This tank type is particularly suited to the smaller capacity range of water storage as it comes ready to use, is easily handled and requires no specialist site installation work.
Generally these tanks, for equal capacity, are less costly than a comparable Sectional Tank. There are also occasions when it is beneficial to use Large One Piece Tanks due to positioning and/or strategic use.
A One Piece Tank must be provided with a flat and level base, free from any local protrusions and be fully supported across its base. It is recommended for practical purposes that the base be 300mm larger than the tank plan dimensions.