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ASTM Standard D1970/D1970M-21 Standard specification for self-adhering polymer modified bituminous sheet materials used as steep roofing underlayment for ice dam protection

Publication Year

2021

Document Status

Current

Abstract

Specifies standards for polymer modified bituminous sheet materials proposed for use as underlayment on roof eaves, or valleys.

Publisher Information

American Society for Testing and Materials

ASTM International offers global access to standards development for over 140 participating countries.

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