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Warehouse EfficiencyPublished: August 28, 2026· 6 min read

Warehouse Aisle Width Optimisation: Every Centimetre Counts

We examine the difference between VNA and standard aisle working, the impact of equipment choice on warehouse capacity and net space gains.

Why Is Aisle Width So Important?

Aisle width within a warehouse directly determines total racking capacity. Being able to store 20–30% more pallets within the same floor area can be an alternative to constructing a new warehouse.

Minimum AST Aisle Requirements by Forklift Type

  • Standard counterbalance (3,800 mm): ~5,200 pallet capacity
  • Reach truck (2,900 mm): ~6,800 pallets (+31%)
  • VNA (1,700 mm): ~8,500 pallets (+63%)

Conclusion

Use the PAYYU MATCH AST Aisle Width Calculator to calculate the minimum aisle width suitable for your current operation.