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Standard specification for self-adhering polymer modified bituminous sheet materials used as steep roofing underlayment for ice dam protection - D 1970-90

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Abstract
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 dam.
Date
1990
Author(s)
ASTM
Page(s)
4
Source
ASCE (American Society of Civil Engineers)
Keyword(s)
ASTM D 1970; standard specification; underlayment; ice dam protection;

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