Attic Duty Rack Attic duty racks form floor support by themselves and can be designed as multiplayer floors (normally2-3layers);staircase, railing and elevators are provided; suitable for higher warehouse, light goods manual handling and large storage capacity; Floor supporting racks have complete sizes and models; floors can be flat plates checkered plates, steel chromium plates and wood plates Parts: upright poles, stairs, flat plates, checkered plates steel chrominum plates, protecting columns etc. Material: Q235 Max load capacity: 5000kg