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Standard Specification for Self-Adhering Polymer Modified Bituminous Sheet Materials Used as Steep Roofing Underlayment for Ice Dam Protection
Automatische name übersetzung:
Standard-Spezifikation für selbsthaftende kunststoffmodifizierten BitumenblattVerwendete Materialien wie Steile Dachunterspannbahn für Ice Dam Schutz
NORM herausgegeben am 1.7.2014
Bezeichnung normen: ASTM D1970/D1970M-14
Anmerkung: UNGÜLTIG
Ausgabedatum normen: 1.7.2014
SKU: NS-18879
Zahl der Seiten: 6
Gewicht ca.: 18 g (0.04 Pfund)
Land: Amerikanische technische Norm
Kategorie: Technische Normen ASTM
Keywords:
ice dam protections, polymer-modifieds, self-adherings, steep roofings, underlayments, ICS Number Code 91.100.60 (Thermal and sound insulating materials)
1. Scope | ||||||||||||||||||
1.1 This specification covers polymer modified bituminous sheet materials intended for use as underlayment on roof eaves, or valleys, or both, to prevent leakage of shingle, tile, or metal roofs from water back-up due to ice dams. 1.2 These underlayment sheets have a sticky adhesive layer which is exposed by removal of a protective sheet. The top surface is suitable to work on during the application of the exposed roofing. 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 non-conformance 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 and health practices and determine the applicability of regulatory limitations prior to use. |
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2. Referenced Documents | ||||||||||||||||||
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