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Sub Base Tanks | UL Rated Generator Tanks

UL 142 & UL 2085 Sub Base Tank Manufacturer

Panel Built, Inc. now manufactures generator sub base tanks that are capable of meeting UL 142 standards for flammable and combustible liquids.  These Sub Base Tanks hold the diesel fuel necessary to run a backup or emergency power generator. With a large quantity of flammable liquid stored in one place, the tank has heavy gauge steel side channels and can be equipped with vent, fill, and alarm packages.

Panel Built UL 2085 sub base tanks incorporate a protective, double wall design.  The tank itself is manufactured and design to have fire resistance, blast resistance, and overall impact resistance.  Thermal insulation is incorporated in the walls of the tank in order to provide it with a 2 Hour Fire Rating.

Custom Generator Tank Design

Our sub base tanks can be fabricated to meet our customers’ exact needs.  The height, width, and depth of the tanks can be adjusted to meet the generator size & fuel amount desired. Tank’s overall fuel capacity can be adapted by increasing the overall depth of the tank.  Whether the project is big or small, we have the expertise to provide the tank that is the right fit for you. 

Turn-Key Sub Base Tank Provider

Panel Built, Inc. can handle every phase of your generator sub base tank. Through design, engineering, fabrication, delivery, and installation, we strive to ensure the entire process is as convenient and problem-free as possible for our customers. Panel Built has over 20 years experience in the prefabricated construction industry and has great all the tools necessary to take your project from start to finish.



  • Heavy Gauge Side Channels
  • Fuel Level Gauge
  • Vent/Fill/Alarm Packages
  • Lifting Plates
  • Prime & Finish Paint
  • Secondary Containment Sub Base Tank (UL 142)

Request a Quote

Call For Modular Building Solutions 800.636.3873