Key Features
- High resistance to corrosion, sewage gases, and aggressive chemicals
- Seamless, joint-free construction prevents infiltration and exfiltration
- Smooth inner surface improves hydraulic efficiency
- UV and impact resistant for long-term performance
- Lightweight for easy transportation and installation
- Can be integrated with benching, inverts, and steps
- Available in cylindrical, tapered, or custom profiles
Benefits
- Extends the service life of sewer systems without full replacement
- Reduces infiltration of groundwater and risk of contamination
- Simplifies and accelerates installation, especially in congested urban areas
- Virtually eliminates the need for future maintenance
- Compatible with trenchless rehabilitation methods like slip-lining
- Improves flow characteristics and reduces blockage risks
Applications
- Municipal sewer and stormwater manholes
- Industrial effluent collection points
- Pump station access structures
- Inspection chambers in utility corridors
- Rehabilitation of existing RCC or brick manholes
- Coastal and marine wastewater networks
Technical Specifications
- Diameter Range: 600mm to 3200mm
- Standard Height: Up to 12 meters (custom lengths available)
- Wall Thickness: Designed based on load class and installation depth
- Material Options: Isophthalic Polyester, Vinyl Ester, Bisphenol resins
- Joining System: Flanged, spigot-socket with gaskets, or laminated joints
- Standards: ASTM D3753, BS EN 15383, ISO 16611
Unique Selling Points (USPs)
- Custom-fabricated liners with integrated base, shaft, and cover slab interface
- Eliminates groundwater infiltration and root intrusion
- Lightweight, non-corrosive, and easy to handle on-site
- Designed for structural loads, traffic loads, and hydrostatic pressure
- Compatible with existing sewer infrastructure for quick retrofit
- Long operational life even under aggressive sewer and coastal environments