1)FRP grating sewage pool cover 2)Chemical/ Corrosion Resistant 3 ... sewage treatment plant.A, Features of frp grating cover:a) Corrosion Resistantb) Fire Retardantc) Impact Resistantd ... to Installj) Easy to MaintainB, ApplicationFrp grating cover are often used in the fields of Petrochemical ... Platform, Terrace, Stair Steps, Equipment Aisle, Trench Cover, Boat Deck, Ventilation Grid, Fence and so on ...