1.1 This guide lists minimum application and installation requirements for semi-rigid protection board when used as protection for below grade or below wearing surface (like plaza decks) waterproofing.

1.2 The values stated in SI units are to be regarded as the standard. The values givein 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. For specific precautionary statements, see Section 8.