Rectangular Tanks
Single Wall Rectangular Tanks
- Constructed to UL® 142 standards
- Material thicknesses range from 12 gauge to 3/8”
- One year manufacturers limited warranty
- Subjected to 1 ½ PSI factory air test
- Sizes available 20 gallons to 15,000 gallons
- Multi-compartment tanks available
- Red Oxide primer (standard)
- Available in an assortment of colors
- Made with U.S. Steel
- Custom sizes available
- Emergency vent openings standard (UL® 142 required)
- Drain opening
- Built to specific needs
Double Wall Rectangular Tanks

- Flameshield® Double Wall storage tanks are manufactured with a tight wrap double wall design. They are engineered with built-in secondary containment and interstial leak monitoring capabilities
- Entire tank assembly (primary tank/secondary tank/saddles) labeled UL® 142 and SwRI® #97-04
- Can build tanks from 50 to 15,000 gallons
- Custom sizes are available
- Available in an assortment of colors
- Primary and secondary tank can be tightness tested on site with standard testing procedures, or manufacturer can ship with vacuum in the interstice to prove integrity of both walls during installation
- Flameshield® Double Wall meets the requirements of EPA and NFPA 30 codes
- Stanwade builds Flameshield® Double Wall tanks in 360 degrees total enclosure secondary containment configurations.
- Optional 110% secondary containment available
- Third party quality control inspection program
- Tanks can be built with multiple compartments (multi-product)
- May reduce fire code separation distances
- Made with U.S. Steel
- Built to specific needs