Timber, structural steel, PVC conduit, carpet rolls. None of it sits well on standard pallet racking, where the front upright gets in the way and long stock overhangs the bay. Cantilever racking solves that by removing the front column entirely, but knowing how to choose cantilever racking that actually fits your stock comes down to a handful of decisions that are easy to get wrong: arm length, load capacity, single or double sided columns, and what compliance actually requires for this racking type.
This guide walks through those decisions in order, plus the environmental factors that matter for Sydney sites and what to check before hiring an installer. If you already know what you need, see our cantilever racking in Sydney page for our full range and a free quote.
How to choose cantilever racking: key factors for your Sydney warehouse
The right cantilever system depends on the goods it will hold, not a generic size chart. Before comparing suppliers, work out four things: how long and heavy your longest item is, how many arms it needs, whether loading happens from one side or both, and whether the racking will sit indoors or in an exposed yard.
Arm length and depth. Arms are sized to your longest regularly stored item, with some clearance built in. A 3 metre length of steel pipe needs a longer arm than a bundle of 1.8 metre timber, and undersizing the arm means stock overhangs and becomes a hazard around forklifts.
Load capacity per arm. Capacity is rated per arm, not per bay, and it drops as arm length increases and as the load point moves further from the column. Always size to your heaviest realistic load per arm, not an average.
Single sided vs double sided columns. Single sided cantilever runs sit against a wall or boundary and load from one side only. Double sided columns let you load from both sides of the same run, which roughly doubles storage density for the same footprint, and suits freestanding aisles in the middle of a warehouse.
Indoor vs outdoor use. An open yard exposes steel to weather in a way an enclosed warehouse doesn’t. This affects the finish you need and how often the system should be inspected, covered further below.
Quick reference: matching your stock to a cantilever configuration
- Timber, conduit, light structural steel → light to medium duty arms
- Structural steel, heavy pipe, coiled material → heavy duty arms with reinforced columns
- Stock accessed from both sides of an aisle → double sided columns
- Open yard or coastal site → galvanised finish over standard powder coat
- Mixed pallet and long span stock → cantilever installed alongside pallet racking in the same warehouse
How does cantilever racking work?
Cantilever racking uses a single vertical column with horizontal arms bolted to it, so there’s no front upright blocking the load. Goods rest directly on the arms and can be any length, since nothing at the front of the bay limits how far material can extend. This open front design is what makes it the standard choice for long or irregularly shaped stock that pallet racking simply can’t hold.
Standard pallet racking uses uprights at both the front and back of each bay to support horizontal beams, which works well for uniform pallets but creates an obstruction for anything longer than the bay depth. Cantilever racking removes that constraint. It also allows arm spacing to be adjusted as your stock mix changes, without reconfiguring the whole bay. For hand picked, non palletised items that don’t need the cantilever format, industrial shelving is usually the better fit, and the two systems are often run side by side in the same facility.
Compliance: does cantilever racking need to be bolted down?
Yes. Cantilever columns are base plated and bolted to the slab, and in most installations they’re also braced back to back or tied to an adjacent run for lateral stability. An unbolted or unbraced column is a genuine tip over risk once arms are loaded, particularly with the taller, heavier configurations common in Sydney’s structural steel and timber trades.
Worth understanding here: AS4084, the Australian standard most people mean when they talk about racking compliance, is written around adjustable pallet racking. Cantilever design has historically sat outside its direct scope, with structural design guidance instead coming from FEM 10.2.09, the European racking federation’s cantilever specific code, which Australian engineers commonly reference for arm and column calculations. That doesn’t mean cantilever racking operates in a compliance gap.
The general work health and safety obligations that apply to all racking, and the practical benchmarks SafeWork NSW sets out for racking of every type, still apply in full: installation by a competent person, a safe working load sign on every bay, formal inspection at least once every 12 months, and a clear process for reporting and tagging damage. A supplier who can produce engineering load documentation for your specific configuration, not just a general assurance, is doing the job properly.
Sizing your system: arm length, load capacity, and column height
Matching arm length to your longest stock item
Measure your longest regularly stored item and add clearance, typically 100 to 150mm, so stock doesn’t project past the arm end. Buying for your average load and hoping the occasional long piece fits is how overhangs and near misses happen on a busy floor.
Reading a load capacity rating
Capacity is quoted per arm at a specific arm length, and the two move in opposite directions: longer arms carry less weight before deflection limits are reached. A supplier’s rating table should show capacity at your actual arm length, not just a headline figure for the shortest arm in the range.
Column height and stability
Taller columns need a wider base and more bracing to stay stable under load, and ceiling height, sprinkler clearance, and any mezzanine above the racking all factor into how tall you can realistically go. A site assessment before ordering avoids specifying a column height that doesn’t actually fit the building.
Environmental factors for Sydney warehouses and yards
A lot of cantilever racking in Sydney sits in open yards rather than enclosed warehouses, which changes what the system needs to hold up to.
- Coastal and near coastal sites (Port Botany, Botany, Banksmeadow, and similar): salt air accelerates corrosion on standard powder coated steel. Specify a galvanised finish for anything within a few kilometres of the coast.
- Open timber and steel yards (common across Smithfield, Wetherill Park, and Western Sydney’s industrial precincts): footing and drainage around the base plates matter as much as the finish. Pooling water at the column base shortens the life of even a galvanised system.
- Enclosed warehouses: standard powder coating is generally adequate, though high humidity storage areas still warrant a heavier duty coating.
Choosing a reliable cantilever racking installer in Sydney
The installer matters as much as the racking itself, since a poorly installed system can fail even when the product is rated correctly. Look for:
Cantilever specific experience. Plenty of installers are confident with pallet racking but have installed relatively little cantilever. Ask for project references specific to cantilever systems, not just racking in general.
Load calculations and documentation. A proper installer provides configuration drawings and load ratings for your specific setup, which you’ll need on hand for future inspections.
New and used options, properly inspected. Used cantilever stock can be a genuinely good option if it’s been assessed for damage and matched to consistent columns and arms, rather than assembled from mismatched brands.
Local service. A Sydney based team responds faster to reconfiguration requests or damage repairs, and understands local council and SafeWork NSW expectations for industrial sites.
Frequently asked questions about cantilever racking in Sydney
What does cantilever racking cost in Sydney?
Cost depends on arm length, load rating, column height, and whether you choose new or used stock. A small single sided run costs considerably less than a tall, double sided, heavy duty system. Get a site specific quote rather than relying on a generic per bay price, since configuration affects cost more than most other racking types.
Can I buy used cantilever racking in Sydney?
Yes, and it’s a common way to bring costs down without compromising on quality, provided the stock has been inspected for damage and the columns and arms are matched to a consistent brand and configuration.
Can cantilever arms be reconfigured after installation?
Yes, arm spacing and, on most systems, arm length can be adjusted as your stock mix changes. This flexibility is one of the main advantages over fixed pallet racking bays.
How long does a typical installation take?
A small run can be installed in a day. Larger, multi bay systems with engineering sign off typically take several days to a week, depending on site access and whether the floor needs assessment first.
Can cantilever racking be combined with pallet racking or shelving in the same warehouse?
Yes, this is one of the most common setups. Long span goods go on cantilever, palletised stock on pallet racking, and hand picked items on industrial shelving, all fitted out under one project.
Summary: choosing cantilever racking that fits your Sydney warehouse
Knowing how to choose cantilever racking that fits your actual stock matters more than chasing the cheapest option or the first quote in. Start by measuring your longest item and heaviest realistic load per arm, confirm whether you need single or double sided columns, and factor in the finish your site’s environment actually needs. Then check that whoever installs it can show cantilever specific experience and proper load documentation, not just general racking know-how.
If you’re weighing cantilever against other racking types for a mixed warehouse, our guide to choosing a pallet racking system covers the rest of the decision. At DRS Racking Solutions, we supply and install new and used cantilever racking across Sydney, with full load documentation and inspection support aligned to AS4084’s operation and maintenance provisions. Request a free site assessment and we’ll recommend the configuration that actually fits your stock.
