ASTM C1546-19
(Guide)Standard Guide for Installation of Gypsum Products in Concealed Radiant Ceiling Heating Systems
Standard Guide for Installation of Gypsum Products in Concealed Radiant Ceiling Heating Systems
SIGNIFICANCE AND USE
4.1 The purpose of this guide is to provide information to gypsum product installers for the avoidance of hazards associated with the installation of gypsum products adjacent to, or surrounding, electric heating components and conductors; and to avoid damage to gypsum products when used in conjunction with a concealed radiant heating system.
4.2 The information given in this guide is applicable to repair of existing cable heating systems and to new construction of radiant heating systems constructed from flexible radiant heating panels.
SCOPE
1.1 This guide2 provides information for trades installing gypsum products in conjunction with a concealed radiant ceiling heating system constructed from thin sheet flexible radiant heating panels, and for the installation of gypsum products after repair of existing concealed radiant ceiling heating systems constructed from heating cable or thin sheet flexible radiant heating panels.
1.2 The values stated in inch-pound units are to be regarded as standard. No other units of measurement are included in this standard.
1.3 This guide does not purport to address any aspect of concealed radiant heating system design or performance, and is limited to the proper installation of gypsum products specified for use in a concealed radiant ceiling heating system.
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, health, and environmental practices and determine the applicability of regulatory limitations prior to use.
1.5 The text of this standard references notes and footnotes which provide explanatory material. These notes and footnotes shall not be considered as requirements of the standard.
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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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: C1546 − 19
Standard Guide for
Installation of Gypsum Products in Concealed Radiant
1
Ceiling Heating Systems
This standard is issued under the fixed designation C1546; 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 2. Referenced Documents
3
2
2.1 ASTM Standards:
1.1 This guide provides information for trades installing
C840 SpecificationforApplicationandFinishingofGypsum
gypsum products in conjunction with a concealed radiant
Board
ceiling heating system constructed from thin sheet flexible
C841 Specification for Installation of Interior Lathing and
radiant heating panels, and for the installation of gypsum
Furring
products after repair of existing concealed radiant ceiling
C842 Specification forApplication of Interior Gypsum Plas-
heating systems constructed from heating cable or thin sheet
ter
flexible radiant heating panels.
1.2 The values stated in inch-pound units are to be regarded 3. Terminology
as standard. No other units of measurement are included in this
3.1 Definitions:
standard.
3.1.1 concealed radiant heating system, n—a system that
operates by heating the building materials that conceal the heat
1.3 This guide does not purport to address any aspect of
source, which in turn transfer the heat into the heated area by
concealedradiantheatingsystemdesignorperformance,andis
radiant emission.
limited to the proper installation of gypsum products specified
for use in a concealed radiant ceiling heating system.
3.1.2 facing, n—the finished surface layer through which
heat is transferred into a heated area.
1.4 This standard does not purport to address all of the
safety concerns, if any, associated with its use. It is the
3.1.3 flexible radiant heating panel, n—a thin sheet heating
responsibility of the user of this standard to establish appro-
element intended to produce heat when connected to an
priate safety, health, and environmental practices and deter-
electrical supply.
mine the applicability of regulatory limitations prior to use.
3.1.4 furring, n—spacer elements added to a building struc-
1.5 The text of this standard references notes and footnotes
ture to facilitate fastening of gypsum panel products.
which provide explanatory material. These notes and footnotes
3.1.5 gypsum product, n—building material intended for use
shall not be considered as requirements of the standard.
in radiant heated ceiling construction, containing gypsum in its
1.6 This international standard was developed in accor-
composition or construction.
dance with internationally recognized principles on standard-
3.1.5.1 Discussion—The gypsum products most often asso-
ization established in the Decision on Principles for the
ciated with radiant heating systems are gypsum panels and
Development of International Standards, Guides and Recom-
gypsum plaster.
mendations issued by the World Trade Organization Technical
3.1.6 heating cable, n—an electrically insulated cable in-
Barriers to Trade (TBT) Committee.
tended to produce heat when connected to an electrical supply.
4. Significance and Use
1
4.1 The purpose of this guide is to provide information to
This guide is under the jurisdiction of ASTM Committee C11 on Gypsum and
Related Building Materials and Systems and is the direct responsibility of
gypsum product installers for the avoidance of hazards asso-
Subcommittee C11.03 on Specifications for the Application of Gypsum and Other
ciated with the installation of gypsum products adjacent to, or
Products in Assemblies.
Current edition approved Nov. 1, 2019. Published November 2019. Originally
3
approved in 2002. Last previous edition approved in 2014 as C1546 – 02 (2014). For referenced ASTM standards, visit the ASTM website, www.astm.org, or
DOI: 10.1520/C1546-19. contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
2
The first edition of this guide replaced Appendix X.7 of Specification Standards volume information, refer to the standard’s Document Summary page on
C840 - 99a. the ASTM website.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1
---------------------- Page: 1 ----------------------
C1546 − 19
surrounding, electric heating components and conductors; and 5.3.7 Follow the radiant heat-source manufacturer’s start-up
to avoid damage to gypsum products when used in conjunction and operating instructions when operating the radiant heating
with a con
...
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: C1546 − 02 (Reapproved 2014) C1546 − 19
Standard Guide for
Installation of Gypsum Products in Concealed Radiant
1
Ceiling Heating Systems
This standard is issued under the fixed designation C1546; 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
2
1.1 This guide provides information for trades installing gypsum products in conjunction with a concealed radiant ceiling
heating system constructed from thin sheet flexible radiant heating panels, and for the installation of gypsum products after repair
of existing concealed radiant ceiling heating systems constructed from heating cable or thin sheet flexible radiant heating panels.
1.2 The values stated in inch-pound units are to be regarded as standard. No other units of measurement are included in this
standard.
1.3 This guide does not purport to address any aspect of concealed radiant heating system design or performance, and is limited
to the proper installation of gypsum products specified for use in a concealed radiant ceiling heating system.
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 safety, health, and healthenvironmental practices and determine the
applicability of regulatory requirementslimitations prior to use.
1.5 The text of this standard references notes and footnotes which provide explanatory material. These notes and footnotes shall
not be considered as requirements of the standard.
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.
2. Referenced Documents
3
2.1 ASTM Standards:
C840 Specification for Application and Finishing of Gypsum Board
C841 Specification for Installation of Interior Lathing and Furring
C842 Specification for Application of Interior Gypsum Plaster
3. Terminology
3.1 Definitions:
3.1.1 concealed radiant heating system, n—a system that operates by heating the building materials that conceal the heat source,
which in turn transfer the heat into the heated area by radiant emission.
3.1.2 facing, n—the finished surface layer through which heat is transferred into a heated area.
3.1.3 flexible radiant heating panel, n—a thin sheet heating element intended to produce heat when connected to an electrical
supply.
3.1.4 furring, n—spacer elements added to a building structure to facilitate fastening of gypsum panel products.
3.1.5 gypsum product, n—building material intended for use in radiant heated ceiling construction, containing gypsum in its
composition or construction.
1
This guide is under the jurisdiction of ASTM Committee C11 on Gypsum and Related Building Materials and Systems and is the direct responsibility of Subcommittee
C11.03 on Specifications for the Application of Gypsum and Other Products in Assemblies.
Current edition approved April 1, 2014Nov. 1, 2019. Published April 2014_____ 2019. Originally approved in 2002. Last previous edition approved in 20082014 as
ε1
C1546 – 02 (2008)(2014). . DOI: 10.1520/C1546-02R14.10.1520/C1546-19.
2
The first edition of this guide replaced Appendix X.7 of Specification C840 - 99a.
3
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.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1
---------------------- Page: 1 ----------------------
C1546 − 19
3.1.5.1 Discussion—
The gypsum products most often associated with radiant heating systems are gypsum boardpanel and gypsum plaster.
3.1.6 heating cable, n—an electrically insulated cable intended to produce heat when connected to an electrical supply.
4. Significance and Use
4.1 The purpose of this guide is to provide information to gypsum product installers for the avoidance of hazards associated with
the installation of gypsum products adjacent to, or surrounding, electric h
...
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