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    ​​MasterSeal AWB 900

    Liquid flashing membrane

    MasterSeal AWB 900 description

    MasterSeal AWB 900 is a one-component elastomeric material for use as a flexible flashing membrane. It can also be used to prepare sheathing joints for subsequent application of MasterSeal AWB 660, MasterSeal AWB 665 or MasterSeal AWB 660 I air/water-resistive barrier membranes.

    Recommended uses:

    • For use as a membrane for flashing rough openings, and as a detailing compound for preparing sheathing joints for application of an air/water-resistive barrier membrane.
    • Acceptable substrates include ASTM C1177 sheathing, plywood, pressure treated wood, OSB, steel and aluminum.

    What are the unique features of MasterSeal AWB 900?

    • Can be applied to damp substrates
    • Withstands rainfall immediately after application
    • Fast cure and tack-free time
    • Bonds to a wide range of substrates
    • Does not contain solvents, phthalates or isocyanates​

    Direct contact

    Master Builders Solutions Technical Support

    Construction Systems

    1-800-243-6739

    Safety Data Sheet (SDS)

    Find all available safety data sheets for this product.

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    LEED v4 & v4.1 Teaser Image

    LEED v4 & v4.1

    Search by product or CSI code and download up to date LEED information.

    Related Literature

    CCRR-0264 MasterSeal AWB 900

    pdf (692.46 Kb)

    LEED v4 Letter for MasterSeal AWB 900

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    MasterSeal AWB 900 Data Guide

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    MasterSeal AWB 900 Details

    pdf (2.34 Mb)

    MasterSeal AWB 900 SDS

    pdf (506.46 Kb)

    MasterSeal AWB 900 SDS

    pdf (300.18 Kb)

    MasterSeal AWB 900 SDS

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    MasterSeal AWB 900 SDS

    pdf (391.07 Kb)