ASTM WK67409

    Revision of C270 - 19 Standard Specification for Mortar for Unit Masonry

    (What is a Work Item?)

    Active Standard: C270 - 19ae1

    Developed by Subcommittee: C12.03 | Committee C12 | Contact Staff Manager



    air content; compressive strength; masonry; masonry cement; mortar; portland cement-lime; water retention; water retentivity;;


    The methods for determining the strength and load-deflection characteristics of masonry wall panels have been removed from E72, Standard Test Methods of Conducting Strength Tests of Panels for Building Construction, and placed in C1717, Standard Test Methods for Conducting Strength Tests of Masonry Wall Panels. All references to E72 should be replaced with C1717 in ASTM C270.

    Citing ASTM Standards
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    Work Item Status

    Date Initiated:

    Technical Contact:
    James Farny