Built to meet liquid containment specifications, ModuStor free-standing and anchored bolted steel round tanks are available in various shapes with diameters from 12 to 100+ ft and capacities exceeding 1,000,000 gal. Tanks can be erected on any firm surface with minimal site prep. Leak protection is provided via double liner leak detection systems, and floating covers fabricated from reinforced membrane materials provide virtually vaportight enclosures.