Fiberglass Manhole Liners

FRP Manhole liner is a protective layer installed inside existing manholes to restore, reinforce, or protect the structure. These liners are used to address issues such as corrosion, leakage, structural damage, and infiltration of groundwater.

General Specifications
Material Fiberglass Reinforced Polyester
Diameters (mm) 1200 – 3700 mm
Height 1000 mm to 6500 mm (Customized)
Thickness Minimum 6 mm and maximum as per requirements
Surface Smooth Finish inside, Little rough outside
Color Natural color of Resin


Applicable standards

ASTM D 3753/12 Standard
ASTM D 256/06 Impact Resistance
ISO 75/04 Temperature of deflection

Physical Properties

Impact proof
High temperature & Heat Resistance
Salts and chemical resistance
Self-extinguishing
Vermin, Dust  and Weather Proof

 

Applications
§  Sewer Systems
§  Stormwater Drainage
§  Industrial Facilities
§  Coastal Areas

Key features

  • Corrosion Resistance
  • Leak Prevention
  • Structural Reinforcement
  • Ease of Installation
  • Extended Lifespan
  • Reduced Maintenance Costs
  • Improved System Performance
  • Environmental Protection