Slimline Tanks
- with over 5,000 sizes, there will be one to suit you!
- every single tank is water tested before we send it to you
- we only use Bluescope® Aquaplate® or Colorbond® steel
- our 10 year construction warranty is the market leading warranty
- Bluescope® provides a 20 year corrosion warranty on the steel
- we deliver directly to slab on your site

Slimline steel water tanks are one of the most popular tanks sold in Australian cities. They are iconic representations of rural Australia. The steel water tanks used over the last 100 years in rural and bush Australia have been adapted to provide aesthetically pleasing slimline urban water storage solutions for today's urban environment where land space is at a premium.
All Waterplex® slimline steel tanks are available along the eastern seaboard in and around the major metropolitan cities. We deliver your tank to the concrete slab at your home or on your site.
Over 5,300 Sizes of Steel Slimline Water Tanks
Waterplex offers more than 5,300 sizes of steel slimline tanks with capacities ranging from 600 litres to in excess of 7,000 litres in a single tank! Multiple tanks can be manifolded together to achieve larger storage quantities.
If you can't find the right size slimline tank for you in the size selector below call us on 1300 72 66 70 and we will let you know if the size you need can be made for you.
All Waterplex® slimline water tanks are available in Bluescope® Aquaplate® galvanised steel or in Bluescope® Aquaplate® in all Bluescope® Colorbond® colours. See the size and colour selector below.
Standard Fittings supplied with Waterplex® Steel Slimline Water Tanks
All our steel water tanks are supplied with the following standard fittings:
- 400mm inlet leaf strainer
- 25mm outlet
- brass ball valve
- 90mm PVC overflow
- A full range of accessories is available for the slimline water tank range and can be factory fitted where appropriate.
A full range of accessories is available for the steel slimline water tank range. Check the accessories tab below for more information. Please note that the size of fittings that can be included in a tank are determined by the curvature of the tank. Ask us when you call or email us for a quote.
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- Brochures
- Accessories
- Solutions
- Research Articles
- Assoc Prof Peter Coombes Expert Report for Guidance of Rainwater Harvesting Systems 2006 (259.34 KB)
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- Stan Abbott Expert Report on Rainwater Havresting Systems 2006 (58.13 KB)
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- Urban Rainwater Tank Harvesting and Reuse (1.31 MB)





























































