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    ​​MasterSeal AWB 975 FIB

    Corner reinforcement

    MasterSeal AWB 975 FIB description

    MasterSeal AWB 975 FIB is a premanufactured corner reinforcement designed for use with Master Builders Solutions Construction Systems fluid-applied air and water-resistive barrier systems.​

    Recommended uses:

    MasterSeal AWB 975 FIB can be used to reinforce the corners of rough openings as part of a flexible flashing system. Rough openings treated with MasterSeal AWB 975 FIB and approved Master Builders Solutions products can be integrated into a seamless air/water-resistive barrier and flexible flashing system.

    MasterSeal AWB 975 FIB features and benefits

    • One-piece coverage of window corner yields consistent moisture protection
    • Conforms to out-of-square openings for fast, easy, reliable application
    • Package dispenses like facial tissue for convenience and speed of application
    • ICC-ES AC 148 compliant meets building code requirements
    • Designed for commercial window sizes to provide air barrier continuity​

    Direct contact

    Master Builders Solutions Technical Support

    Construction Systems


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