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    MasterSeal NP 100

    High-performance 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

    US / Canada Product Information

    Data Guide

    Data Guide (French)

    Certification Letter

    Guide Spec

    LEED Letter

    LEED v4 Letter

    Color Reference - MasterSeal NP 100

    Color Reference - MasterSeal Single Components

    Color Portfolio - MasterSeal Most Popular Colors

    Safety Data Sheets (SDS):

    MasterSeal NP 100

    MasterSeal NP 100 - Anodized Aluminum

    MasterSeal NP 100 - Aluminum Gray

    MasterSeal NP 100 - Black

    MasterSeal NP 100 - Buff

    MasterSeal NP 100 - Hunter Green

    MasterSeal NP 100 - Limestone

    MasterSeal NP 100 - Medium Bronze

    MasterSeal NP 100 - Off-White

    MasterSeal NP 100 - Redwood Tan

    MasterSeal NP 100 - Special Bronze

    MasterSeal NP 100 - Stone

    MasterSeal NP 100 - Tan

    MasterSeal NP 100 - Tint Base

    MasterSeal NP 100 - White

    Direct contact

    Master Builders Solutions Technical Support

    Construction Systems


    Safety Data Sheet (SDS)

    Find all available safety data sheets for this product.

    Product Certifications

    Generate a free certificate of conformance for a specific BASF construction product.

    Related Literature

    Certification Letter

    pdf (54.02 Kb)

    Color Reference

    pdf (166.17 Kb)

    Data Guide

    pdf (136.68 Kb)

    Data Guide (French)

    pdf (108.21 Kb)

    Guide Spec

    doc (160.00 Kb)

    Joint Sealants Brochure - Spanish

    pdf (749.31 Kb)

    LEED Letter

    pdf (73.02 Kb)

    LEED v4 Letter

    pdf (285.35 Kb)

    Sealant Performance Selection Guide

    pdf (872.11 Kb)

    zip (46.13 Kb)