ASTM WK57190

    New Test Method for Determining the Drainage Efficiency of Engineered Polymeric Drainage and Ventilation Materials Used as Part of a Rainscreen Assembly

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    Developed by Subcommittee: E06.55 | Committee E06 | Contact Staff Manager


    1. Scope

    1. Scope 1.1 This test method determines the drainage efficiency of polymeric drainage and ventilation materials when subjected to a water spray rate in accordance with Test Method E 331. 1.2 The values stated in SI units are to be regarded as the standard. The inch-pound units given in parenthesis are for information only. 1.3 This standard may involve hazardous materials, operations and equipment. This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.


    11. Keywords:11.1 drainage; drainage efficiency; drainage performance; polymeric drainage and ventilation materials::


    When ASTM E2925 was balloted and approve as a material specification, there were two test methods embedded in the standard (Annex A and Annex B). It was agreed during the voting process to split the test methods off and make them stand alone standards. This proposed new test method is to address this commitment and deals with Annex B of ASTM E2925. Once this test method is approved, a proposal will be made to E2925 to reference this test method rather than Annex B.

    The title and scope are in draft form and are under development within this ASTM Committee.

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    Work Item Status

    Date Initiated:

    Technical Contact:
    Laverne Dalgleish


    E06 (18-01)

    Negative Votes Need Resolution