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    MasterSeal SL 2 multi-component, self-leveling polyurethane sealant

    Formerly: Sonolastic SL 2

    MasterSeal SL 2 description:

    MasterSeal SL 2 is a multi-component, self-leveling, elastomeric polyurethane sealant that is mixed and poured in place. When cured, it forms a tough, resilient joint seal that resists penetration and abrasion and remains flexible when exposed to weather and aging.

    Recommended uses:

    • Horizontal
    • Interior and exterior
    • Expansion joints
    • Control joints
    • Pavers
    • Plaza decks
    • Industrial floors
    • Driveways/garages
    • Sidewalks
    • Decks
    • Parking structures
    • Pitch pans

    What are the unique features of MasterSeal SL 2?

    • Wide temperature-application range makes MasterSeal SL 2 suitable for all climates
    • UL listed; Passes 4-hour, 4-inch, fire and hose stream test when used with Ultra Block or mineral wool
    • Suitable for water immersion with documented performance in wet areas
    • Bulk packaging results in less waste
    • Formulated to withstand pedestrian and vehicular traffic

    What are the benefits of MasterSeal SL 2?

    • Abrasion resistant to help handle pedestrian and vehicular traffic
    • Joint movement capability ±25% provides excellent flexibility for keeping moving joints weather tight
    • Weather resistant, producing long-lasting weather tight seals
    • Easy to gun and tool, speeding up application and making neater joints
    • MasterSeal 905 accelerator available for use in cold climate applications to help speed initial cure
    • No primer required for most construction materials, lowering installation costs
    • Long pot life offers extended working time
    • Chemical cure allows for faster turnaround time

    US / Canada Product Information

    Data Guide

    Data Guide (French)

    Data Guide (Spanish)

    Certification Letter

    LEED Letter

    LEED v4 Letter

    Safety Data Sheets (SDS):

    MasterSeal SL 2 - FIN SLG Limestone

    MasterSeal SL 2 - FIN SLG Pre-Gray

    MasterSeal SL 2 - FIN SLV Limestone Mix

    MasterSeal SL 2 - SLV

    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 BASF construction product.

    Related Literature

    Certification Letter

    pdf (55.34 Kb)

    Data Guide

    pdf (351.50 Kb)

    Data Guide (French)

    pdf (197.18 Kb)

    Data Guide (Spanish)

    pdf (134.29 Kb)

    Joint Sealants Brochure - Spanish

    pdf (749.31 Kb)

    LEED Letter

    pdf (72.88 Kb)

    LEED v4 Letter

    pdf (54.82 Kb)

    MasterSeal SL 2FIN SLV lst mx SDS

    pdf (291.97 Kb)

    MasterSeal SL 2FIN SLV lst mx SDS

    pdf (312.71 Kb)

    MasterSeal SL 2FIN SLV lst mx SDS

    pdf (232.69 Kb)

    MasterSeal SL 2FIN SLV lst mx SDS

    pdf (253.53 Kb)

    SDS

    pdf (212.47 Kb)

    SDS

    pdf (53.27 Kb)

    SDS

    pdf (199.22 Kb)

    SDS

    pdf (200.77 Kb)

    Sealant Performance Selection Guide

    pdf (872.11 Kb)