Products > Product Standards FRP Description Product Range Application & Installations Standards Benefits NC-FRP Description Joints & Couplings Shapes / Profiles Manholes Description Fiberglass Reinforced Watertight Structural Manhole System Features & Benefits Product Standards Non-Pressure Sanitary Sewers ASTM D3262 Sewer Force Mains & Industrial Effluents ASTM D3754 Pressure Water Systems AWWA C950 Fiberglass Design AWWA M45 Find Your Sales Rep