ASTM-D1970 › Standard Specification for Self-Adhering Polymer Modified Bituminous Sheet Materials Used as Steep Roofing Underlayment for Ice Dam Protection
Show Complete Document History
The following bibliographic material is provided to assist you with your purchasing decision:
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.
1.4 The following safety hazards caveat pertains to the test methods portion, Section 7, 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.
ice dam protection; polymer-modified; self-adhering; steep roofing; underlayment; ICS Number Code 91.100.60 (Thermal and sound insulating materials)
To find similar documents by ASTM Volume:
To find similar documents by classification:
This document comes with our free Notification Service, good for the life of the document.
This document is available in either Paper or PDF format.
July 21, 2020