A wrap assembly for a structural column extending between a bottom support and an overhead support includes a pair of similar, mating, elongated, molded plastic shaft sections each section having an interior surface, an exterior surface, a pair of side edges extending between those surfaces and an integral flange projecting from the exterior surface at one end of that shaft section. The shaft sections are shaped and dimensioned so that when the sections are juxtaposed with their interior surfaces facing one another and their side edges in abutment, the sections form a substantially continuous tubular shaft with an integral fastening cleat, defined by the flanges, at one end of the shaft by which the shaft may be secured to one of the supports. An annular fastening cleat surrounds the other end of the shaft for fastening to the other support to fix the other end of the shaft. Mating molded plastic base and capitol sections surround the shaft sections adjacent to the flanges and cleat, respectively, to add decoration and to cover the fasteners.