Chicago Boiler designs and fabricates UL-142 Aboveground Steel Storage Tanks that deliver safe, reliable containment for petroleum products and chemicals. Meeting the rigorous Underwriters Laboratories (UL) standards, these tanks provide businesses across industries with proven performance, durability, and compliance.
Designed for Multiple Applications
UL-142 tanks are the preferred solution for storing flammable and combustible liquids at:
- Bulk plants
- Transportation facilities
- Industrial sites
- Military and commercial airports
Construction & Options
- Built from carbon steel or stainless steel, depending on application requirements
- Available in single-wall or double-wall designs
- UL tanks require a specific gravity of 1.0 or less
- Outfitted with a wide variety of UL-accepted accessories (including manways, fittings, and vents)
- Supports, saddles, or skids available for horizontal installations
- Optional ladders, stairs, platforms, or walkways for safe access and maintenance
Why Chicago Boiler Company?
With over 135 years of fabrication expertise, Chicago Boiler guarantees that every UL-142 tank is manufactured to meet strict UL standards and your project’s unique specifications. From design and material selection to accessories and installation support, we deliver safe, compliant, and long-lasting storage solutions.



