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STI Tank Technologies

AST: Aboveground Storage Tanks

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FIREGUARD®

Protected, thermally insulated secondary containment tank

FLAMESHIELD®

Fire-tested, double-wall tank

F921®

Double-wall steel tank

GENERATOR BASE TANKS®

Safe and sturdy support for your backup or emergency power

F911®

Open-top diked system

UST: Underground Storage Tanks

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sti-P3®

Cathodically protected steel tank

ACT-100®

Steel/FRP composite tank

ACT-100-U®

Steel tank with an external urethane coating

PERMATANK®

Double-wall jacketed tank with inner steel tank and an exterior FRP tank

AquaSweep™

Gravity Oil Water Separators

Quality Control Program

Quality control is a crucial aspect of all manufacturing processes. Therefore, member fabricators of the Steel Tank Institute’s licensed tank technologies are subject to periodic, unannounced inspections by a team of STI/SPFA Quality Control Inspectors.

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Aboveground Storage Tank FAQ

Get answers to commonly asked questions about aboveground storage tanks including differences between tanks and fire code information.

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Fuel Storage System Maintenance

All storage tank systems, both underground and aboveground, constructed of any material, and storing nearly any product – gasoline, diesel, residential and commercial heating oils, aviation jet fuel, and others – are susceptible to damage if water is allowed to accumulate.

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Education and Training

Codes and Regulations

Find information on federal and state fuel storage environmental regulations, chemical storage tank regulations, fire codes, and more.

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Alternative Fuels

View compatibility studies for steel and alternative fuels/emerging fuels.

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About Steel Storage Tanks

STI/SPFA Fabricated Steel Product/Project Awards

The Steel Tank Institute/Steel Plate Fabricators Association presents awards each year to commend outstanding records in quality of product, safety achievements at member facilities, and outstanding projects completed by members.

View the winners of the Shop Fabricated Tanks Section.

Additional Resources

“STI technologies have better industry recognition than any of our individual brands.”

Greg Scalet
Steel Tank & Fabricating Corp.

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