Sikaflex® NP 2
Short Description
Sikaflex® NP 2 is a multi-component, high-performance polyurethane sealant designed for expansion joints, panel walls, precast concrete, window frames, and more. With ±25% movement capability, excellent weather resistance, and no primer required for most materials, it ensures long-lasting, flexible, and durable seals in commercial, industrial, and residential applications.
Sikaflex® NP 2 is a high-performance, multi-component polyurethane sealant engineered for superior adhesion, durability, and flexibility in above- and below-grade applications. Designed to accommodate ±25% joint movement, it provides a long-lasting weather-resistant seal for expansion joints, precast concrete, panel walls, window frames, parking structures, and more.
This chemical-curing, non-priming sealant adheres to most common construction materials without a primer, lowering installation costs and time. Its high elasticity, excellent weather resistance, and immersion capability make it ideal for demanding applications, including commercial, industrial, and residential projects.
Key Benefits of Sikaflex® NP 2:
- Multi-component polyurethane sealant for high durability and flexibility
- ±25% movement capability ensures long-term joint flexibility
- No primer required for most construction materials, reducing installation time
- Weather-resistant formula for long-lasting performance
- Can be immersed in water for applications in wet environments
- Chemical curing allows for faster turnaround time
- Withstands pedestrian and vehicular traffic
- UL-listed for fire-rated joints
- Bulk packaging options reduce waste and improve efficiency
Common Applications:
- Expansion joints and control joints
- Panel walls and precast concrete sealing
- Window and door perimeter joints
- Storefront assemblies and parking structures
- Roofing, fascia, and parapet sealing
- Vinyl siding and other exterior joint sealing applications
💡 Available in 1.5-gallon and 3-gallon units, with a 15-month shelf life when stored properly.
