ASTM C919 - 18
Standard Practice for Use of Sealants in Acoustical Applications
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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.”
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, health, and environmental 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 (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
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
IBC Standard
International Building Code (IBC), Section 1206ICS Code
ICS Number Code 91.100.50 (Binders. Sealing materials); 91.120.20 (Acoustics in buildings. Sound insulation)
Referencing This Standard
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DOI: 10.1520/C0919-18
Citation Format
ASTM C919-18, Standard Practice for Use of Sealants in Acoustical Applications, ASTM International, West Conshohocken, PA, 2018, www.astm.org
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