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ASTM D 1970/D1970M : 2017-05
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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SPECIFICATION FOR SELF-ADHERING POLYMER MODIFIED BITUMINOUS SHEET MATERIALS USED AS STEEP ROOFING UNDERLAYMENT FOR ICE DAM PROTECTION
29-04-2020
01-05-2017
CONTAINED IN VOL. 04.04, 2017 Defines 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.
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