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ASTM D1970-09
Standard Specification for Self-Adhering Polymer Modified Bituminous Sheet Materials Used as Steep Roofing Underlayment for Ice Dam Protection
STANDARD published on 1.1.2009
The information about the standard:
Designation standards: ASTM D1970-09
Note: WITHDRAWN
Publication date standards: 1.1.2009
SKU: NS-18875
The number of pages: 6
Approximate weight : 18 g (0.04 lbs)
Country: American technical standard
Category: Technical standards ASTM
Annotation of standard text ASTM D1970-09 :
Keywords:
ice dam protection, polymer-modified, self-adhering, steep roofing, underlayment, Adhesion--roofing materials, Bituminous roofing materials--specifications, Elongation, Head of water test, Ice dam protection, Loading tests--roofing materials, Low-temperature flexibility, Polymers--specifications, Roofing materials/applications--specifications, Self-sealability, Thermal analysis (TA), Thermal stability, Underlayment products/applications--specifications, Water absorption--building materials
Additional information
| 1. Scope | ||||||||||||||||
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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 SI units are to be regarded as standard. The values given in parentheses are mathematical conversions to inch-pound units that are provided for information only and are not considered standard. 1.4 The following safety hazards caveat pertains to the test methods portion, Section 8, of this standard. 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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