1.1 本规范涵盖了全厚度的最低要求（根据 表1 )在石膏、金属、砌体或整体混凝土基础上进行内部石膏抹灰，设计或制备用于铺设石膏。 1.1.1 应用于砌体或混凝土外墙内侧的石膏应与外墙隔离。 1.2 石膏灰泥不得用于外部位置或内部“潮湿”区域。 注1: 为了获得理想的结果，本规范应与规范的规定相协调 C841 . 有关全厚度石膏抹灰的一般信息，请参阅 附录A2– 附件A4 . 1.3 应从火灾报告中获取实现所需耐火性的特定组件的施工细节- 电阻测试、工程评估或公认消防测试实验室的清单。 1.4 应根据测试方法的适用声音测试，从公认的声音测试实验室进行的测试报告中获取实现所需声音控制的施工细节 E90 , C423 或 E492 . 1.5 以英寸-磅为单位的数值应视为标准值。括号中给出的SI（公制）值是近似值，仅供参考。 1.6 本标准的文本引用了提供解释材料的注释和脚注。这些注释和脚注（不包括表和图中的注释和脚注）不应视为本标准的要求。 1.7 本国际标准是根据世界贸易组织技术性贸易壁垒（TBT）委员会发布的《关于制定国际标准、指南和建议的原则的决定》中确立的国际公认标准化原则制定的。

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.