Roth heating oil storage tanks, unlike steel oil tanks, are rust free inside and out. Minimize the potential dangers and disasters of oil spills and leaks caused by corrosion. The outer oil storage tank is made out of galvanized steel, roll seamed (no welds) with an oil and fire resistant seal, making it one of the safest and most reliable tanks on the market. Roth uses state-of-the-art technology to ensure maximum storage safety and minimum space requirements.