Product Slotting
The saying "A place for everything, and everything in its place" almost sums up the idea behind warehouse slotting and profiling. A more accurate version might be, "An ideal place for everything, and everything in the most efficient place."
Product Slotting in a Warehouse
Overview
Product slotting is a practical, low-cost way to improve warehouse productivity without
changing existing infrastructure. By reducing picker travel and improving pick-face
efficiency, productivity gains of 15–25% are commonly achievable.
What Is Product Slotting?
Product slotting involves placing SKUs in optimal warehouse locations so frequently
picked items are easy to access. While typically focused on the pick face, slotting
principles can also improve putaway, bulk storage and replenishment efficiency.
Key Benefits
Effective slotting improves warehouse performance by delivering:
- Faster order picking
- Reduced product damage
- More efficient replenishment and put-away
- Ongoing optimisation of pick-face design
These improvements often create positive flow-on effects across other warehouse
processes.
Slotting Best Practices
Start with Activity Analysis
Focus on the 20% of SKUs that generate 80% of picking activity. Position these fast-
movers near dispatch and within the “golden zone,” while avoiding congestion by spreading high-volume items where necessary.
Allow for Special Storage Needs
Group products with specific requirements—such as hazardous, high-value, or
temperature-sensitive goods—into dedicated, appropriately equipped zones.
Group by Picking Patterns
Items frequently picked together should be slotted close to one another, balancing
product family grouping with pick velocity.
Use Velocity-Based Slotting
Apply ABC analysis to prioritise high-frequency picks. Where many fast-movers exist,
distribute them to prevent bottlenecks and align slotting decisions with your picking
method.
Optimise Vertical and Horizontal Placement
Place fast-movers at lower, more accessible levels and slow-movers higher. Smaller
warehouses can manage this manually; larger operations benefit from slotting software.
Plan for Change
Review slotting regularly using both historical and forecast demand. Focus on SKUs that
significantly impact labour, cost, and throughput rather than assigning unique slots to
every item.
Slotting Software
Slotting tools—either standalone or within a WMS—require accurate data, including
SKU velocity and dimensions, warehouse and slot dimensions, picking levels, product
families, and special storage requirements.
How Logistics Change Can Help
Product slotting delivers substantial gains in picking, replenishment and putaway
productivity. Logistics Change provides tailored slotting analysis and support —
whether for a one-off review or ongoing optimisation
Services
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