Mezzanine Racking Systems: Double Your Warehouse Space

← Back to Blog

When your warehouse is running out of space, the instinctive solution is to find a bigger building. But there's a smarter, more cost-effective alternative: mezzanine racking systems. By utilizing the vertical space you already have, a mezzanine can double or even triple your usable floor area — without a single square meter of construction work.

What Is a Mezzanine Racking System?

A mezzanine racking system is a multi-level storage platform built on top of or integrated with a pallet racking structure. It creates an intermediate floor between the ground level and the ceiling, effectively adding one or two additional levels of usable space.

Mezzanines are commonly used for:

• Additional storage of lighter, hand-loaded goods
• Office space overlooking the warehouse floor
• Picking and packing stations
• Archives, spare parts storage, or equipment rooms
• E-commerce order fulfillment areas

Types of Mezzanine Racking Systems

1. Racking-Supported Mezzanine

The most common type. The mezzanine floor is supported by the pallet racking uprights below. This design is ideal when you need both heavy pallet storage on the ground floor and lighter storage or workspace on the upper level.

2. Standalone Mezzanine

Built with its own independent steel column structure, not connected to racking. Best suited for creating office spaces, break rooms, or light assembly areas above warehouse floor space.

3. Shelving-Supported Mezzanine

Uses medium or longspan shelving as the support structure. Ideal for small parts storage, retail backrooms, and e-commerce fulfillment centers with high SKU counts but lighter items.

4. Two-Stage (Double-Decker) Mezzanine

For warehouses with ceilings of 7+ meters, a two-stage mezzanine creates three levels of storage. This maximizes every cubic meter of your building volume.

Key Design Parameters

Load Capacity

Application	Recommended Load	Floor Type
Storage (boxes, cartons)	300 - 500 kg/m²	Cold-rolled steel floor / checker plate
Office / workspace	250 - 350 kg/m²	Particle board with steel facing
Heavy storage (pallets on top)	500 - 1,000 kg/m²	Steel plate / grid flooring
Light picking / assembly	200 - 300 kg/m²	Grating / perforated steel

Ceiling Height Requirements

• Single-level mezzanine: Minimum 4.5m clear height (2.2m lower + 2.0m upper + structural depth)
• Two-stage mezzanine: Minimum 7.0m clear height
• Three-stage mezzanine: Minimum 9.0m+ clear height

Rule of Thumb: A mezzanine typically costs 20-30% of what a building extension would cost, while delivering 80-100% of the additional space. The ROI is usually realized within 12-24 months.

Mezzanine Floor Options

The choice of flooring material affects load capacity, fire rating, and usability:

• Cold-rolled steel floor: Most popular for storage. High strength, fire-resistant, compatible with forklifts
• Steel checker plate: Anti-slip surface, ideal for areas where workers walk frequently
• Steel grating: Allows light and sprinkler penetration; good for fire safety compliance
• Particle board with steel facing: Smooth surface for offices and workstations

Safety Features

Mezzanine systems must include comprehensive safety features:

• Guardrails: Minimum 1.05m high on all open edges (1.1m per EN standards)
• Toe boards: 100-150mm high to prevent items from falling off the edge
• Stairs or ladders: Properly designed staircases with handrails (not just ladders for regular access)
• Fire protection: Fire-rated flooring and sprinkler systems as required by local codes
• Load signage: Clear load capacity placards at all access points
• Gates: Safety gates at pallet drop-off points to prevent falls

Benefits of Mezzanine Racking

Why are mezzanine systems so popular across industries?

1. Cost-effective expansion: 60-80% cheaper than building extensions or relocating
2. Flexible and relocatable: Can be disassembled and reinstalled at a new location
3. Minimal disruption: Installation typically takes 1-3 weeks, with limited impact on daily operations
4. Customizable: Can be designed to fit any warehouse shape and height
5. Scalable: Start with one level and add more as your business grows
6. Improved organization: Separate fast-moving and slow-moving inventory across levels

Industries That Benefit Most

• E-commerce: High SKU count, need for picking stations and packing areas
• Automotive: Spare parts storage with organized, accessible shelving
• Retail: Backroom storage above retail floor space
• Pharmaceutical: Clean, organized storage with temperature-controlled upper levels
• Food & Beverage: Additional storage for packaging materials and finished goods

Boracs Mezzanine Racking Solutions

Our mezzanine racking systems are custom-engineered for your specific requirements:

• Full structural engineering calculations and drawings
• Load capacities from 200 to 1,000+ kg/m²
• Multiple floor panel options for different applications
• Integrated stairs, guardrails, and safety gates
• Compliant with EN 15512 and local building codes
• Professional installation support worldwide