Covered grating is one piece molded grating combined the solid surface of plate and the structural support of molded grating. The ideal applications are additive storage areas, assembly lines, flooring and platforms. Normally there are three different surface: gritted top cover, plain top cover, chequered plate cover, gritted top surface is standard on all covered gratings, it is a safety walking surface. The standard plate thickness is 3mm, but other thickness are available for customers’ special requirement.