ASTM WK76494

    New Specification for High Solids Content, Cold Liquid-Applied Elastomeric, Silyl-Terminated Polymer Based Waterproofing Membrane for Use with Separate Wearing Course

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    Developed by Subcommittee: D08.22 | Committee D08 | Contact Staff Manager



    WK76494

    1. Scope

    Over the past 15 years there has been a significant increase in the use of STP (Silyl-terminated polymer) based waterproofing such that it has become recognized as a primary technology for this application. STP based technology has inherent differences in properties and performance when compared to alternative liquid applied waterproofing membranes. This specification serves to give direction to manufacturers and minimum performance requirements to end users so as to allow for better decision making and differentiation between products. Given the growth in this technology and the range of products offered by a multitude of manufacturers it is appropriate to have a stand-alone standard in ASTM. This is consistent with other ASTM standards which differentiate on the basis of polymer technology.


    Keywords

    STPE

    Rationale

    Over the past 15 years there has been a significant increase in the use of STP (Silyl-terminated polymer) based waterproofing such that it has become recognized as a primary technology for this application. STP based technology has inherent differences in properties and performance when compared to alternative liquid applied waterproofing membranes. This specification serves to give direction to manufacturers and minimum performance requirements to end users so as to allow for better decision making and differentiation between products. Given the growth in this technology and the range of products offered by a multitude of manufacturers it is appropriate to have a stand-alone standard in ASTM. This is consistent with other ASTM standards which differentiate on the basis of polymer technology.

    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:
    04-08-2021

    Technical Contact:
    Jonathan Ballema

    Status:
    Draft Under Development