Floor loading
Also called: floor loaded, floor stacking in a trailer, loose loading
Floor loading is shipping cases or bags stacked directly on the floor of a trailer or container, without pallets. It fits more product in the vehicle but must be loaded and unloaded by hand or with special equipment. The term is also used for the load a floor can bear per unit area.
In depth: Slip sheet: the thin pallet alternative, sizes, tabs and materials
Floor loading trades labor for space. Without pallets, the full height and floor area of the container hold product.
Floor loading vs palletized
| Factor | Floor loaded | Palletized |
|---|---|---|
| Cube utilization | Higher; no pallet height or footprint gaps | Lower |
| Loading and unloading | Hand labor or conveyors; slower | Forklift; fast |
| Product damage | More handling per case | Less handling |
| Pallet cost and ISPM 15 | None | Pallet cost; wood pallets need ISPM 15 for export |
| Receiving | Receiver must accept floor-loaded freight | Standard |
When it is used
Floor loading is common for ocean containers of light cartons, where the extra cube outweighs the labor cost, and for bagged or bulk goods. Slip sheets are a middle option: nearly the same cube as floor loading, with mechanical handling by a push-pull attachment.
The other meaning
In warehouse and building design, floor loading means the load a floor can safely carry, in lb/ft² or kN/m². Mezzanines, upper floors and some container floors have limits. Heavy pallet loads on small bearing areas, such as a block pallet with a heavy load, concentrate force. The structural engineer or container owner gives the rating.
On a spec sheet or RFQ
If you are comparing floor loading with palletizing, compare total landed cost: freight per unit, labor at both ends, damage and pallet cost.
Common confusions
Floor loading is not block stacking, which stacks palletized loads on a warehouse floor.
Related
- GlossaryCube utilizationCube utilization is the share of the available volume, in a pallet footprint up to its height limit, a trailer or a container, that is actually filled with product. It is usually expressed as a percentage.
- TypesSlip sheet: the thin pallet alternative, sizes, tabs and materialsA slip sheet is a thin sheet of solid fiberboard, corrugated board or plastic used under a unit load instead of a pallet. A push-pull lift truck attachment grips its tab and pulls the load onto its platens. Sheets for a 40 × 48 in load are commonly 43 × 51 or 44 × 52 in with 3–4 in tabs.
- GuidesHow many pallets fit in a 20 ft and 40 ft container?A 20 ft container fits 11 EUR pallets (1200 × 800 mm), 9 pallets of 1200 × 1000 mm and 9 to 10 US 48 × 40 pallets on the floor. A 40 ft or 40 ft high cube fits 23 to 25 EUR, 20 to 22 of 1200 × 1000 mm and 20 to 21 of 48 × 40. The inside width of 2.35 m (92.6 in) is what limits most layouts.
- GlossaryFTL (full truckload)FTL (full truckload) is a shipment that uses a dedicated trailer from origin to destination, with no terminal handling. A 53 ft dry van takes 26 standard 48 × 40 in pallets loaded straight or 30 turned, single stacked, subject to the legal weight limit.
- ComparisonsPallet vs slip sheet: cost, cube and handling comparedChoose a slip sheet when you ship high volumes in containers or trucks, both ends have push-pull forklift attachments, and saving weight, cube and pallet cost matters. Choose a pallet when the receiver handles with standard forks or pallet jacks, loads are racked, or handling equipment is unknown.
More in Loading and shipping
- GlossaryColumn stackingColumn stacking is a stacking pattern where every case sits directly on top of the case below, with corners and walls aligned through the full height of the load. It keeps the most compression strength but is less stable than interlocking.
- GlossaryFreight densityFreight density is the weight of a shipment divided by the volume it occupies, measured at its outside dimensions with the pallet included. In the US it is given in pounds per cubic foot (pcf) and is the main factor in most LTL freight classes.
- GlossaryInterlocking stackingInterlocking stacking is a stacking pattern where alternate layers are rotated or shifted so each case bridges the joints between cases in the layer below, like bricks in a wall. It ties the load together but reduces compression strength compared with column stacking.
- GlossaryLoad barA load bar is an adjustable steel or aluminum bar fixed across the inside of a trailer or container, either wedged between the walls or locked into wall track, to keep pallets from sliding during transit. Horizontal decking beams also let a second tier of pallets be carried.
- GlossaryLoad overhangLoad overhang is any part of a unit load that extends beyond the edges of the pallet's top deck. Unsupported case edges lose compression strength, get damaged in handling, and increase the measured size of the shipment.
- GlossaryLTL (less-than-truckload)LTL (less-than-truckload) is freight too small to fill a trailer, shipped alongside other shippers' loads and moved through carrier terminals. It is priced by weight, distance, freight class and accessorial services, so pallet size and density affect the cost.
Last reviewed 2026-09-24. 258 words.