Our rectangular ( Square ) water storage tank designs allow us greater versatility to customize and design cost-effective water tank sizes according to our clients’ unique requirements and site specifications. Abeco Tanks offers the best water storage tanks in South Africa.
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Advantages of Rectangular Water Tank Storage systems:
- Rectangular Water Tanks can easily be Transported due to their modular design
- Rectangular Water Tanks ( Square ) can be installed using basic equipment
- Rectangular Water Tanks can store hygienic water
- Rectangular Water Tanks are unaffected by Ultra Violet Rays
- Rectangular Water Tanks are unaffected by Light Penetration
- Rectangular Water Tanks are easily transportable to remote locations
- Rectangular Water Tanks can be installed in restricted areas
Standard rectangular water tank storage:
- Internal bracing consisting of angle iron welded to base plates.
- Base plates bolted to tank panels
- Jig assembled to ensure dimensional accuracy
- Roofs are fixed to cold rolled lipped channel purlins supported by tubular posts.
- All nuts & bolts are of high tensile grade
- All sealants and rubber components are non-toxic & non-tainting.
- All steel components are hot dip galvanised.
View our rectangular water tank storage technical information here.
Sizes
Rectangular Water Tank Size Ranges: (from)
- 1800 litres to
- 10 million litres
Panel Size
Our galvanized panels are cold pressed using yield stress drawing quality steel. Each panel is individually pressed and punched to ensure dimensional accuracy.
Panel Size: 1220 x 1220mm
Thickness
Rectangular Water Tank Thickness: (3 standard)
- 3mm
- 4.5mm
- 6mm
ABECO tanks will recommend the correct panel thickness to ensure maximum water pressure is maintained, optimising cost benefits for our clients.
Roof Sheets
Individual Roof Sheets (span): Depending on the width of the tank:
- 1 tank panel
- 2 tank panels
- 3 tank panels
Edges of the roof sheets are bent to provide an overlap designed for optimum sealing.
Specifications
No welding required
Rectangular Tank Roof / Tank cover
Internal Members
Rectangular Tank Fasteners
Rectangular Tank Sealants
Tank Corrosion Protection
Read More
What is a rectangular water tank — and why choose one?
A rectangular water tank is a modular storage system designed to fit where space is limited. Unlike round tanks, it makes full use of corners, basements, rooftops, and tight areas. This makes it one of the most efficient water storage options for homes, farms, factories, and municipalities.
Why is this tank the easiest to install?
Rectangular tanks are built with a flat-pack modular design. Each panel is transported easily, carried into hard-to-reach places, and assembled quickly on-site. That means you can install a large-capacity tank almost anywhere without needing heavy machinery or special foundations.
Can I customize the shape and size with this tank?
Yes. Using precision-punching technology, rectangular tanks can be manufactured in any size and almost any shape, including U-shaped, L-shaped, or custom layouts. This makes them ideal for irregular spaces or when you need maximum capacity in limited areas.
Sizes range from 1,800 litres to more than 10 million litres, giving you flexibility from small domestic setups to large industrial projects.
Is it built to last in tough African conditions?
Each tank is manufactured from hot-dipped galvanised steel panels that resist rust and corrosion. The design is UV-resistant, unaffected by light penetration, and protected against leaks with non-toxic sealants.
Every tank complies with ISO, SATAS, and SABS standards, ensuring long-term durability and safety for potable water.
How does modular design help remote installs?
Because panels are flat-packed, rectangular tanks can be transported easily to remote rural areas, mines, or construction sites. They are designed for quick assembly even where crane access is impossible. This makes them a preferred choice in Africa, where water storage is often needed in isolated or challenging locations.
Typical applications people ask about
Rectangular water tanks are versatile. They are commonly used for:
- Potable drinking water storage for communities and households
- Agricultural water supply for crops and livestock
- Mining operations needing bulk storage in remote areas
- Fire-fighting reserves for factories, schools, and complexes
- Industrial applications including effluent, hot water, and certain chemicals
Quick specs at a glance
- Panel size: 1,220 × 1,220 mm
- Panel thickness: 3, 4.5 or 6 mm (depending on tank height and pressure)
- Capacity range: 1,800 L to 10+ million L
Our interest rate – who are our valued clients?
FAQ’s
What’s the biggest rectangular tank available?
Tanks can be built from 1,800 litres up to 10 million litres or more, depending on your requirements.
Can you make the tank fit my odd-shaped space?
Yes. Precision-punched panels allow us to manufacture U-shapes, L-shapes, and custom layouts.
Is the tank safe for drinking water?
Absolutely. All tanks are built to ISO, SATAS, and SABS standards, using non-toxic sealants for potable water storage.
How fast can it be installed?
Because of the modular flat-pack design, installation is quick and efficient, even in remote or hard-to-reach areas.
Will it last in harsh sunlight?
Yes. The galvanised steel and UV-resistant design mean the tank remains unaffected by strong African sun exposure.
Can it store more than water?
Yes. These tanks are suitable for effluent, hot water, fire-fighting reserves, and even certain fuels and corrosive liquids.
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