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Standard Specification for Mechanically Attached Polymeric Roof Underlayment Used in Steep Slope RoofingTranslate name
STANDARD published on 1.2.2022
Designation standards: ASTM D8257/D8257M-22
Publication date standards: 1.2.2022
The number of pages: 4
Approximate weight : 12 g (0.03 lbs)
Country: American technical standard
Category: Technical standards ASTM
mechanically attached, polymeric roof underlayment, steep slope,, ICS Number Code 91.060.20 (Roofs),91.100.50 (Binders. Sealing materials)
1.1This specification addresses mechanically attached polymeric roof underlayment used in steep slope roofing.
1.2The objective of this specification is to provide a finished product that will be used as a water-shedding underlayment layer on steep sloped roofs prior to and after installation of the primary roof covering.
1.3The 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.
1.4This 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.
1.5This 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.
Latest update: 2022-11-30 (Number of items: 2 643 454)
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