Long materials taking up too much floor space? 3 common storage mistakes

The first pitfall: judging storage only by length

A 6-meter pipe is not just 6 meters long. In the warehouse, it also needs safe overhang, lifting clearance, turning space, and access for the next picking operation. When teams only count running meters and ignore the total occupied area, the result is predictable: the floor fills up, the aisle narrows, and every movement requires additional handling.

Horizontal floor stacking is usually the fastest way to create this problem. The stack may look simple from a distance, but the real costs show up in crushed bottom layers, bent edges, more difficult picking, and more rework. As a general rule of thumb: the longer and more flexible the material, the more valuable a defined structural support point becomes.

The second pitfall: mixing lengths and categories in one zone

Many long-material areas start with a simple rule: "Group similar items together." That sounds practical but often fails when the warehouse handles different diameters, lengths, and customer batches at the same time. Without a clear classification rule, operators spend more time searching than storing.

A clean system typically classifies long material by at least four levels: length, cross-section or diameter, batch/customer, and status. For example, incoming material, reserved stock, picked stock, and returns should not share the same visual logic. Once the zone logic is clear, the warehouse can keep the floor open and reduce accidental mis-picking.

The third pitfall: ignoring the return flow of empty carriers

Long-material storage is not only about the loaded condition. It also includes returning empty carriers, interim storage, and the cycle between locations. If the storage method is not stackable, nestable, or efficiently returnable, the warehouse saves space at the front and loses it at the back.

This is where the concept of a demountable rack comes in. A structurally supported, movable rack allows the warehouse to take long material off the floor; a stackable or nestable empty frame can then reduce reverse logistics volume. In practice, this helps the operation keep both the full and empty flow under control.

What to check for vertical storage

• Confirm the actual length, not just the nominal dimensions on the label.
• Check how much overhang is acceptable and where the support points should sit.
• Allow sufficient aisle width for forklift entry, turning, and picking confirmation.
• Use a consistent code rule for length, diameter, batch, and status.
• Set a visible label position so operators can identify stock without rework.
• If the rack circulates between locations, plan the return and nesting logic before the first batch is stored.

When Derack fits well and when it does not

Derack is a good choice when the main issue is floor overcrowding and the operation needs a movable, stackable, returnable carrier for long materials. It is especially useful when the warehouse wants to shift from floor stacking to structured storage without installing fixed racks.

It is not a universal answer for every product. Very small loose items, highly fragmented picking operations, or situations that require fixed shelving may need a different storage system. The right choice depends on material length, handling method, turnover frequency, and whether the empty carrier must come back.

Conclusion

Long-material warehouses usually do not have too little space because the building is too small. They have too little space because floor stacking hides the actual space requirement. Once the operation stops stacking everything horizontally and classifies stock clearly, the warehouse can reclaim aisle space, reduce damage, and make picking easier.

If you want to review a long-material area and compare a structural storage approach with your current layout, the next step is to examine the rack structure, classification rule, and return flow together—not separately.

FAQ

Why does horizontal stacking feel efficient at first?

Because it is easy to place material on the floor quickly. The problem appears later: the stack spreads into the aisle, access slows down, and the risk of damage increases as the stack grows.

What is the main benefit of moving long material into a rack system?

It converts the load from floor-dependent storage into structural support. This typically improves visibility, handling order, and space recovery at the same time.