Are Stackable Poly Tanks U/L approved?

No.  To receive the proper U/L Rating (U/L 142), Tanks need to withstand a fire test.  Obviously, poly tanks melt when exposed to fire.  Some manufacturers of stackable poly tanks claim to be U/L approved.  This is a sham.  They are not properly U/L approved, and if you plan to store Class IIIB flammable products […]

Do I need a double wall tank for Waste Oil?

A qualified Yes.  We always recommend a double wall tank for storing class IIIB flammable products (waste oil).  However, in some municipalities, you can get away with a single wall.  You will typically need some type of secondary containment with a single wall though-a dike, a basement, etc. It’s cheaper to just go double wall […]