FAQ
Essential FAQs on Pallet Racking Systems
Pallet racking is critical for optimizing your warehouse efficiency and safety. Below, we address the most questions based on industry standards and operational realities.
The deciding factor is your SKU velocity and variety.
- Choose Selective Racking if: You handle a high variety of SKUs with low-to-medium volume per SKU. It offers 100% accessibility, meaning you can reach any pallet at any time without moving others. This is ideal for "First-In, First-Out" (FIFO) inventory management.
- Choose High-Density Racking (Drive-In, Push-Back) if: You have few SKUs but large quantities of each. These systems sacrifice immediate accessibility for maximized storage density, often utilizing a "Last-In, First-Out" (LIFO) method.
Aisle width is dictated by your forklift equipment, not just the rack itself.
- Wide Aisles (12ft+): Standard counterbalance forklifts.
- Narrow Aisles (8ft-10ft): Reach trucks.
- Very Narrow Aisles (VNA, <6ft): Turret trucks or order pickers (often requiring wire guidance systems).
- Always measure your forklift’s "Right Angle Stack" specification and add 6–12 inches for operator clearance before finalizing your rack layout.
In the US (especially California) and other seismic regions, racking must be engineered to withstand ground acceleration. This isn't just a legal requirement; it changes the hardware.
- Identify Pallet Weight: Determine the maximum weight of your heaviest pallet.
- Pallets Per Level: Decide how many pallets will sit on one beam level (usually two).
- Calculation: If your heaviest pallet is 2,000 lbs and you store two per level, you need a beam capacity of at least 4,000 lbs.
- Critical Safety Note: Load capacities assume the weight is uniformly distributed. Point loads (uneven weight distribution) can significantly reduce effective capacity.
We strongly advise against this. While many "teardrop" styles look compatible, minor variations in steel gauge, connector tolerance, and locking mechanisms exist. Mixing brands can:
- Void manufacturer warranties.
- Compromise the structural integrity calculation (RMI standards).
- Create significant liability issues during safety audits.
If your warehouse is located in a seismically active zone, your racking requires specialized engineering. This often includes:
- Larger footplates (base plates) for anchoring.
- Heavier gauge steel for uprights.
- Specific beam-to-column connector locks.
- Always consult a local engineer to ensure compliance with local building codes.
Used racking can save you 30-50% upfront, but it requires rigorous inspection.
- Buy Used If: You are buying from a reputable dealer who certifies the condition, checks for rust/structural damage, and guarantees the brand/compatibility.
- Buy New If: You have a custom warehouse layout, require high seismic compliance, or need a specific warranty for long-term capital asset depreciation. Hidden costs in used racking (like repainting, sourcing missing safety clips, or mismatched components) can sometimes erode the initial savings.
Smart budgeting requires looking beyond the material cost. Key add-ons include:
- Freight: Steel is heavy and bulky; shipping costs can be substantial.
- Installation: Professional installation ensures safety and compliance (typically 15-25% of material cost).
- Permitting: Local municipalities often require permits for high-pile storage, which involves engineering calculation fees.
- Safety Accessories: Don't forget to budget for column protectors, end-of-aisle guards, and wire decking, which are crucial for protecting your investment.
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