ASTM E3431-25

1.1 This practice provides a standard set of procedures for inspecting and reporting on the installed spray-applied fire resistive materials (SFRMs) applied to structural steel or concrete used in buildings. This practice establishes procedures to inspect products and systems, including methods for field verification and inspection.

1.2 This practice addresses all types of SFRMs applied to structural steel or concrete.

1.3 This practice provides an inspector and inspection body various methods to verify that required SFRMs have been installed in accordance with the inspection document.

1.4 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.

1.5 The text of this standard references notes and footnotes that provide explanatory material. These notes and footnotes (excluding those in tables and figures) shall not be considered as requirements of the standard.

1.6 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.

1.7 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.