A good multi-purpose ladder can do the work of three. It folds from a step ladder into an extension ladder, then into a straight ladder, so one purchase covers jobs that used to need a shed full of gear. That saves space, money and setup time on every job. Singh Roofing Supplies is a Melbourne roofing supplier that stocks trade ladders alongside its roofing range. This guide covers six industrial-rated options built to Australian Standards, with verified specs and current prices so you can pick the right one and buy it today.
What is a multi-purpose ladder?
A multi-purpose ladder is one ladder that changes shape for different jobs. It shifts between step, leaning and straight ladder modes. Some models add a platform or trestle mode. A dual-purpose ladder is the simpler two-mode version, usually step and single. Both save you from buying and storing several separate ladders.
For trades, that means less gear to buy and carry between jobs. One ladder handles indoor and outdoor access in a single trip. For DIYers, a combination ladder covers most home jobs without filling the garage. The trade-off is weight and price at the top of the range.
What are the best multi-purpose ladders for trade and DIY use?
The best multi-purpose ladders balance load rating, material and the number of setups they offer. Our top six are all Bailey models, all industrial-rated and all built to Australian Standards. They range from a compact 3-in-1 to a 170kg platform ladder. Prices below are current at the time of writing.
1. Bailey AL SLS 3-in-1 (7/11 Step)
This is the most versatile ladder in the range. The AL SLS 3-in-1 works as steps, as a leaning ladder or as a straight ladder. A patented barrel hinge locks each position automatically, so switching modes is quick. Trapezoidal steps resist twisting and add strength. The straight back legs let you stand the ladder against stud framing or into corners. It is aluminium, rated to 150kg industrial duty and priced around $355. That suits both site work and serious home projects.
2. Bailey BXS20 MkII Multi-Purpose Extendable Stepladder
The BXS20 MkII gives you the widest choice of setups. It converts into four configurations. Use it as a double-sided step ladder or a single straight ladder. Split it into two trestles for plank work, or extend it as a telescopic ladder. Spring-loaded locks set the height and push knobs set the angle. A wide flared base adds stability. It is aluminium, rated to 135kg and priced around $399. The telescopic reach runs from 2.3m to 4.5m.
3. Bailey Adjustable Height Platform Stepladder (3-6 Step)
For standing work at height, this platform stepladder is the pick. It is really four platform ladders in one. A single-handed adjustment moves it from three steps up to six steps. The back legs adjust in 50mm increments, so it stays level on stairs or uneven ground. Fit the optional gate for a compliant elevated work platform. It carries the highest rating here at 170kg and costs around $689. That is ideal for painting, fit-out and repetitive tasks that keep you in one spot.
4. Bailey HD FG DP7 with V-Rung
Working near power means fibreglass, not aluminium. The HD FG DP7 is non-conductive, which is why WorkSafe Victoria advises a fibreglass ladder for any work near electricity. It converts from a step ladder to a single ladder in seconds. Trapezoidal treads and deep top caps keep the frame rigid, and anti-slip boots protect the feet. A factory-fitted V-rung lets you sit it against poles or trees. It is rated to 150kg and priced around $530.
5. Bailey Pro AL DP7 Punchlock
The Pro AL DP7 is the lightweight aluminium all-rounder. A single lever unlocks the hinge with one hand, so you can switch modes without putting the ladder down. The Punchlock rung-to-stile joint keeps the frame stiff under load. A multi-function top cap holds tools and parts. The rear frame also works as a double-sided step ladder. It is rated to 150kg, reaches up to 4.9m and costs around $515. That makes it a dependable daily ladder for general trades.
6. Bailey Trade AL DP7 Riveted
The Trade AL DP7 is the best-value pick and the lightest at 8.4kg. Riveted construction and heavy-duty locking hooks give it a solid single-ladder position. Overlapping steps add rigidity. It converts from a step ladder to a single ladder without extra features to pay for. You still get the industrial 150kg rating and Australian Standards compliance. At around $335, it is the cheapest ladder in this guide. That suits tradies and serious DIYers who want a rating that lasts.
Multi-purpose ladder comparison
| Ladder | Material | Load rating | Best for | Price |
| Bailey AL SLS 3-in-1 | Aluminium | 150kg | Step, lean and straight jobs | $355 |
| Bailey BXS20 MkII | Aluminium | 135kg | Four setups in one | $399 |
| Adjustable Platform 3-6 | Aluminium | 170kg | Hands-free standing work | $689 |
| Bailey HD FG DP7 V-Rung | Fibreglass | 150kg | Work near power | $530 |
| Bailey Pro AL DP7 | Aluminium | 150kg | Lightweight all-rounder | $515 |
| Bailey Trade AL DP7 | Aluminium | 150kg | Best value | $335 |
Prices are current at the time of writing.
How do you choose the right multi-purpose ladder?
Choose on three things: load rating, material and the setups you will actually use. No single design beats a task-specific ladder at everything, so match the ladder to the jobs you do most.
Start with load rating, because it is both a safety and a legal issue. WorkSafe Victoria names domestic-grade ladders as a common workplace hazard, so paid work needs an industrial rating. Every ladder here meets that bar at 135kg or higher. Add your weight to the weight of your tools, then check the total against the ladder limit.
Material comes next. Aluminium is lighter and cheaper, which suits most general work. Fibreglass is heavier but does not conduct electricity, so it is the safe choice near power.
Then match the type to the task. A 3-in-1 handles mixed indoor and outdoor reach. A platform ladder is better for standing still. Trestles with a plank suit longer horizontal runs.
[INLINE IMAGE 1: Close-up of the locking hinge on an aluminium multi-purpose ladder.]
How do you use a multi-purpose ladder safely?
Set the ladder on firm, level ground before you climb. Keep three points of contact at all times. Stay off the top two steps. Match the ladder and its rating to the task. Check the hinges, feet and rungs before every use. Take any damaged ladder out of service and tag it.
WorkSafe Victoria reports that many falls occur while accessing a roof, so plan roof jobs carefully. For a straight or extension setup, use the 4 to 1 angle rule. Stand the base one metre out for every four metres of height. Tie off the top and secure the base so the ladder cannot slip.
[INLINE IMAGE 2: A tradesperson keeping three points of contact on a ladder set at the correct angle.]
Multi-purpose ladder FAQs
What is the difference between a dual-purpose and a multi-purpose ladder?
A dual-purpose ladder switches between two modes, usually a step ladder and a single ladder. A multi-purpose ladder does more, adding setups like a leaning ladder, trestles or a telescopic height. If you only need the two basic modes, a dual-purpose ladder is the cheaper choice. If you want more flexibility, pay a little more for the extra configurations.
Can I use an aluminium ladder near electricity?
No. Aluminium conducts electricity, so it is not safe near live wires or power lines. WorkSafe Victoria advises that work near electricity should be done on a fibreglass ladder. For any electrical work, choose a non-conductive fibreglass model like the Bailey HD FG DP7.
What load rating do I need for trade work?
For paid work, use an industrial-rated ladder built to AS/NZS 1892, not a domestic model. The ladders in this guide are rated between 135kg and 170kg. Pick a rating that covers your body weight plus the tools and materials you carry up. Buying to standard means the ladder has been tested to hold its stated load.
Are these ladders compliant with Australian Standards?
Yes. Every ladder in this guide is made to the Australian Standard AS/NZS 1892, which sets the rules for ladder construction and load ratings. That covers step, extension and multi-purpose designs. Compliance means each ladder has been built and tested to carry its rated load safely.
Which multi-purpose ladder is best for home DIY?
For most home jobs, a lighter aluminium 3-in-1 or dual-purpose ladder works best. The Bailey AL SLS 3-in-1 handles indoor and outdoor tasks and folds down to store easily. On a tight budget, the Trade AL DP7 is the cheapest industrial-rated option. Both are trade-rated, so they will handle anything a home project needs.
The bottom line
The rule is simple: choose a 3-in-1 for all-round versatility, fibreglass if you work near power and an adjustable platform for long jobs standing at height.
More from Singh Roofing Supplies
Singh Roofing Supplies stocks Bailey ladders and roofing materials, so you can order both in one go.
Start with the core sheeting. The roofing sheets range covers metal roofing sheets in a spread of profiles and colours. Colorbond roof sheets suit most Melbourne homes and sheds, and you can buy Colorbond sheets online. For a full metal roof, the metal roofing supplies range adds flashings, fasteners and trims. The Colorbond roofing supplies range groups the matching components in one place.
Want daylight through the roof? Polycarbonate sheets let light into patios and carports. The polycarbonate roofing supplies range adds clear panels, closures and fixings. Laserlite roofing supplies give you clear and tinted profiles that match common roof sheeting.
Finish with drainage. The guttering supplies range carries gutter, downpipe and brackets to move water off the roof. Singh also stocks skylights and accessories, and you can order roofing supplies online.
Delivery runs nationwide. Trade and DIY customers order roofing supplies to Sydney, Brisbane and Perth. Deliveries also reach Adelaide and Hobart. Order online or visit the Truganina store. Browse the full multi-purpose ladder range to compare every ladder in stock.
Ready to buy? Call (03) 9394 1400 or 0435 551 400, or email info@singhroofingsupplies.com.au. You can also visit the store at Shop 2/1 Network Drive, Truganina VIC 3029.
- This article was last updated on
- 07/07/2026
- by SRS Admin
