1.1本规范适用于外部绝缘和饰面系统（EIF）中使用的扁平、无涂层的发泡聚苯乙烯隔热板。 1.2 EIFS生产商的要求可能与本规范中的要求不同，也可能与本规范中的要求不同。 1.3以国际单位制表示的数值应视为标准。括号中给出的值仅供参考。 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和健康实践，并确定监管限制的适用性。

1.1 This specification is for flat, uncoated expanded polystyrene thermal insulation boards for use in exterior insulation and finish systems (EIFS). 1.2 EIFS producers may have requirements in addition to, or different than, those in this specification. 1.3 The values stated in SI units are to be regarded as the standard. The values given in parentheses are for informational purposes only. 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 and health practices and determine the applicability of regulatory limitations prior to use.