Volume 3, Issue 3 (March 2006)

    Water Resistance and Durability of Weather-Resistive Barriers

    (Received 12 April 2005; accepted 26 September 2005)

    Published Online: 2005

    CODEN: JAIOAD

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    Abstract

    Weather resistive barriers function as the second line of defense against water that has intruded past a building's cladding. Despite its importance, however, the evaluation of weather-resistive barrier water resistance performance is not conducted in a consistent manner across product types. Several different test methods that include vastly different water exposure techniques are used. Because of the variance in test methods and rating systems, the selection of optimal weather resistive barrier for a specific project can be difficult. Complicating matters further, the water resistance of weather resistive barriers is almost always reported on as-received materials, with little if any information provided on how the water resistance will change during the construction period or in service. This paper presents data comparing the water resistance of weather resistive barriers measured by both standard methods and by a small-scale water spray test. Additionally, the change in water resistance performance due to direct environmental exposure is discussed.


    Author Information:

    Weston, TA

    Pascual, X

    Boone, K


    Stock #: JAI12842

    ISSN: 1546-962X

    DOI: 10.1520/JAI12842

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    Author
    Title Water Resistance and Durability of Weather-Resistive Barriers
    Symposium Performance and Durability of the Window-Wall Interface, 2004-04-18
    Committee E06