Underdeck Water Tanks

Duraplas Under Deck Water Tanks

The extra low-profile solution. Space-efficient and tucked away out of sight.


Our extra low profile under deck poly rainwater tanks are unique. The patented design offers you so many benefits. Strong, light, space efficient and tucked away out of sight. Our innovative space saving under deck water tank design incorporates the latest technology to ensure reliable and safe water for household usage. If you have a limited space, one of our under deck tanks could be perfectly suited to your requirements offering 1,000 to 5,000 litres of rainwater storage. And if you require larger volumes of rainwater storage you could consider installing multiple under deck or under ground tanks, or perhaps supplementing this with a round or slimline tank. Browse our quality under deck range below. Read more