ACT-100® Steel/FRP composite tank features a strong steel tank for structural integrity, and a 100-mil fiberglass outer coating for long-lasting corrosion protection. Double-wall design allows continuous interstitial leak detection and monitoring.


  • Meets UL 58, UL 1746 and ULC-S603.1
  • A high-voltage holiday test of the coating assures that the steel is isolated from corrosive soils
  • Can be used with a variety of leak detection systems
  • Steel provides complete compatibility with all blends of ethanol and biodiesel fuels
  • Impermeable to all petroleum products and vapors
  • No failures due to external corrosion in its history
  • Flat end design reduces the cost of installation and increases site layout flexibility
  • Steel tank provides structural strength, while its outer coating of fiberglass prevents corrosion
  • Various backfill options allow for money-saving installation
  • Capacities range up to 60,000 gallons
  • Single or double-wall construction

ACT-100 Benefits

  • Steel construction allows for recycling
  • Low cost compartments and customization
  • Built to nationally-recognized STI standards with strict third-party quality control inspection program