ASTM C1658/C1658M-19e1
(Specification)Standard Specification for Glass Mat Gypsum Panels
Standard Specification for Glass Mat Gypsum Panels
ABSTRACT
This specification covers the glass mat gypsum panels. Glass mat interior gypsum panel, designed for use on walls, ceilings, or partitions and that affords a surface suitable to receive decoration. Glass mat coreboard gypsum panel, and glass mat shaftliner gypsum panel, designed for use as a base in multilayer systems or as gypsum studs or cores in semisolid or solid gypsum board partitions, or in shaftwall assemblies. Glass mat water-resistant gypsum panel, designed to be used as a base for the application of ceramic or plastic tile on walls or ceilings. Glass mat gypsum panel shall consist of a noncombustible core, gypsum, surfaced with glass mat partially or completely embedded in the core. Flexural strength, humidified deflection, null pull resistance, water resistance, and surface water absorption and shall conform to the physical property requirements of the materials specified.
SCOPE
1.1 This specification covers the glass mat gypsum panels described in 1.1.1 – 1.1.3.
1.1.1 Glass mat interior gypsum panel, designed for use on walls, ceilings, or partitions and that affords a surface suitable to receive decoration.
1.1.2 Glass mat coreboard gypsum panel, and glass mat shaftliner gypsum panel, designed for use as a base in multilayer systems or as gypsum studs or cores in semisolid or solid gypsum board partitions, or in shaftwall assemblies.
1.1.3 Glass mat water-resistant gypsum panel, designed to be used as a base for the application of ceramic or plastic tile on walls or ceilings. This product is also suitable for decoration. (This is distinct from a coated glass mat water-resistant gypsum panel ASTM 1178.)
1.2 Specifications applicable to all glass mat gypsum panels are located in Sections 1 – 4 and 8 – 10. Specifications applicable to specific glass mat gypsum panels are located in the following sections:
Section
Glass mat interior gypsum panel
5
Glass mat coreboard gypsum panel, and glass
mat shaftliner gypsum panel
6
Glass mat water-resistant gypsum panel
7
1.3 The values stated in either inch-pound units or SI (metric) are to be regarded separately as standard. Within the text, the SI units are shown in brackets. The values stated in each system shall be used independent of the other. Values from the two systems shall not be combined.
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
Relations
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.
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Designation: C1658/C1658M −19
Standard Specification for
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Glass Mat Gypsum Panels
This standard is issued under the fixed designation C1658/C1658M; 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.
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ε NOTE—Removed “6” editorially from width values in 6.2.2 in July 2020.
1. Scope* 2. Referenced Documents
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2.1 ASTM Standards:
1.1 This specification covers the glass mat gypsum panels
described in 1.1.1 – 1.1.3. C11 Terminology Relating to Gypsum and Related Building
Materials and Systems
1.1.1 Glass mat interior gypsum panel, designed for use on
walls, ceilings, or partitions and that affords a surface suitable C22/C22M Specification for Gypsum
C473 Test Methods for Physical Testing of Gypsum Panel
to receive decoration.
1.1.2 Glass mat coreboard gypsum panel, and glass mat Products
C645 Specification for Nonstructural Steel Framing Mem-
shaftliner gypsum panel, designed for use as a base in
multilayer systems or as gypsum studs or cores in semisolid or bers
C1264 Specification for Sampling, Inspection, Rejection,
solid gypsum board partitions, or in shaftwall assemblies.
1.1.3 Glass mat water-resistant gypsum panel, designed to Certification, Packaging, Marking, Shipping, Handling,
and Storage of Gypsum Panel Products
be used as a base for the application of ceramic or plastic tile
on walls or ceilings. This product is also suitable for decora- D3273 TestMethodforResistancetoGrowthofMoldonthe
Surface of Interior Coatings in an Environmental Cham-
tion. (This is distinct from a coated glass mat water-resistant
gypsum panel ASTM 1178.) ber
E84 Test Method for Surface Burning Characteristics of
1.2 Specifications applicable to all glass mat gypsum panels
Building Materials
are located in Sections 1–4 and 8–10. Specifications
E119 Test Methods for Fire Tests of Building Construction
applicable to specific glass mat gypsum panels are located in
and Materials
the following sections:
Section
3. Terminology
Glass mat interior gypsum panel 5
Glass mat coreboard gypsum panel, and glass 6
3.1 Definitions used in this specification shall be in accor-
mat shaftliner gypsum panel
dance with Terminology C11.
Glass mat water-resistant gypsum panel 7
1.3 The values stated in either inch-pound units or SI 3.2 Definitions of Terms Specific to This Standard:
3.2.1 glass mat, n—a mat of glass fibers with or without a
(metric) are to be regarded separately as standard. Within the
text, the SI units are shown in brackets. The values stated in binder.
each system shall be used independent of the other. Values
4. Materials and Manufacture
from the two systems shall not be combined.
4.1 Glass mat gypsum panel shall consist of a noncombus-
1.4 This international standard was developed in accor-
tible core, essentially gypsum complying with Specification
dance with internationally recognized principles on standard-
C22/C22M, surfaced with glass mat partially or completely
ization established in the Decision on Principles for the
Development of International Standards, Guides and Recom- embedded in the core.
4.1.1 Glass mat interior gypsum panel shall consist of a
mendations issued by the World Trade Organization Technical
Barriers to Trade (TBT) Committee. noncombustible core, essentially gypsum complying with
Specification C22/C22M, surfaced on both the face and back
with glass mat partially or completely embedded into the core.
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This test method is under the jurisdiction ofASTM Committee C11 on Gypsum
and Related Building Materials and Systems and is the direct responsibility of
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Subcommittee C11.01 on Specifications and Test Methods for Gypsum Products. For referenced ASTM standards, visit the ASTM website, www.astm.org, or
Current edition approved Sept. 1, 2019. Published October 2019. Originally contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
approved in 2006. Last previous edition approved in 2018 as C1658/C1658M – 18. Standards volume information, refer to the standard’s Document Summary page on
DOI: 10.1520/C1658_C1658M-19E01. the ASTM website.
*A Summary of Changes section appears at the end of this standard
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
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C1658/C1658M − 19
4.1.2 Glass mat coreboard gypsum panel, and glass mat 4.5.1.1 Specimens shall be tested in accordance with Test
shaftliner gypsum panel shall be eithe
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