Squibb Tank Company fabricates Double-Wall UL-142 aboveground steel storage tanks to provide safe storage of flammable and combustible liquids.  Double-Wall tanks are available in both vertical & horizontal tank construction.  The vertical tank construction (pictured) utilize a minimal footprint while providing a low cost per gallon for fuel storage.  Double-wall UL-142 tanks provide secondary containment for both bottom and shell (wall) surfaces maintaining a single-wall top.  The outer shell is seal-welded to the inner shell, just below the tank's top.  Emergency vent fittings are provided for the inner and outer tanks. Our standard tank construction comes with a slightly coned top & with a flat flanged bottom.