Pallets are stored in a block system with fewer aisles. Forklifts drive into the racking to load or retrieve pallets, which are stored on cantilevered rails running throughout the system. The first pallet in is the last one out (FILO) unless a drive-through system is used, whereby pallets can be loaded or retrieved from either side.
Speed of operation is good with standard forklift trucks driving into the lanes to pick and place pallets. It can be further increased by the provision of lead-in rails and guidance rails within the lanes.