Plastic Storage Tanks

Made from high-quality, UV-resistant polyethylene, Duys Tanks are used throughout South Africa for storing water, fertilisers, chemicals and any other liquid!




Duys Tanks offers a wide range of plastic storage tanks to suit every application! Our storage tanks range in capacity sizes, from 250 litres to 10 000 litres, and are suitable to store a wide range of liquid-based materials, including: water, chemicals, fertilisers, animal feed, diesels, sewage and wastewater.

Due to the fact that we design, develop and manufacture our tanks, we are able to offer our customers custom moulding solutions for a range of customer-specific applications.

Our tanks are manufactured from virgin high grade, UV stabilized polyethylene and are suitable for the storage and transport of water and chemicals. Tanks are moulded in a variety of colours and all water tanks have a black lining to ensure zero light penetration to prevent algae growth.


Agricultural Tanks

Our storage silos are ideal for storing and handling grain, molasses and bulk liquid feeds. Our agricultural silos are built tough to provide maximum strength and durability.

Our 800 litre silo is food safety-accredited. This polyethylene silo tank is moulded in a single piece and provide maximum strength and durability.

Domestic Tanks

Duys domestic space-saving vertical storage tanks are the ideal solution for city dwellers and domestic users with space restrictions that still require a high-capacity water storage solution.

The space-saving and modern designs of our domestic storage tank makes it the perfect option for city consumers with its distinctly contempo appearance and wide range of colours to match the aesthetics and style of your home!

Our innovative water storage solutions enable metropolitan dwellers to harvest rainwater regardless of the space available. Duys Tanks are supplied through a limited distribution network across South Africa.

Horizontal Tanks

Our plastic horizontal water tanks can be used for all your liquid storage requirements, 250 – 6 500 litres. Lower your unit price of water consumption with rainwater harvesting! Available across South Africa.

Duys Tanks are manufactured with UV-resistant and chemical-resistant polyethylene and are available in a range of colours to suit any domestic, commercial or industrial application.

Duys Tanks high-quality polyethylene tanks are ideal for all liquid storage in domestic, industrial, commercial and agricultural applications. Our tanks can be fitted onto the back of a bakkie or truck to provide a mobile water source to deliver water to remote areas or those experiencing water shortages.

Septic Tanks

Duys Septic Tanks also known as sanitation or conservancy tanks, offer an ideal solution for sewerage and waste. Duys septic tanks can be used for all your sanitation requirements from 2 200 – 6 500 litres.

Our septic tanks are manufactured by means of the rotational moulding process that produces a one-piece, seamless, watertight tank using the same polyethylene as our other storage tanks.

The specialised polyethylene construction is unaffected by soil chemicals and the chemicals and gases present in sewerage, so our septic tanks do not corrode and nor do they require any additional coatings as many other tanks do.

Vertical Tanks

Duys Vertical Storage Tanks are used for storing water, fertilisers, chemicals and most other liquids. Our vertical storage tanks cater for your every water storage capacity need, from storing between 250 and 10 000 litres.

Duys Tanks are manufactured with UV-resistant and chemical-resistant polyethylene and are available in a range of colours to suit any domestic, commercial or industrial application.

Our vertical storage tanks are ideal for storing water and chemical-based liquids as well as for rainwater harvesting to be used in limited water supply, water disruptions and in emergency applications.