Glass Reinforced Plastic (FRP) grating, also known as FRP grid, is a type of plate material composed of many openings, made by specially processed composite of glass fiber as reinforcement and unsaturated polyester resin as matrix. It can be used as a structural material for floors, trench covers, platforms, ship decks, stairs, walkways, etc., in corrosive environments. It features corrosion and flame resistance, non-magnetic insulation, vibrant colors, and a variety of styles and forms available.