1.1 This specification guide covers the procedures for the repair and recoating of existing sprayed polyurethane roofing systems.

1.2 S.I. units are used throughout the document. Inch/pound units are in parentheses.

1.3 This standard does not address all of the safety concerns associated with its application or 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.