Standard Guide for
Design of Built-Up Bituminous Membrane Waterproofing
Systems for Building Decks1

This standard is issued under the fixed designation C 981; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (e) indicates an editorial change since the last revision or reapproval.

Click below to download Astm C 981 – 01Pdf free

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Click here to download Astm C 980 – 88 (Reapproved 2001)Pdf Free Download