Patent ID: 8344885

Claim:
An apparatus comprising: a weldable frame; a plurality of composite panels, each composite panel securable to the weldable frame, each composite panel configured to form at least one joint with at least one adjoining composite panel, and a respective security element embedded within each of the composite panels, wherein the security element is configured to detect a breach in the composite panel, wherein a first and a second of the security element embedded, respectively, within a first and a second of the plurality of composite panels are interconnected such that the first security element can detect a breach in the second composite panel; said apparatus further comprising a corner joint, wherein, at said corner joint, at least a portion of the weldable frame of each of a first and a second security structures are welded to each other or to a weldable support member, and at least a portion of a composite panel from the first security structure and at least a portion of a composite panel from the second security structure form an angled joint of substantially contiguous composite material.