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    Sikaflex® NP 2 (formerly known as MasterSeal® NP 2) - Multiple-component, high-performance, polyurethane sealant

    What is MasterSeal NP 2?

    MasterSeal NP 2 is a multi-component, highly flexible, high performance, non-sag, polyurethane sealant. It has been successfully tested for joint movement of ±50%. It is available in 40 colors using special MasterSeal 900 color packs.

    What is MasterSeal NP 2 used for?

    MasterSeal NP 2 is the ideal material for high movement, vertical or horizontal expansion joints, to provide a durable, weathertight, elastomeric seal.

    Typical applications include:
    • Interior and exterior
    • Above and below grade
    • Water retaining structures (with primer)
    • Horizontal and vertical expansion joints in buildings and structures
    • Wide joints up to 75mm
    • Panel walls
    • Precast units
    • Aluminum and wood window frames
    • Roofing
    • Fascia
    • Parapets and vinyl siding
    • Store front assemblies
    • Parking structures
    • Jersey barriers

    What are the benefits of MasterSeal NP 2?

    • Movement capability of ± 50% adds protection against unanticipated movement
    • Weather resistant for long-lasting weathertight seals
    • Easy to gun and tool to speed up application and make neater joints
    • No primer required for most construction materials, lowering installation costs
    • Wide temperature application range makes MasterSeal NP 2 suitable for all climates
    • UL listed; passes 4-hour, 4-inch, fire and hose stream test with Ultra Block or mineral wool
    • Suitable for water immersion with documented performance in wet areas
    • Chemical cure allows for faster turnaround time
    • Bulk packaging results in less waste
    • Long pot life provides extended working time at elevated temperatures
    • Resilient seal withstands pedestrian and vehicular traffic
    • Non-sag formulation allows use in very wide vertical joints


    Job References - MasterSeal NP2

    pdf (451.34 Kb)

    MasterSeal NP 2 Colour Portfolio

    pdf (1.96 Mb)

    MasterSeal NP 2_MS

    pdf (378.85 Kb)


    UAE: +971/48090800
    Oman: +968/24435800
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