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    MasterSeal CR 125: Self-leveling polyurethane sealant for chemical and industrial environments

    Formerly: Sonomeric 1

    How does MasterSeal CR 125 work?

    MasterSeal CR 125 is a ready-to-use self-leveling polyurethane sealant for horizontal joints in chemical and industrial environments.

    Recommended uses:

    • Concrete
    • Horizontal
    • Exterior or interior
    • Above grade
    • Airport runways
    • Highways and bridges
    • Industrial floors
    • Driveways and loading docks

    What are the unique features of MasterSeal CR 125?

    • Weather resistant, providing long-term performance
    • Jet fuel resistant to help withstand chemical attacks

    What are the benefits of MasterSeal CR 125?

    • Exceptional elongation tolerates joint movement
    • No mixing required
    • No priming on most applications, making it easy to apply and speeding up jobsite production

    US / Canada Product Information

    Data Guide

    Data Guide (Spanish)

    Data Guide (French)

    Certification Letter

    LEED Letter

    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 (55.32 Kb)

    Data Guide

    pdf (101.53 Kb)

    Data Guide (French)

    pdf (306.76 Kb)

    Data Guide (Spanish)

    pdf (125.85 Kb)

    Joint Sealants Brochure - Spanish

    pdf (749.31 Kb)

    LEED Letter

    pdf (73.37 Kb)

    Sealant Performance Selection Guide

    pdf (872.11 Kb)