NITOFILL US 21 is a professional-grade two-component polyurethane injection resin engineered for waterproofing, crack repair, and structural stabilization. Its low-viscosity formulation allows deep penetration into fine cracks and voids, effectively sealing active water leaks while reinforcing concrete structures. Ideal for basements, tunnels, lift pits, retaining walls, and underground applications, it provides durable, long-lasting protection even in wet or underwater conditions. A dependable solution for contractors, infrastructure projects, and structural rehabilitation.
Advantages
- Low-viscosity formula for deep crack penetration
- Effectively seals active water leakage
- Strengthens and stabilizes concrete structures
- Excellent adhesion to concrete and masonry
- Fast-reacting polyurethane injection system
- Suitable for wet, damp, and underwater conditions
- Fills cracks, joints, voids, and cavities effectively
- Long-lasting waterproofing performance
- High chemical and moisture resistance
- Ideal for underground and structural repair applications
- Easy to inject using standard PU injection pumps
- Professional-grade solution for infrastructure projects
