Rainwater Harvesting Specialists Water Saving Experts
Water Tank Sales & Installation
StormBANK & StormPANEL – Advanced Stormwater Management Solutions
Why Harvest Rainwater?
- Harvest Rainwater so you have access to an emergency supply when you need it most.
- Harvest Rainwater so you are prepared for the water restrictions we know are coming.
- Harvest Rainwater so you can keep your gardens watered, your kids cool and your car washed when restrictions are in place.
- Harvest Rainwater and save on your water rates.
- Harvest Rainwater because it is the environmentally responsible thing to do.
Harvesting Options
Slimline Tanks
Slimline DIY
Slimline Installed
Contact Us
FAQ
OUR SLIMLINE TANKS
JUST Tanks supplies premium Devan slimline water tanks, including the popular stormPANEL and stormBANK models. Proudly manufactured locally, these durable poly water tanks are designed to maximize water storage while fitting neatly into narrow spaces beside homes, garages, fences, and commercial buildings.
Available in capacities ranging from 1,000 litres to 5,000 litres, Devan slimline tanks provide an ideal rainwater harvesting solution for residential, commercial, and rural applications. Whether you need a compact tank for a small property or a larger water storage system for increased capacity, there’s a size to suit your needs.
Manufactured using high-quality, UV-stabilised polyethylene, Devan water tanks are built to withstand Australia’s harsh climate. Their corrosion-resistant, rust-proof construction ensures long-lasting performance without rotting or deteriorating over time. Every Devan poly water tank is backed by a 20-year manufacturer’s guarantee, giving you confidence in its durability and reliability.
To complement your property’s style, Devan slimline water tanks are available in 11 attractive colour options, making it easy to match your home, landscape, or commercial premises.
STORMPANEL – 1000L & 2000L
Devan stormPANEL Water Tanks
The Devan stormPANEL water tank is a durable, space-saving slimline tank designed to blend seamlessly into any environment. Available in 1,000L and 2,000L capacities and 11 modern colours, it’s made from eco-friendly, UV-stabilised polyethylene for long-lasting performance. Multiple tanks can be connected to increase storage capacity, providing a flexible and reliable rainwater storage solution for homes and businesses.
STORMBANK – 1000L to 5000L
DURABLE CYLINDRICAL WATER TANKS
The Devan stormBANK water tank is a space-efficient slimline solution designed to fit neatly alongside fences or under house eaves, making it ideal for properties with limited space. Available in 11 modern colours, it complements any home while providing reliable rainwater storage.
Manufactured from durable, eco-friendly, UV-stabilised polyethylene, stormBANK tanks are built for long-lasting performance. Capacities start at 1,000L, with modular storage options from 2,000L to 5,000L, and larger custom capacities available on request. Multiple tanks can be easily connected on-site to create a water storage system that grows with your needs, ensuring a dependable water supply whenever you need it.
SLIMLINE DIY INSTALLATION
Our Slimline Water Tanks are designed for easy installation, making them ideal for DIY homeowners and handypersons. For best results, install the tank on a level surface, preferably a 100 mm reinforced concrete slab. Alternatively, paving slabs on a well-compacted sand and gravel base are also suitable.
We offer Slimline Water Tanks at competitive prices, along with all the required restraints and a complete DIY installation kit for a simple, hassle-free setup.
YOUR SLIMLINE TANK FULLY INSTALLED
Leave the hard work to the experts. Our experienced, licensed plumbers and technicians provide professional rainwater tank installation tailored to your property and water needs. Book a FREE site visit, and we’ll assess your site, recommend the best rainwater harvesting solution, and ensure a smooth, hassle-free installation from start to finish.
CONTACT US
Call 0800 JUST TANKS or submit an online enquiry, and we’ll help you choose the best rainwater harvesting solution for your home, lifestyle, and water needs.
Harvest rainwater from your home’s roof, garage, or shed into a stylish Slimline Water Tank that blends seamlessly with your property. Add a pump and hose connection to easily reuse stored water for garden irrigation, outdoor cleaning, or as an emergency household water supply (when appropriately treated).
One of our friendly technicians is waiting to assist you.
FREQUENTLY ASKED QUESTIONS
WHAT SIZES AND COLOURS ARE AVAILABLE?
stormPANEL and stormBANK tanks are available in 11 colour options to suit a range of project requirements. Standard capacities include 1,000L and 2,000L for stormPANEL, and 1,000L for stormBANK. For larger storage volumes, multiple tanks can be easily coupled together onsite, providing a flexible and scalable solution.
WHO CAN INSTALL STORMPANEL TANKS?
stormPANEL and stormBANK systems are designed for straightforward installation. For retrofit applications such as garden irrigation or vehicle washing, they can be installed by a competent DIY homeowner. For new builds, plumbing connections, or consented work, installation should be carried out by a qualified plumber or drainlayer.
DO THE TANKS COME WITH A GUARANTEE?
stormPANEL stormwater tanks are backed by a 10-year domestic warranty, while stormBANK systems are covered by a 20-year domestic warranty, providing long-term confidence in your investment.
Manufactured by our trusted supply partner, Devan, which has been delivering high-quality water storage solutions for over 30 years, these products are built on a proven track record of reliability, durability, and performance. Decades of customer trust reflect Devan’s commitment to uncompromising quality and dependable products.
ARE THE TANKS COMPLIANT?
Yes! Both stormPANEL and stormBANK are designed to exceed AS/NZS 4766:2020 and are manufactured from materials certified to AS/NZS 4766:2006, AS/NZS 4020:2005, and AS/NZS 2070 for proven quality, safety, and durability.
WHAT ARE THEY MADE OF?
Made from high-quality, UV-stabilised polyethylene, stormPANEL and stormBANK systems won’t rot or corrode and are built for long-lasting, trouble-free performance. The manufacturing process produces zero waste, and the material is 100% recyclable.
WHERE CAN THESE SLIMLINE TANKS BE INSTALLED?
The tanks are designed for above-ground installation on a flat, level surface. For sites classified as “good ground” in accordance with NZS 3604, installation on a concrete base with a minimum thickness of 100 mm, reinforced with nominal ductile mesh, is recommended.
Alternatively, where the subsoil meets the NZS 3604 “good ground” classification, the tanks may be installed on paving slabs laid over a firm, well-compacted sand and gravel base.