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    ​​​​​MasterSeal NP 100

    High-performanc​​​e hybrid sealant​

    How does MasterSeal NP 100 work?

    MasterSeal NP 100 is a high-performance, low modulus, high-movement, non-sag, fast-curing, ready-to-use, and non-staining hybrid sealant. It’s formulated with unique polymers that allow for versatile adhesion to a variety of substrates while accommodating high movement and providing long-term durability. ​

    Recommended uses:

    • Vertical or horizontal
    • Exterior or interior
    • Above grade
    • For sealing a variety of building joints against water and air intrusion
    • Joints with extreme movement
    • Storefront systems
    • Expansion joints
    • Panel walls
    • Precast units
    • Aluminum, vinyl and wood window frames
    • Fascia
    • Parapets
    • Sanitary applications
    • Roofing

    What are the unique features of MasterSeal NP 100?

    • Superior adhesion to a variety of substrates resulting in a long term bond
    • Low modulus, formulated for joint movement of ±50%
    • Resists chalking, cracking and fading to maintain long lasting weather-tight seals
    • Wide temperature application range
    • Several packaging options available including easy to open plastic pails
    • Meets all state and federal VOC regulations
    • Tint Base option available to provide a wide variety of colors

    What are the benefits of MasterSeal NP 100?

    • Compatible with elastomeric coatings and can be painted soon after installation
    • Easy to gun and tool, which speeds up application and makes neater joint
    • Fast curing sealant with available accelerator option to speed cure times
    • Non-staining formula for use on stone and other sensitive substrates

    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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