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ASTM C842-05(2021)
Standard Specification for Application of Interior Gypsum Plaster
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STANDARD published on 1.4.2021
The information about the standard:
Designation standards: ASTM C842-05(2021)
Publication date standards: 1.4.2021
SKU: NS-1024046
The number of pages: 9
Approximate weight : 27 g (0.06 lbs)
Country: American technical standard
Category: Technical standards ASTM
The category - similar standards:
Annotation of standard text ASTM C842-05(2021) :
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)
Additional information
| 1. Scope | ||||||||||||||||||||||||||
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1.1?This specification covers the minimum requirements for full-thickness (in accordance with Table 1) interior gypsum plastering on gypsum, metal, masonry, or monolithic concrete bases designed or prepared to receive gypsum plaster. 1.1.1?Gypsum plaster applied to the interior side of exterior walls of masonry or concrete shall be isolated from the exterior wall. 1.2?Gypsum plasters shall not be used in exterior locations or interior wet areas. Note 1:?To secure desirable results, this specification should
be coordinated with the provisions of Specification C841. General information concerning full
thickness gypsum plastering is contained in Annex A2 Annex A4.
1.3?Details of construction for a specific assembly to achieve the required fire resistance shall be obtained from reports of fire-resistance tests, engineering evaluations, or listings from recognized fire testing laboratories. 1.4?Details of construction to achieve required sound control shall be obtained from reports of tests conducted at recognized sound testing laboratories in accordance with the applicable sound tests of Test Methods E90, C423, or E492. 1.5?The values stated in inch-pound units are to be regarded as the standard. The SI (metric) values given in parentheses are approximate and are provided for information purposes only. 1.6?The text of this standard references notes and footnotes which provide explanatory material. These notes and footnotes (excluding those in tables and figures) shall not be considered as requirements of the standard. 1.7?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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