Pultruded grating is through continuous fiber impregnated resin, heat cured pultrusion, continuous molding and then assembled, with a higher intensity. Pultruded grating model number, according to the different cross section of rib is divided into I-beam, T-bar and overweight are three types. General, the entire board pultruded grating maximum width of 5 '(about 1524mm). Molded grating with different, almost all of the pultruded grating will spread the ribs on the surface of sand.