Made from stainless steel or aluminium. The frame is fixed via spigots to a floor plate. The cover houses an IP rated gear box, containing terminals for mains, internal connections and data cables if required.

The Expost has has 3 full height panels, a central illuminated panel and two others for durability.The central Panel is illuminated by a long life LED strip via mains (if Required) and than by Nicke-Metal Hydride batteries in the event of a mains failure.