What are cantilever racks and which goods are they best suited for? A complete guide for warehouses and production

In warehouse logistics, there are goods that, due to their specific nature, pose a challenge to standard storage systems. Cantilever racks, also known as long-span racks, are one of the most important yet often underestimated solutions in modern warehouses and production plants. They are designed for long, heavy, and unusually sized materials that require stable support along their entire length.

What are cantilever racks? Construction and operating mechanism

Cantilever racks are modular steel structures that replace traditional shelves with horizontal cantilever arms. This design allows for the safe and ergonomic storage of items that cannot be stably placed on traditional pallet racks.

Key structural elements include:

• Vertical columns: Load-bearing columns that form the backbone of the system.
• Cantilever arms: Elements that directly support the load.
• Base frames: Ensure the stability of the entire structure.
• Optional equipment: Separators, chains, crossbeams, or roof coverings.

These systems are available in single-sided variants (ideal for placement against walls) and double-sided variants, which offer greater capacity and access to goods from both sides.

What goods are cantilever racks best suited for?

Cantilever racks are indispensable in industries operating with loads of significant weight and length. Thanks to multi-point support, the risk of material deformation is minimized.

Most common applications:

• Metal and PVC materials: Steel pipes, bundled rods, sections, and aluminum profiles.
• Timber industry: Boards, beams, squared timber, as well as large-format MDF, OSB, and furniture boards.
• Construction industry: Gypsum boards, roofing elements, railings, and fencing.
• Bulky goods: Flat-pack furniture, machine frames, and structural parts.

Types of cantilever racks – how to match the system to your needs?

Selecting the right structure depends on the planned load and the conditions within the warehouse:

1. Light-duty racks: Dedicated to workshops and shops, ideal for storing moldings and profiles.
2. Medium-duty racks: The most versatile, commonly used in the carpentry and construction industries.
3. Heavy-duty racks: Industrial systems resistant to high stress, used in steel depots and logistics centers.
4. Sheltered racks (outdoor): Equipped with a roof and anti-corrosion protection (galvanization), designed for storage yards.
5. Mobile racks: A solution for areas where maximizing expensive warehouse space is key.

Why is it worth investing in cantilever racks?

The main advantage of long-span racks is safety—the supports prevent goods from bending or sliding off. Operators gain quick access to loads without the need to manipulate pallets, which significantly accelerates logistical processes. Modularity allows for easy adjustment of arm heights and expansion with additional bays as the company’s needs grow.

When standard pallet racks become insufficient or unsafe for goods several meters long, cantilever racks become the most effective solution.

What to look for when choosing a structure?

Before purchasing, you should carefully analyze:

• Load capacity: The system must withstand the weight of an individual arm as well as the total mass of the level.
• Handling method: Consideration must be given to the width of the working aisles and the turning radius of the forklifts.
• Compliance with standards: The structure should meet Polish and European technical standards, enabling regular periodic inspections.

Are you looking for the optimal solution for your warehouse? As a manufacturer with many years of experience, MGL offers cantilever racks tailored to individual technical requirements. Contact our advisors to prepare a storage project compliant with the highest safety standards.