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    ​MasterProtect HB 300SB

    Waterborne, high-build, modified acrylic, waterproof coating

    How does MasterProtect HB 300SB work?

    MasterProtect HB 300SB is a waterborne, high-build, modified acrylic waterproof coating for above-grade concrete, stucco, block and brick surfaces.

    Recommended uses:

    • Exterior
    • Vertical
    • Above grade
    • Protecting and waterproofing

    What are the unique features of MasterProtect HB 300SB?

    • Suitable for cool weather applications
    • Adheres to properly prepared smooth and chalky surfaces
    • Resists wind-driven rain; helps prevent water penetration into the substrate
    • Breathable to allow water vapor to escape

    What are the benefits of MasterProtect HB 300SB?

    • Green concrete application expedites project completion
    • Primerless adhesion saves time and money
    • Available in smooth and fine sand texture for varied appearances

    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.

    Product Certifications

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

    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

    Certification Letter

    pdf (89.83 Kb)

    Data Guide

    pdf (192.77 Kb)

    Data Guide (French)

    pdf (401.45 Kb)

    MasterProtect HB 300SB Guide Spec

    doc (133.50 Kb)

    Wall Coatings Selector Guide

    pdf (527.36 Kb)