Product Description Product Description EN124 SMC/BMC Fiberglass Durable water grate /GRP/frp sewer drain manhole cover BMC composite manhole covers is a new process of making manhole covers. It was made from pure resin and poly fiber with steel frame inside. This innovative material can provide a high quality standard of using Product name : FRP/GRP manhole cover Shape: round ,square or customized Temperature: -50-150℃ Material: SMC resin /BMC resin/GRP/FRP Packing by pallet Application:Landscape area, parking lot, high-grade residence and business center Loading class: A15, B125, C250, D400 Life time: more than 30 years. Delivery time: According your order quantity. Logo: customized.