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    MasterProtect H 440HZ

    Clear, breathable, solvent-based, silane penetrating water-repellent sealer

    How does MasterProtect H 440HZ work?

    MasterProtect H 440HZ is a breathable, solvent-based, water repellent sealer containing 40% alkylalkoxysilane.

    Recommended uses:

    • Horizontal
    • Exterior
    • Above grade
    • Parking decks
    • Bridges
    • Stadiums

    What are the unique features of MasterProtect H 440HZ?

    • 40% silane
    • Excellent depth of penetration
    • Does not alter surface appearance
    • Surface sealer helps reduce efflorescence, atmospheric staining, and mildew

    What are the benefits of MasterProtect H 440HZ?

    • Water repellent which helps to protect from damage caused by chloride intrusion, extends life of structures
    • Solvent-based, excellent for cold-weather applications
    • Breathability allows interior moisture to escape without damaging sealer​

    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 (90.54 Kb)

    Data Guide

    pdf (169.15 Kb)

    MasterProtect H 440HZ Guide Spec

    doc (168.50 Kb)

    MasterProtect H 440HZ SDS

    pdf (273.38 Kb)

    MasterProtect H 440HZ SDS

    pdf (214.70 Kb)

    MasterProtect H 440HZ SDS

    pdf (468.55 Kb)

    MasterProtect H 440HZ SDS

    pdf (353.86 Kb)