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    ​​MasterProtect H 185

    High-performance, breathable, water-based, patented silane/siloxane blended water-repellent sealer for lightweight block

    How does MasterProtect H 185 work?

    MasterProtect H 185 is a high-performance, water-based, clear, silane/siloxane sealer designed to provide long-term protection for the most challenging split-faced and lightweight block as well as standard CMU.

    Recommended uses:

    • Vertical
    • Interior or exterior
    • Above grade

    What are the unique features of MasterProtect H 185?

    • Water repellency extends life of building
    • VOC compliant for EPA and most regional jurisdictions
    • Transparent and non-staining; does not alter surface appearance
    • Easy to apply

    What are the benefits of MasterProtect H 185?

    • Treats lightweight block and CMU providing long-lasting protection against moisture intrusion
    • Excellent water bead so the substrate maintains dry appearance during rainfall
    • Breathability allows interior moisture to escape without damaging sealer

    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.

    Related Literature

    Certification Letter

    pdf (89.80 Kb)

    Data Guide

    pdf (168.51 Kb)

    MasterProtect H 185 Guide Spec

    doc (128.50 Kb)

    MasterProtect H 185 SDS

    pdf (224.29 Kb)

    MasterProtect H 185 SDS

    pdf (165.50 Kb)

    MasterProtect H 185 SDS

    pdf (420.50 Kb)

    MasterProtect H 185 SDS

    pdf (308.71 Kb)