If you are considering purchasing a heating oil tank, you may want to consult OFTEC (The Oil Firing Technical Association), the professional body responsible for advising on and directing activity within the heating oil tank industry. The OFTEC website has a wide range of informative and educational information on heating oil tank installations.
As a general overview, heating oil tanks can be made from a variety of materials and can consist of a variety of designs. Some tanks are made from plastic, some from steel. Furthermore, some tanks are single skin, whereas other are bunded, or double skinned tanks.
Tanks R Us plastic oil tanks are made from a medium density polyethylene (MDPE). Materials and components used in the manufacture these tanks are resistant to any damaging effects of the liquids they are designed to contain.