standard’s Document Summary page on Available from International Code Council (ICC), 500 New Jersey Ave., NW,
the ASTM website. 6th Floor, Washington, DC 20001, http://www.iccsafe.org.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1
---------------------- Page: 1 ----------------------
C919 − 12 (2017)
5.2.1 For example, the International Building Code (IBC),
Section 1207, has requirements for the amount of sound that is
allowed to be transmitted through the interior walls, partitions,
and floor and
...
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: C919 − 12 C919 − 12 (Reapproved 2017)
Standard Practice for
1
Use of Sealants in Acoustical Applications
This standard is issued under the fixed designation C919; 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.
1. Scope
1.1 This practice provides information for the use of sealants to reduce sound transmission characteristics of interior walls,
ceilings, and floors by proper application of sealants to joints, voids, and penetrations normally found in building construction,
which are commonly referred to as “flanking paths.”
1.2 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.
1.3 The committee with jurisdiction over this standard is not aware of any comparable standards published by other
organizations.
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.
2. Referenced Documents
2
2.1 ASTM Standards:
C634 Terminology Relating to Building and Environmental Acoustics
C717 Terminology of Building Seals and Sealants
C834 Specification for Latex Sealants
C920 Specification for Elastomeric Joint Sealants
C1193 Guide for Use of Joint Sealants
C1520 Guide for Paintability of Latex Sealants
C1620 Specification for Aerosol Polyurethane and Aerosol Latex Foam Sealants
C1642 Practice for Determining Air Leakage Rates of Aerosol Foam Sealants and Other Construction Joint Fill and Insulation
Materials
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
3
2.2 HUD Standard:
HUD Minimum Property Standards for Housing, Section 4910.1
4
2.3 IBC Standard:
International Building Code (IBC), Section 1207
3. Terminology
3.1 Definitions—For definitions of terms used in this recommended practice, see Terminologies C717 and C634.
1
This practice is under the jurisdiction of ASTM Committee C24 on Building Seals and Sealants and is the direct responsibility of Subcommittee C24.10 on Specifications,
Guides and Practices.
Current edition approved June 1, 2012June 1, 2017. Published July 2012June 2017. Originally approved in 1979. Last previous edition approved in 20082012 as
C919 – 08.C919 – 12. DOI: 10.1520/C0919-12.10.1520/C0919-17.
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM Standards
volume information, refer to the standard’s Document Summary page on the ASTM website.
3
Available from Superintendent of Documents, U.S. Government Printing Office, Washington, DC 20402.
4
Available from International Code Council (ICC), 500 New Jersey Ave., NW, 6th Floor, Washington, DC 20001, http://www.iccsafe.org.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1
---------------------- Page: 1 ----------------------
C919 − 12 (2017)
4. Significance and Use
4.1 Walls, ceilings, and floors in building construction, especially those that are of lightweight construction, and that are
designed to reduce or limit sound transmission, can have undesirable sound transmission characteristics if care is not taken to seal
joints, voids, and penetrations that typically occur. Unsealed joints, voids, and penetrations will substantially increase the sound
transmission characteristics of these types of construction. By sealing them the transmission of sound can be substantially
diminished by eliminating “flanking paths.”
5. Sound Transmission Requirements
5.1 The construction industry has adopted Sound Transmission Class (STC) units, as defined in Terminology C634, to rate the
sound transmission properties of walls, ceilings, and floors. The STC is determined in accordance with Classification E413. The
test data are obt
...
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