Flow pallet racks is used where there are multiple pallets with one type of product. Flow pallet racking works on the FIFO (first-in, first-out) and LIFO (last-in, first-out) principles. They save space and time when handling pallets, because the forklift does not have to enter the aisles.

Flow pallet racks are comprised of pallet racking construction and a contruction with rollers, along which the pallets travel due to the slight slope. It is possible to load the pallets onto the rack in both directions (side and front) – the rail is also designed according to the required load capacity. It is important to use only high-quality and undamaged pallets on the rail. The rails can be supplemented with a pallet separator, entry guides, guides, backstops for the back of the lane, etc. Flow pallet racks are installed with a 3–5° slope. The push-back nesting system is another technical alternative for flow racking on the LIFO (last-in, first-out) principle; it is used when the pallet is loaded onto the rack sideways. This is a nesting system of carts/frames installed in the rack at a slight slope so that the pallet at the back slides to the front. When loading the second pallet, the forklift pushes the pallet that was loaded first towards the back. Moreover, this loading system conserves and does not damage the racking construction. The loading and unloading area is the same place.