There is no single weight limit for Aluminium scaffold towers. Aluminium scaffold tower load capacity depends on the specific product, its duty rating, the platform arrangement and how it is set up, so the only reliable figure is the one the manufacturer states for your configuration. Add up everything on the platform, including people, tools and materials, and keep the total within that rating.
This matters because loads build up quickly. A worker, a bucket of compound, a power tool and a few boxes of fittings can add more than people expect. This article explains what the terms mean, what counts towards the load and how to find the verified capacity of a Citizen Aluminium tower.
What does load capacity mean on a scaffold tower?
Load capacity is the maximum load a component or system is rated to carry under stated conditions. On a mobile tower, several different ratings can apply, and they are not interchangeable:
| Term | What it generally refers to | Where to find it |
|---|---|---|
| Platform permitted load | The load the platform is rated to carry | Manufacturer's documentation |
| Total working load | The combined weight of people, tools and materials in use | Your own calculation, checked against the rating |
| Castor wheel working load limit (WLL) | What each wheel can carry | Marked on the wheel, per Safe Work Australia advice |
Safe Work Australia's tower and mobile scaffolds information sheet says wheels should be sized to carry the total mass of the dead and live loads of the scaffold and should have the working load limit clearly marked. Dead load is the weight of the scaffold itself. Live load is the people, tools and materials on it.
What counts towards the load?
Count everything that sits on or hangs from the platform:
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Every worker, including their clothing and tool belt.
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Hand tools and power tools.
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Materials such as paint, plasterboard offcuts, fittings and fixings.
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Equipment such as lights, compressors or small machines.
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Anything stored temporarily, including offcuts and debris.
Weigh or estimate honestly, and allow for the heaviest moment of the task, not the average.
How do load classes and duty ratings work?
A Safe Work Australia spokesperson, quoted in a 2018 Hire and Rental News feature, said scaffold working platforms are often rated light, medium or heavy duty, and that heavier tasks such as bricklaying or demolition call for a heavier duty scaffold.
Two cautions apply:
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A duty class describes the type of work a platform is rated for. It is not a promise about any particular product.
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Do not assume a tower carries the figure printed for a different brand, a different height or a different configuration.
Always use the rating in the product's own documentation. Where a rating refers to an Australian Standard such as AS/NZS 1576, check which edition the manufacturer states.
Evenly spread loads versus concentrated loads
A rating may assume the load is spread across the platform. A heavy item placed in one spot can stress a small area of the platform and can also shift where the load acts on the tower. Spread loads out where possible, keep heavy items low and central, and check whether the instructions say how the rated load is assumed to be distributed.
How tower configuration and setup affect capacity
Capacity is not only about the platform. Safe Work Australia's sheet advises reducing the height-to-base ratio or adding support when a scaffold is loaded with heavy equipment or materials, or exposed to strong wind. It also advises:
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Setting the tower up on firm, level ground with wheels properly supported.
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Keeping wheel brakes locked unless the tower is being moved.
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Using adjustable wheel legs to keep the platform level on uneven ground.
Platform arrangement matters too. Adding or removing platforms, guardrails or stabilisers changes how the tower behaves, so follow the manufacturer's assembly instructions exactly.
How to find the verified capacity of a Citizen Aluminium tower
Citizen Aluminium's product pages list the tower's height, width, platform size and inclusions. At the time of writing, the product pages we reviewed do not state a platform load rating. To get one:
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Note the product name and SKU, for example 2.7M/3.0MNAMBT for the 2.7 m to 3.0 m narrow base tower.
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Use the Send Product Enquiry option on the product page, or contact the team.
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Ask in writing for the platform rating or duty class, the castor wheel working load limit, the standard edition the tower is built to and the assembly instructions.
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Keep the reply with your site records.
Common load-capacity mistakes
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Assuming all aluminium scaffold towers share one capacity.
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Counting only body weight and ignoring tools and materials.
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Using the platform as a storage shelf.
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Leaving people or materials on the tower while moving it. Safe Work Australia advises checking that nobody and nothing is on the scaffold before it is moved.
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Lifting an assembled aluminium tower by crane. The same sheet says a crane should not be used to lift aluminium mobile scaffolds because components may fail.
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Mixing components from different systems without written confirmation of compatibility.
Check the rating before you load the platform
Add up your realistic worst-case load, then compare it with the rating for your exact configuration. Browse Citizen Aluminium's aluminium scaffold towers or contact the team to request the documentation for the tower you are considering.
Frequently asked questions
1. What is the maximum weight on an aluminium scaffold tower?
It depends on the product and configuration. Use the platform rating stated by the manufacturer, and keep the combined weight of workers, tools and materials below it.
2. Do all scaffold towers have the same load capacity?
No. Ratings differ by product, height, width and setup, so one tower's figure cannot be applied to another.
3. Does the tower's own weight count?
The tower's weight is the dead load, which matters for castors and ground support. The platform rating relates to what you place on the platform, but check the documentation for how each rating is defined.
4. Can I add more weight if I use more platforms?
Not without checking. Platform arrangement changes the tower's behaviour, so confirm any change with the manufacturer.
