1.1 本指南 2. 提供有关安装石膏产品和由薄板柔性辐射加热板构成的隐蔽式天花板辐射加热系统的交易信息，以及在维修由加热电缆或薄板柔性辐射加热板构成的现有隐蔽式天花板辐射加热系统后安装石膏产品的信息。 1.2 以英寸-磅为单位的数值应视为标准值。本标准不包括其他计量单位。 1.3 本指南无意解决隐蔽式辐射供暖系统设计或性能的任何方面，仅限于正确安装指定用于隐蔽式辐射天花板供暖系统的石膏产品。 1.4 本标准并非旨在解决与其使用相关的所有安全问题（如有）。本标准的用户有责任在使用前制定适当的安全、健康和环境实践，并确定监管限制的适用性。 1.5 本标准的文本引用了提供解释材料的注释和脚注。这些注释和脚注不应视为本标准的要求。 1.6 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。 ====意义和用途====== 4.1 本指南旨在为石膏产品安装人员提供信息，以避免与电加热部件和导体附近或周围安装石膏产品相关的危险；并避免与隐蔽式辐射供暖系统一起使用时对石膏制品造成损坏。 4.2 本指南中给出的信息适用于现有电缆加热系统的维修和由柔性辐射加热板构成的辐射加热系统的新结构。

1.1 This guide 2 provides information for trades installing gypsum products in conjunction with a concealed radiant ceiling heating system constructed from thin sheet flexible radiant heating panels, and for the installation of gypsum products after repair of existing concealed radiant ceiling heating systems constructed from heating cable or thin sheet flexible radiant heating panels. 1.2 The values stated in inch-pound units are to be regarded as standard. No other units of measurement are included in this standard. 1.3 This guide does not purport to address any aspect of concealed radiant heating system design or performance, and is limited to the proper installation of gypsum products specified for use in a concealed radiant ceiling heating system. 1.4 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use. 1.5 The text of this standard references notes and footnotes which provide explanatory material. These notes and footnotes shall not be considered as requirements of the standard. 1.6 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. ====== Significance And Use ====== 4.1 The purpose of this guide is to provide information to gypsum product installers for the avoidance of hazards associated with the installation of gypsum products adjacent to, or surrounding, electric heating components and conductors; and to avoid damage to gypsum products when used in conjunction with a concealed radiant heating system. 4.2 The information given in this guide is applicable to repair of existing cable heating systems and to new construction of radiant heating systems constructed from flexible radiant heating panels.