US Patent 10156302 Mechanical electrical plumbing rack device

A system for organizing, insulating and supporting pipes within a mechanical/electrical/plumbing (MEP) rack including a composite panel supported in the rack, the composite panel being fabricated from a first non-metallic panel and a second metallic panel, the first panel being adhered to a rear surface of the second panel. A plurality of passageways extend through the composite panel, each passageway being defined by a first opening extending through the first panel and a second opening extending through the second panel. So that the innermost diameter of the first passageway is defined by the first panel, the second opening is arranged concentrically around the first opening.