Drum & IBC Store - DPU16-4 To Hold 16 Drums Or 4 IBC The base of this unit is manufactured from 3mm mild steel sheet and uses RHS cross members and pressed ribs for additional strength. All the corner posts and shelves, main rails and cross members are manufactured from rolled hollow section and the back, sides and door panels are pressed from 2mm mild steel sheet which is corrugated where required. The sloping roof is pressed and fitted with suitable bracing, welded around the perimeter and fitted with crane lifting points, and the double steel sliding doors run on easy glide track. Constructed from 3mm mild steel, the sump is fully seam welded and fitted with galvanised steel pallet channels (3 per pallet space). The sump as you would expect complies fully with all current UK regulations relating to sump capacities and the underside is fitted with plinths to eliminate contact with ground and reduce the risk of corrosion. Pallets on the upper level sit directly onto a steel support