Products: STI ACT-100® Tanks

ACT-100® Steel-Fiberglass composite underground storage tank features a double wall steel tank for structural integrity and a 100 Mil minimum fiberglass outer coating for long-lasting corrosion protection. Double-wall design allows continuous interstitial leak detection and monitoring.

  • Manufactured and listed in accordance with Underwriters Laboratories UL 58, Steel Underground Storage Tanks for Flammable and Combustible Liquids and UL 1746, External Corrosion Protection Systems for Steel Underground Storage Tanks
  • Built to nationally-recognized STI standards with strict third-party quality control inspection program
  • Can be used with a variety of leak detection systems
  • Steel provides compatibility with all blends of ethanol and biodiesel fuels
  • Steel tank provides structural strength, while its outer coating of fiberglass prevents corrosion
  • Compact flat end design reduces the cost of installation and increases site layout flexibility
  • Various backfill options allow time and money-saving installation
  • 10-year limited warranty against external corrosion

ACT-100® Available Options:

  • Compartmented tanks with single or double bulkheads saves time and space
  • Fiberglass sump collars
  • Nylon tie down straps
  • 30-year limited warranty against external corrosion

Documentation Links:

Standard Sizes

Capacity (gallons) Dimensions (inches) Download Approximate Weight (lbs)
200064 x 144 3801
400064 x 2886672
4000 96 x 1327628
600096 x 19210120
800096 x 25612500
1000096 x 32415100
1200096 x 38417639
15000120 x 31219500
20000120 x 40823500
25000126 x 46532250

ACT 100 Images - click to zoom