This specification covers gypsum wallboard which is designed to be used for walls, ceilings, or partitions and affords a surface suitable to receive decoration.
Formerly under the jurisdiction of Committee C11 on Gypsum and Related Building Materials and Systems, this specification was withdrawn in December 2004 and replaced by Specification C 1396/C 1396M for Gypsum Board.
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Область применения1.1 This specification covers gypsum wallboard which is designed to be used for walls, ceilings, or partitions and affords a surface suitable to receive decoration.
Note 1—Specification C 840 contains application procedures for gypsum wallboard.
1.2 The values stated in either inch-pound or SI (metric) units 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.
1.3 The text of this standard references notes and footnotes that provide explanatory material. These notes and footnotes (excluding those in tables and figures) shall not be considered as requirements of the standard.