Finding the right racking system can transform how efficiently your warehouse operates. In New Zealand’s fast-moving logistics and manufacturing sectors, businesses are rethinking how they use floor space, especially as e-commerce and 3PL demand continue to surge. Both stackable racks and pallet racking have their place, but which one suits your operation best?
The Growing Demand for Smarter Storage
New Zealand’s logistics market is projected to reach USD 18.5 billion by 2025 with a forecast annual growth rate of around 3.5%, driven by infrastructure investment and e-commerce expansion.
At the same time, online retail is expected to exceed NZD 5 billion by 2029, further increasing demand for warehouse space and flexible storage solutions.
Meanwhile, compliance requirements have tightened: the standards AS 4084.1:2023 (design) and AS 4084.2:2023 (operation & maintenance) now govern pallet racking, requiring annual independent inspections in NZ.
Seismic design remains a key factor in warehouse racking choices because of New Zealand’s geology.
With these forces at work, storage systems must balance capacity, selectivity, safety, and flexibility.
What Are Stackable Racks?
Stackable racks (also known as portable racks or stillages) are freestanding steel frames that can often be stacked or nested when not in use. They are forklift-movable, flexible, and typically require less structural anchoring than fixed pallet racking.
Best for:
- Seasonal or project-based inventory that needs rapid re-configuration.
- Warehouses that prefer no-consent or minimal-consent installations (depending on local building rules).
- Overflow, staging areas or operations with changing SKU profiles rather than fixed high-throughput lanes.
Key advantages:
- Rapid deployment and relocation.
- Flexibility to collapse or nest when not needed.
- Lower initial structural commitment compared to full pallet racking systems.
What Is Pallet Racking?
Pallet racking refers to fixed, engineered racking systems designed to hold pallets safely and efficiently, typically in high-density, high-throughput environments. Selective pallet racking is the most common format in NZ warehouses, offering full access to each pallet/slot.
Best for:
- Facilities with consistent SKU/pallet demand and ongoing throughput.
- Operations requiring compliance with NZ standards like AS 4084 and seismic/anchoring design.
- Long-term investments in warehouse infrastructure.
Key advantages:
- Strong load capacity and engineered performance.
- Predictable maintenance and inspection regimes (part of AS 4084.2).
- Optimised for forklift traffic, high selectivity, and vertical utilisation.
Comparing Stackable Racks and Pallet Racking
| Feature | Stackable Racks | Pallet Racking |
| Installation & structural commitment | Relatively low; often no fixed floor anchoring; moveable | Requires engineered design, anchoring, often needing building consent |
| Flexibility / mobility | High – can reconfigure, move, collapse | Medium to low – layout changes are costly and complex |
| Compliance & inspections | Fewer regulatory hurdles (depends on use) | Must meet AS 4084.1 & AS 4084.2:2023 with annual inspections |
| Cost (NZD ballpark) | Lower upfront cost – e.g., NZD $350–$800 per unit (stillage) | Higher – e.g., NZD $100 – 120 per pallet location including installation |
| Best use case | Temporary, seasonal, overflow, flexible layouts | Core warehouse footprint, high throughput, long-term use |
| Maximising selectivity & density | Limited compared to engineered racking | Higher selectivity and density possible |
Key Considerations for NZ Warehouses
- Seismic Safety: New Zealand’s earthquake risk means pallet racking must adhere to seismic bracing, anchoring and engineering documentation. Stackable racks still need safe stacking and face less local building constraints.
- Building Consent & Permits: Fixed racking often triggers building consent requirements; stackable racks may be exempt or easier to install, which speeds deployment.
- Maintenance & Audit Regime: Under AS 4084.2:2023, fixed pallet racking must undergo independent inspections every 12 months, plus well-documented internal inspections. Neglecting this can lead to safety and insurance exposure.
- Operational Downtime & Flexibility: Installing fixed racks often requires downtime; stackable racks allow faster deployment and less interruption.
- Floor Space & Access: Stackable racks can be nested or collapsed when idle, freeing up space; fixed racking occupies longer-term real estate.
- Load Profile & SKU Mix: If you have large volumes of pallets, high throughput, little change in SKU, fixed racking is likely better. If volumes fluctuate, SKUs change, you need flexibility – stackable may be more appropriate.
- Mixed goods: If you store long-goods (timber, steel, pipe), consider that cantilever racking may be the correct system for those load types, in addition to your main pallet or stackable systems.
Industry Trends: Hybrid Storage is Rising
In NZ, warehouse operators increasingly adopt a hybrid storage strategy: a fixed pallet racking core (for stable inventory), and stackable racks (for overflow, campaign stock, project equipment). This gives the benefit of compliance and density from the pallet racking with the flexibility and cost-efficiency of stackable racks.
Furthermore:
- There’s growing use of galvanised/ outdoor-rated stillages for materials handling in outdoor or wet environments (construction, agriculture).
- The demand for multiload systems (long goods) is increasing, hence searches for “cantilever racking NZ” are rising.
- Automation-ready racking (ASRS, shuttle systems) continue to grow in larger NZ warehouses, though this is layered on top of well-engineered pallet racking rather than stackable racks.
Practical Example: Sika NZ Case Study
Here’s a snapshot from the Sika NZ project to illustrate how a large-scale operation implemented pallet racking with precision:
- Client: Sika NZ – Auckland (Avondale facility).
- Project scope: Approximately 313 custom-designed pallet racking bays delivering ~5,000 pallet positions.
- Challenges: Tight timeline linked to building consent, high capacity requirement, structural variances in the building required on-the-fly adjustment.
- Solution: Storepro developed a tailored system – 3,230 mm aisle widths for forklift flow, full compliance certification, adaptive design real-time modifications to accommodate oversized/tapered building columns.
- Outcome: Completed in just two weeks, ahead of schedule, delivered increased storage density without compromising safety or access.
- Take-away: This demonstrates how an engineered pallet racking system can meet strict timelines, large capacity demands and compliance needs — the kind of benefit you expect when committing to the fixed racking system.
The Cost Equation
While a fixed pallet racking system demands a higher upfront investment (engineering, installation, inspection), it often delivers long-term ROI through durability, density, and compliance. Stackable racks, by comparison, offer a lower entry cost and quicker deployment — particularly useful for operations that face seasonal peaks or projects.
As just one ballpark guide in the NZ market: pallet racking starter bays might run NZD from $80 – 120 per pallet location , while stackable stillages could cost NZD $350-$800 each, excluding install, freight and other variables. Choose a system aligned with your operational profile.
Which Should You Choose?
- Choose stackable racks if you need quick, flexible, temporary (or semi-permanent) storage with changing SKU profile or seasonal demand.
- Choose pallet racking if you need a long-term, high-throughput solution, full compliance, and maximised storage efficiency.
- Many operators in New Zealand adopt a hybrid model: fixed racking for core inventory + stackable racks for flexibility.
- For specialized loads (long goods, lengths, pipes, timber) include cantilever racking NZ into your planning.
Final Thoughts
As New Zealand’s logistics, manufacturing and warehousing sectors evolve, your storage choice must keep pace, not only with space and cost pressures but also regulatory, safety and seismic design requirements. Whether you’re expanding a 3PL facility, retrofitting an existing warehouse, or planning for seasonal peaks, the choice between stackable racks and pallet racking should be guided by how you operate and not just what you store.
At Storepro, we’ve helped hundreds of NZ businesses with everything from stackable racks to AS 4084-compliant pallet systems, tailored to local conditions. If you’re planning a storage upgrade or revisiting your layout, our team can help you choose the right combination to maximise space, efficiency, and compliance.