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Glasteel II Underground Tanks

Modren Welding Co. Tanks Modern’s Glasteel II “Jacketed Secondarily Contained Underground Storage Tank

  • 300 to 60,000 gallon capacity
  • Material of construction; carbon steel
  • Most cost effective underground secondary containment system on the market
  • Underwriters Laboratories Construction, UL-58, UL-1746 Part III
  • Available with multiple compartments for multiple fuel storage
  • Compatible with gasoline, diesel, fuel oil, ethanol, methanol and additives
  • Can be lined internally for special applications, such as jet fuel or potable water storage
  • Installation friendly and lower installation cost
  • 30 year Limited Warranty

Glasteel II™: “Jacketed Secondary Containment – A steel tank with a nonmetallic external jacket constructed of fiberglass and polyester resin. The primary tank and FRP jacket are separated by an interstitial space with the jacket acting as the secondary containment and corrosion barrier.” Secondary jacket allows for interstitial monitoring capabilities. Glasteel II tanks may also be built with or without multiple compartments for multiple fuel storage. Glasteel II tanks are built to Underwriters Laboratories specification standard UL-58 and UL-1746 part III. Glasteel II tanks are atmospheric steel tanks intended for storage underground of flammable and combustible liquids. Threaded fittings can be located along the tank top centerline or they can be installed inside containment sumps.



Aboveground Storage Tanks

500 to 50,000 gallon capacity • Material of construction maybe carbon or stainless steel • Underwriters Laboratories Construction, UL-142 • Single or double wall steel configurations available • Available with multiple compartments for multiple fuel storage • Compatible with gasoline, diesel, fuel oil, ethanol, methanol and additives • Lined internally for special applications, such as jet fuel or potable water storage • Tank supports maybe, flat bottom, beam legs or skirt • Tanks available with pump platforms and accessories • Special pumping equipment available



Xerxes Petroleum Tanks

For decades, major oil companies, convenience-store chains and independent marketers have chosen Xerxes fiberglass tanks for their underground storage needs. In fact, approximately 95 percent of all tank purchases by major oil marketers today are fiberglass tanks. The overwhelming choice of fiberglass tanks for the underground storage of petroleum products results from the environmental problems caused by leakage from steel tanks due to rust both inside and outside. Xerxes' rustproof fiberglass tanks provide a reliable, cost-effective solution for the safe containment of petroleum products.

Today, major oil, hypermarket, convenience-store and commercial companies, as well as independent marketers, choose Xerxes fiberglass tanks for a number of reasons.

  • They are among the strongest, most robust underground storage tanks available because they are constructed with integral ribs (functioning like fluting in corrugated board).
  • They do not rust because they are made of corrosion-resistant materials, which eliminates the possibility of leakage due to either internal or external rusting.
  • Once installed, they require no corrosion maintenance or EPA-mandated corrosion monitoring. They are easy and quick to install because they are lightweight.
  • They adapt easily to a variety of applications because of their flexible design options.
  • They are available in single-wall, double-wall and triple-wall options.
  • They are available in a variety of two and three compartment sizes.
  • They are available nationwide.




HT Aboveground Horizontal Highland
Highland UL-142 Tanks

Aboveground Horizontal UL-142 Tanks Highland aboveground steel tanks provide superior structural strength, product compatibility and durability for all your storage tank needs. Highland offers a variety of industry-proven designs with single and double wall options. Each tank is backed by Highland Tank’s team of professionals in design, engineering, fabrication, delivery and service.

Highland aboveground horizontal tanks are available with or without supports to meet your requirements. Highland tanks are constructed to be compatible with the full range of petroleum products including those with higher methanol and ethanol contents.

Each tank is constructed, tested, and labeled in accordance with Underwriters Laboratories Standard for Safety for the Aboveground Storage of Flammable and Combustible Liquids UL-142.

The UL Storage Tank Standards provide a long history of construction dependability. In addition, Highland’s tanks meet or exceed the Federal Environmental Protection Agency’s regulations for aboveground storage tanks for petroleum and chemical products.




HT TITAN Tanks Highland
TITAN Underground Tanks

TITAN® Tanks for the 21st Century and beyond!

The TITAN® is the most technologically advanced underground storage tank available anywhere in the world! This recent breakthrough in underground storage tank protection involves bonding, at every opening, a high molecular weight (HMW) polymer outer tank to a steel inner tank using high heat and pressure. The result is an extremely tough doublewall tank.

TITAN®'s innovative enhancements offer secondary containment and damage resistance along with reduced installation costs. Both the primary and secondary tank walls are compatible with all motor fuels and their ethanol, methanol and MTBE additives

Striker plates are provided under each opening for added protection. Each TITAN® is engineered to allow for sixty inches of overburden. The outer tank made of rigid HMW polymer surpasses the performance standards of Underwriters Laboratories UL-1746. Titan tanks are for the storage of unheated product only. The temperature of any tank component or contents cannot exceed 100º F. For high-temperature storage applications, we recommend using the Highland HotShot Heated Product Storage Tank.


  • Complete Secondary Containment
  • Virtually Damage Proof Exterior
  • Low Installation Cost
  • 30 Year Limited Warranty
  • Superior Strength
  • Single or Multiple Compartments
  • 500 -29,800 gallon capacities




HT Fireguard Highland
Fireguard Tanks

The Fireguard is an attractive alternative for complying with the stringent underground tank regulations.

Fireguard tanks are thermally protected, doublewall steel cylindrical or rectangular aboveground tanks. Fireguards® offer a smart alternative to the problem of safely storing motor fuels and other dangerous liquids aboveground. They are used where a fire-protected tank is needed because of setback limitations and/or regulatory insistence for storage of flammable and combustable liquids. These tanks are Underwriters' Laboratories UL-2085 labeled for Fire Protection, Impact Resistance, Ballistics Resistance and Secondary Containment

Fireguard® Meets or Exceeds These Requirements:

  • UL-2085 Standard for Insulated Secondary Containment Aboveground Tanks
  • Steel Tank Institute F941 Standard for Thermally Insulated Aboveground Storage Tanks
  • UL-142
  • 2000 International Fire Code
  • NFPA 30 & 30A Codes
  • CARB #G-70-162 (California Air Resources Board)
  • 1993 Building Officials and Code Administrators (BOCA)
  • National Fire Prevention Code
  • Southern Building Code Congress International (SBCCI)
  • Standard Fire Prevention Code



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