03/09/2026
In a cold store, the densest storage system on paper isn't always the one that delivers the best ROI. It comes down to the number of SKUs you are storing and the complexity of throughput for each.
Take drive-in racking. For the right profile, few products, high volume per line, steady movement, it's an excellent use of cold space: deep lanes, minimal aisles, a lot of pallets per square metre, and low cost per pallet position.
When the stock suits it, it can be the right call, and we install it for precisely those situations.
The key word is suits.
If you take the same system and try to store a wide range of SKUs, each with different demands and throughputs, you get an entirely different result.
Each lane is tied to a single product, so with lots of part-used lines you get honeycombing: positions that are technically occupied but can't be filled, refrigerated around the clock while earning nothing.
Same racking, same pallet count on the drawing, very different real-world utilisation.
That's the distinction that matters in a freezer, where every cubic metre is chilled to minus 25. Density is how much you can fit in. Utilisation is how much you can actually use at any moment.
Drive-in, push-back, mobile, shuttle and full automation each deliver a different amount of usable cold volume for a different stock profile. There's no single best system, only the best fit.
Which is why we start every cold store project with the data: the SKU profile, the movement patterns, the throughput. Get that right and the system often chooses itself.
If your SKU range has grown since your racking went in, is it still the right fit?