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    MasterSeal AWB 600 FL 

    ​Block filler

    MasterSeal AWB 600 FL description

    A one-component, water-based block filler based on Silica Fortified RubberTM chemistry. It has been specifically designed for use with MasterSeal AWB air/water-resistive barrier products.

    Recommended uses for MasterSeal AWB 600 FL

    • Prepare rough, porous concrete / masonry substrates for subsequent application of MasterSeal AWB fluid-applied air/water-resistive barrier products
    • Promote adhesion of MasterSeal AWB 970 FIB self-adhesive membranes to rough CMU surfaces
    • Create tight, seamless expansion joints and facilitate adhesion of through-wall flashing systems

    MasterSeal AWB 600 FL features and benefits

    • Low shrinkage; fills voids and pores
    • Water-based; nonflammable, low toxicity​

    Direct contact

    Master Builders Solutions Technical Support

    Admixture Systems

    1-800-628-9990

    Safety Data Sheet (SDS)

    Find all available safety data sheets for this product.

    Product Certifications

    Generate a free certificate of conformance for a specific Master Builders Solutions construction product.

    Related Literature

    LEED v4 Letter for MasterSeal AWB 600 FL

    pdf (172.51 Kb)

    MasterSeal AWB Equipment Recommendations for Application

    pdf (131.49 Kb)