Abstract: A heatable container suitable for material such as bitumen. The container includes a vessel for holding a flowable material having side wall zones, end wall zones and a base wall zone. The container also includes a heating system for transferring heat to at least the base wall zone as well as a zone disposed along a central longitudinal axis of the vessel. The heating system may also included at least two internal heating ducts for conveying a heat transfer medium, wherein the ducts are disposed substantially parallel relative to the central longitudinal axis of the vessel, and are vertically and horizontally spaced apart relative to one another.