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Steel
Underground Tanks
Our underground tanks are designed and built to provide years of trouble free storage. Whether you choose a standard vessel, double wall vessel or our top of the line Fibersteel vessel, you will receive a high quality product.

The Fibersteel Tank offers the structural strength of plate steel and the corrosion resistant qualities of fiberglass.

FIBERSTEEL UNDERGROUND TANKS

  • Sandblasted & fiberglass coated exterior (60 mil)
  • Midwest standard fittings
  • Lifting lugs
  • Cathodic protection
  • Isolation bushings
  • UL & sti-P3 labeled
  • 30 year warranty
  • available in 300° or 360° double wall

ACT-100 UNDERGROUND TANKS

  • UL & ACT-100 labeled
  • 30 year warranty
  • available in 300° or 360° double wall
  • Sandblasted & epoxy coated exterior (100 mil)
  • Midwest standard fittings
  • Lifting lugs

Our tanks are subject to strict specifications, test and inspections outlined by the Steel Tank Institute.
Our Fibersteel tanks range in size from 55 gallon up to 50,000 gallon.

STEEL UNDERGROUND TANKS

  • Sandblasted & epoxy coated exterior
  • Midwest standard fittings
  • Lifting lugs
  • Cathodic protection
  • Isolation bushings
  • UL & sti-P3 labeled
  • 30 year warranty
  • available in 300° or 360° double wall



Some typical sizes and capacities are as follows:   GALS=gallons / WT=Weight in pounds
MODEL GALS DIMENSIONS WT
STP-48B6 560 48in x 6ft 670
STP-48B11 1,000 48in x 11ft 920
STP-64C12 2,000 64in x 12ft 2,200
STP-64C18 3,000 64in x 18ft 2,970
STP-8C8 3,000 8ft x 8ft 2,290
STP-8C11 4,000 8ft x 11ft 3,900
STP-8D16 6,000 8ft x 16ft 5,200
STP-8D21 8,000 8ft x 21ft 6,500
STP-8D27 10,000 8ft x 27ft 8,000
STP-8D32 12,000 8ft x 32ft 9,300
STP-11E21 15,000 11ft x 21ft 11,800
STP-11E28 20,000 11ft x 28ft 14,900

Weight is approximate for an empty tank due to fitting schedule