1.1 This practice covers the application recommendations for spray-applied fibrous insulations consisting of uniform mixtures of thermally resistant binders and inorganic fibrous materials for use on substrates operating at elevated temperatures above 100°F (38°C).

1.2 The values stated in inch-pound units are to be regarded as the standard. The values given in parentheses are for information only.

1.3 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.