ASTM-D1970 Standard Specification for Self-Adhering Polymer Modified Bituminous Sheet Materials Used as Steep Roofing Underlayment for Ice Dam Protection

ASTM-D1970 - 2020 EDITION - CURRENT
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Standard Specification for Self-Adhering Polymer Modified Bituminous Sheet Materials Used as Steep Roofing Underlayment for Ice Dam Protection
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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 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.

Keywords

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:

04.04 (Roofing and Waterproofing)

To find similar documents by classification:

91.100.60 (Thermal and sound insulating materials)

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Document Number

ASTM-D1970_D1970M-20

Revision Level

2020 EDITION

Status

Current

Modification Type

Revision

Publication Date

July 21, 2020

Document Type

Specification

Committee Number

D08.02