According to the standard EN 1433, it supports four loading classes : C250, D400, E600 and F900.
The range consists of 10 channels with 4 widths and 6 heights: 100/55, 100/80, 100/100, 100/160, 150/100, 150/160, 200/100, 200/160, 200/250, 300/300.
It is composed by slotted or square mesh grids realized from nodular cast iron.