ASTM C842-05(2025)

Detail information

Designation: ASTM C842-05(2025)

Publication date: 01/10/2025

Pages: 9

Country: American technical standard

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Anotation

This specification covers the minimum requirements for full-thickness interior gypsum plastering on gypsum, metal, masonry, or monolithic concrete bases designed or prepared to receive gypsum plaster. Gypsum plaster applied to the interior side of exterior walls of masonry or concrete shall be isolated from the exterior wall. Gypsum plasters shall not be used in exterior locations or interior wet areas. Plasters and other cementitious materials shall be kept dry until used; they shall be stored off the ground, under cover, and away from walls with condensation and other damp surfaces. Metal products shall be protected, while stored, against rusting. The surface preparations of plasters are presented in details. All plaster mixing shall be done by mechanical means unless hand mixing is specified. Plaster shall be applied by hand or machine as specified.


Keywords:
aggregate, basecoat, ceiling, finish coat, gypsum, lath, plaster, texture ,, ICS Number Code 91.100.10 (Cement. Gypsum. Lime. Mortar)