Frp grating is a fiberglass reinforcement plastic grating by interweaving continuous fiberglass roving impregnated with unsaturated polyester resin. It is made by hand-lay up.our gratings guarantee the best mechanical properties in bi-directions.good chemical resistance can be achieved by superior polyester rein. Application forever gratings are especially suitable for applications in corrosive envirement.assembly linescatwalksflooringplatformsrampsstairstrench coverswalkways feature corrosion resistancefire resistancefading resistancehigh strengthlight in weightnon-conductivenon-sparklenon-magneticmaintenance freedomimpact absorbingthermal stability