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1.1 This practice is a guide for removing specimens for built-up bituminous roof systems during application, but before the application of flood coating and top surfacing, for determining the approximate quantities of the components and the possible presence of moisture, or dry spots between plies, in the field. Components may consist of: 1.1.1 Insulation, when part of the roof membrane system, 1.1.2 Plies of roofing felt, 1.1.3 Interply layers of bituminous material, and 1.1.4 Top coating, if present, before any surfacing aggregate has been applied. 1.2 This practice is applicable to both 914 mm [36 in.] and 1000 mm [39/₈ in.] wide felt rolls. 1.3 The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in nonconformance with the standard. 1.4 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. 1.5 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.

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Published: 11/01/2022 Number of Pages: 3 File Size: 1 file , 93 KB Note: This product is unavailable in Russia, Ukraine, Belarus