The RFG-Grating Series Fiberglass Grating is a polyester reinforced sum grate material that is used for pool sump covers where a large open area is desired.  This product is extremely strong and lightweight and can be cut on site to virtually any size requirement. The RFG-Grating Series is a  high strength polyester reinforced plastic with balanced glass-to-resin ratio for optimum corrosion resistance and strength. The unit is dark grey color for minimum visual intrusion with 1-1/2″ square hole pattern for maximum flow through area. Size as indicated on shop drawing. (Standard sheet: 96″ x 48″).  Please refer to the cut sheet for additional information. Documentation & Downloads 3.804 RFG-Grating Series Fiberglass Grating Cad File DWG | 4 MB 3.804 RFG-Grating Series Fiberglass Grating Cut Sheet PDF | 178 KB