ASTM WK51804

    Revision of D4811 / D4811M - 06(2013)e1 Standard Specification for Nonvulcanized (Uncured) Rubber Sheet Used as Roof Flashing

    (What is a Work Item?)

    Active Standard: D4811 / D4811M - 16

    Developed by Subcommittee: D08.18 | Committee D08 | Contact Staff Manager



    WK51804

    1. Rationale

    To update the weathering tests by (1) adding the fluorescent UVA-340 lamp to the lamp type used for the UV/condensation exposure apparatus conditions and (2) changing the exposure cycle to increase the amount of moisture in the xenon arc exposure apparatus conditions.


    Keywords

    chloroprene; EPDM; flashing; nonvulcanized; roofing; vulcanized;
    Citing ASTM Standards
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    Work Item Status

    Date Initiated:
    10-18-2015

    Technical Contact:
    Norma Searle

    Item:
    021

    Ballot:
    D08 (16-01)

    Status:
    Negative Votes Need Resolution

    Item:
    022

    Ballot:
    D08 (16-01)

    Status:
    Ballot Item Approved as D4811/D4811M-2016 and Pending Publication