Full Description

1.1 This specification covers the composition, dimensions, and physical properties of flexible unfaced foam sheet, used to insulate interior surfaces of HVAC ducts, plenums and equipment used for the distribution of conditioned air with a temperature of up to 250F (121C).

1.2 HVAC ducts, plenums and equipment systems typically operate between a temperature range of 50F to 150F (10C to 65C) and are designed to meet building code requirements of maximum temperatures of 250F (121C).

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

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 requirements prior to use.