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    ​​MasterSeal 581

    ​A waterproof cement-based coating for concrete and maso​nry​

    How does MasterSeal 581 w​​​ork?

    MasterSeal 581 is a portland cement-based coating for concrete and masonry that resists both positive and negative hydrostatic pressure.​ Polymer-modified with MasterEmaco A 660, MasterSeal 581 creates a low maintenance and highly durable waterproof barrier.

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    Recommended uses:

    • Vertical and light-pedestrian horizontal surfaces
    • Interior and exterior
    • Above and below grade
    • Alternative to mechanical finishing or rubbing of concrete
    • Waterproofing basement and retaining walls
    • Foundations
    • Bridges and tunnels (non- traffic barring surface)
    • Water cisterns

    What are the uniq​​ue features of MasterSeal 581?

    • Waterproof to help protect building interiors from dampness and moisture damage
    • Breathable, allowing interior moisture to escape without damaging coating

    What are the benefits of MasterSeal 581?

    • Resistant to both positive and negative hydrostatic pressure, making MasterSeal 581 suitable for use below grade interior and exterior and in water treatment construction
    • Compatible with high-performance coatings, including a wide range of architectural coatings and textured finishes
    • Hides minor surface defects and blemishes in architectural concrete
    • Available in ten landscape colors and custom colors (with minimum order quantities) ​

    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.

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