Products: STI-PERMATANK®

PERMATANK® double-wall jacketed underground storage tank features an inner steel tank coupled with an exterior corrosion-resistant fiberglass tank. A unique standoff material separating the inner and outer tanks creates a uniform interstitial space ensuring rapid and accurate leak detection.

PERMATANK® features:

  • 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
  • Compatible with all blends of ethanol and biodiesel fuels
  • Meets EPA Leak Detection Requirements for Underground Storage Tanks
  • Steel inner tank provides structural strength, while the exterior reinforced fiberglass prevents corrosion
  • Compact flat end design reduces cost of installation and allows site layout flexibility
  • 10-year limited warranty against external corrosion

PERMATANK® Optional Features:

  • Compartmentalizing tanks using single or double bulkheads for time, space, and monetary savings
  • Fiberglass sump collars
  • Nylon hold down straps
  • Dielectric nylon bushings
  • 30-year limited warranty against external corrosion

Documentation Links:

Standard Sizes

Capacity (gallons) Dimensions (inches) Download Approximate Weight (lbs)
400064 x 2883966
4000 96 x 1324525
600096 x 1925994
800096 x 2567720
1000096 x 3249324
1200096 x 38410850
15000120 x 31212500
20000120 x 40817400
25000126 x 46523000

Permatank Images - click to zoom