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How to Choose the Best Racking System for Your SKU Mix

  • Dan Cook
  • Oct 18
  • 2 min read
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Choosing the right racking system is one of the most impactful decisions you can make in a warehouse operation. It affects everything from throughput and labor efficiency to safety and scalability. But the best racking system isn’t just about space—it’s about your SKU mix.

Here’s how to approach racking selection with your SKU mix in mind.


1. Understand Your SKU Profile

Before evaluating racking options, you need a clear picture of your SKU mix:

  • Dimensions: Are your SKUs uniform or varied in size?

  • Weight: Are you storing lightweight pet accessories or heavy bulk items?

  • Velocity: Which SKUs move fast (high-turn) and which are slow movers?

  • Storage Requirements: Do any SKUs require temperature control, special handling, or secure storage?

This data helps determine not just the type of racking, but how it should be configured.


2. Match SKU Velocity to Racking Type

Different racking systems serve different operational needs:

  • Selective Pallet Racking: Ideal for high-turn SKUs with frequent access. It’s flexible and cost-effective.

  • Push-Back Racking: Great for medium-turn SKUs. It allows multiple pallets deep while maintaining selectivity.

  • Drive-In/Drive-Through Racking: Best for low-turn, high-volume SKUs. It maximizes space but limits access.

  • Carton Flow Racking: Perfect for pick-heavy operations with small, fast-moving SKUs.

  • Cantilever Racking: Suited for long or irregularly shaped items like pet gates or grooming tables.


3. Consider SKU Growth and Seasonality

Pet brands often experience seasonal spikes or product line expansions. Your racking system should be adaptable:

  • Modular designs allow for easy reconfiguration.

  • Dynamic slotting strategies can optimize space as SKU velocity changes.

  • Temporary overflow solutions like pallet racking with open bays can help during peak seasons.


4. Factor in Picking Strategy

Your picking method—whether it’s case picking, piece picking, or pallet picking—should influence racking design:

  • Piece picking benefits from flow racks and pick modules.

  • Case picking may require shelf-level access and ergonomic design.

  • Pallet picking demands wide aisles and lift truck compatibility.

Aligning racking with your picking strategy reduces travel time and increases throughput.


5. Don’t Forget Safety and Compliance

Racking systems must meet local building codes and OSHA standards. Consider:

  • Load capacity and seismic ratings

  • Rack protection (end-of-aisle guards, column protectors)

  • Fire suppression access

  • Employee training on rack safety

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