ASTM WK74838

    Revision of C1280 - 18 Standard Specification for Application of Exterior Gypsum Panel Products for Use as Sheathing

    (What is a Work Item?)

    Active Standard: C1280 - 18

    Developed by Subcommittee: C11.03 | Committee C11 | Contact Staff Manager



    exterior walls; gypsum; gypsum panel products; sheathing;;


    Revise section specifically the 4-inch minimum requirement to allow gypsum sheathing to be properly flashed at openings and preferably located so that no joint will align with an edge of the opening. As well as a revision to remove section 8.2.7s 24-hour limitation.

    Citing ASTM Standards
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    Work Item Status

    Date Initiated:

    Technical Contact:
    Fabio Esguerra

    Draft Under Development