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Using Rationalization to Support Automation in Warehousing

By Glazix | May 29, 2025

Don’t automate chaos—streamline your SKUs first, then scale your warehouse tech.

Automation promises a new era for warehouse operations, but for distributors in the glass, ceramics, and refractories space, too many are rushing to plug in robots without cleaning up the product catalog first. It’s like installing high-end navigation in a car with a cluttered dashboard—you’re still not going anywhere efficiently.

Why Rationalization Must Come First

Warehouse automation—be it pick-to-light systems, robotic pallet movers, or vertical storage lifts—thrives on predictability and repeatability. Overloaded SKU catalogs, on the other hand, introduce:

Complex slotting requirements

Frequent re-slotting due to irregular movement

Increased mis-picks from lookalike SKUs

Poor ROI from automation zones that never see use

For example, a U.S. distributor of insulating firebricks and ceramic fiber modules implemented a high-bay racking system with automation assist. But because 40% of their 2,200 SKUs were low-velocity or redundant, their pick-to-pack efficiency remained flat. After conducting a rationalization process, they removed 500 SKUs and reorganized inventory by pick frequency. Result? A 34% increase in pick productivity and a $175K/year reduction in warehouse labor costs.

Simplified SKU Sets = Cleaner Automation Mapping

When your SKU set is trimmed to fast movers and organized logically (by weight, frequency, packaging type), automation systems operate with fewer disruptions. Conveyors, lifts, and robotics can be optimized around A/B SKUs, minimizing reprogramming and slotting errors.

Smarter Slotting = Smarter Robots

Automated systems need clear logic: SKUs with similar demand profiles should be co-located; bulky or fragile items like large-format laminated glass must be separated from quick-turn items like ceramic burner tips. SKU rationalization makes that clarity possible.

Integrating ERP Data with Warehouse Control Systems

ERP integration becomes cleaner with fewer SKUs. Real-time data flow between order management and warehouse control systems (WCS) is easier when you’re not tracking dozens of nearly identical variants with inconsistent naming conventions.

Change Management Matters

Automation is a major shift for most warehouses—don’t let a bloated SKU list slow it down. Use rationalization to train teams, clarify slotting logic, and build SOPs before bringing in machinery. Tech enables efficiency—but only when the product environment supports it.

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Before you automate your warehouse, clean your catalog. SKU rationalization is the foundation for scalable, reliable automation. In a business where fragile products and space constraints already challenge efficiency, lean SKUs mean smarter tech, faster fulfillment, and lower costs.


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