Double Wall Steel Underground Stroage Tanks

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The sti-P3 double wall steel underground storage tank (UST) is a steel tank within a steel tank protected against corrosion by combining three proven corrosion protection methods.

Traditional Advantages of Double Wall Steel USTs

Greater peace of mind and security
Interstitial leak detection monitoring capability
Capacity ranges up to 50,000 gallons

Advantages of sti-P3 Double Wall Steel USTs

Performance record is 10 times better than all-FRP tanks
Long-term reliability provided by pre-engineered corrosion protection system
30-year warranty against internal and external corrosion
Built to nationally recognized Steel Tank Institute and Underwriters Laboratories standards
Available only from STI members licensed to fabricate sti-P3 technology

Traditional Advantages of Corrosion Protected Steel Tanks

Alternative fuels compatibility without the additional cost of internal linings
Cost-effective customization for multi-product storage compartments and virtually unlimited capacities
Steel striker plates below each tank opening protect tank bottom
Various backfill options can allow money-saving installation