In the complex world of civil infrastructure, aging structures, persistent leaks, and structural deterioration demand reliable repair technologies that deliver long-term performance. Water ingress, cracks, voids, and weakened concrete require advanced injection grouting systems that restore structural integrity while ensuring durable waterproofing.
The Fosroc Nitofill Series offers one of the industry’s most comprehensive portfolios of polyurethane (PU) and acrylic injection grouting systems, engineered for a wide range of waterproofing, crack sealing, and ground stabilization applications. Trusted across tunnels, basements, high-rise buildings, water-retaining structures, and major infrastructure projects, the Nitofill range provides effective solutions for even the most challenging repair conditions.
Challenges in Structural Waterproofing & Injection Grouting
Concrete structures exposed to groundwater, hydrostatic pressure, and environmental deterioration commonly face several issues:
- Active water leakage through cracks and joints
- Structural voids affecting stability
- Groundwater infiltration in basements and tunnels
- Settlement due to weak surrounding soil
- Difficult repairs in inaccessible locations
- Long-term durability concerns
Selecting the right injection grouting material is essential to achieve effective sealing, structural strengthening, and lasting protection.
Nitofill Injection Range
Nitofill PU 1R
A single-component, solvent-free, semi-flexible polyurethane injection resin designed for sealing minor water ingress.
Applications
- Masonry structures
- RCC structures
- Minor leakage sealing
Nitofill PU 11R
A solvent-free, single-component semi-flexible polyurethane resin suitable for underground concrete repairs and waterproofing applications.
Ideal for
- Underground structures
- Building repair
- Concrete crack injection
Nitofill PU 23R (FS & SS)
A two-component rapid-setting polyurethane injection system designed for immediate sealing of heavy water ingress.
Suitable for
- Gushing water leaks
- High-pressure water ingress
- Underground infrastructure
- Emergency leak stopping
Nitofill US21
A solvent-free silicate polyurethane grout developed for soil stabilization and ground consolidation.
Key Features
- High compressive strength (>40 MPa)
- Excellent penetration
- Ground improvement
- Tunnel boring support
- Fault zone stabilization
Nitofill AC 32F
A hydrophilic acrylic gel with ultra-low viscosity that penetrates extremely fine cracks while maintaining flexibility after curing.
Ideal Applications
- Active water leaks
- Hairline crack sealing
- Flexible waterproofing
- Movement joints
Nitofill PU 27R
A polyurethane injection system developed for sealing large water leaks and stabilizing surrounding ground.
Applications
- Large water leakage
- Crack and cavity filling
- Waterproofing
- Ground consolidation
- Soil stabilization
Why Engineers Across India Trust Nitofill
The Nitofill Series has been developed to deliver consistent performance across diverse construction and repair environments.
Key Advantages
- Tested under hydrostatic and chemical exposure
- Comprehensive range for multiple leak conditions
- Customizable gel times for site flexibility
- Compatible with standard injection equipment
- Long-term waterproofing performance
- Reliable structural protection
Built for Professionals Across the Value Chain
Applicators
- Easy mixing
- Fast curing
- Efficient site application
Contractors & Builders
- Reduced repair cycles
- Long-lasting waterproofing
- Lower maintenance costs
Architects & Consultants
- Easily incorporated into waterproofing specifications
- Reliable performance across project types
Civil Engineers
- Scientifically engineered systems
- Proven field performance
- Suitable for demanding infrastructure repairs
Typical Application Areas
The Nitofill Series is suitable for a wide range of repair and waterproofing applications, including:
- Basement waterproofing and crack repair
- Metro tunnels and underground infrastructure
- Tunnel boring (TBM) and NATM applications
- Shaft grouting
- Heritage structure restoration
- Water tanks
- Sewage treatment plants (STPs)
- Lift pits
- PVC membrane waterproofing systems
- Accessible green roof waterproofing
- Ground consolidation and stabilization
Engineered for Reliable Waterproofing & Structural Repairs
Modern infrastructure demands repair solutions that perform reliably under difficult site conditions while extending the service life of valuable assets. The Fosroc Nitofill Series combines advanced polyurethane and acrylic injection technologies to effectively seal leaks, stabilize ground, repair cracks, and protect concrete structures against long-term deterioration.
Whether addressing active water ingress, structural voids, or complex underground waterproofing challenges, Nitofill provides engineers, contractors, and applicators with dependable solutions engineered for durability, flexibility, and performance.
Fosroc Chemicals (India) Private Limited
Address: Embassy Point No.150, 2nd Floor, Infantry Road, Bangalore – 560001
Tel: +91 80 4252 1900 | Fax: +91 80 2228 1510
Email: enquiry.india@fosroc.com | Website: www.fosroc.com
