Double Deep Pallet Racking

Double Deep Pallet Racking

Although not a truly selective system, Double Deep Racking offers many companies a cost effective method of bulk storage. Access and stock rotation is compromised compared to Selective Pallet Racking,

However cube utilisation is much higher. Specially designed forklifts use a variety of doubledeep reach mechanisms to allow easy placement and retrieval of pallets.

Storing pallets two-deep for better capacity:

  • Double deep racking stores two pallets deep in a single entry rack or four pallets deep in a double entry rack.
  • This system requires the use of a special reach fork lift truck with either dual pantograph or sliding fork attachments.
  • Double deep racking improves storage density with fewer aisles and more storage locations. This reduces the aisle to rack ratio but also reduces selectivity (FIFO).
  • Truck lift heights are limited by load, to about 9 metres.
  • The upper levels can be fitted with front to back guide rails to assist the operator to locate and place a pallet at height. The bottom beam must be sufficiently clear of the ground to allow the reach trucks legs to pass under it.


  • Storage density increased as rack aisle ratio changes from selective racking.
  • 50% immediate accessibility with reasonable stock rotation.
  • Good use of all available locations, typically 90%.
  • Safe and secure handling with the bottom pallet usually off the ground.
  • Ability to use double deep handling equipment for other tasks.
  • Best used when each SKU has several pallets.


  • Greater use of available headroom
  • Good access to 50% stock locations
  • Enables stock rotation
  • Efficient in operation
  • Relatively low cost racking system
  • 40% increase in storage capacity

Average of locations used - efficiency:
Immediate access to stored product:
Stock Rotation:
Floor Utilisation:

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