ASTM C 1658/C1658M : 2019
Current
The latest, up-to-date edition.
Standard Specification for Glass Mat Gypsum Panels
Hardcopy , PDF
English
10-01-2019
1.1This specification covers the glass mat gypsum panels described in 1.1.1 – 1.1.3.
1.1.1Glass mat interior gypsum panel, designed for use on walls, ceilings, or partitions and that affords a surface suitable to receive decoration.
1.1.2Glass 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.
1.1.3Glass 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.)
1.2Specifications 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 | 6 |
| Glass mat water-resistant gypsum panel | 7 |
1.3The 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.
1.4This 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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