scope:

This specification covers the minimum requirements for full-thickness (as specified in Table 6) gypsum plastering on gypsum, metal, masonry, or monolithic concrete bases designed or prepared to receive gypsum plaster.

NOTE 1-To secure desirable results, this specification should be coordinated with the provisions of Specification C 841.

Where a specific degree of fire resistance is required for plastered assemblies and construction, details of construction shall be in strict accordance with official reports of fire tests conducted in recognized testing laboratories in accordance with Methods E 119 (see Annex A1).

Where a specific degree of sound control is required for plastered assemblies and construction, details of construction shall be in compliance with official reports of tests conducted in recognized sound testing laboratories in accordance with the applicable sound tests of Method E 90, Test Method C 423, or Method E 492 (see Annex A1.2).