What shapes and materials do tanks come in?
Most tank shapes are either round or slimline. Round tanks are generally cheaper, however they take up more space. Sacs or bladder tanks which are flexible, inflatable tanks are also available and can be installed under decking. Tanks are made from a range of materials, including corrugated Aquaplate® steel, polyethylene, concrete and fibreglass. Sacs are made of PVC / geotextile. Your tank supplier will be able to discuss your options with you. Read more about Rainwater Tanks.