Patent ID: 8316603

Claim:
A manufactured insulating panel comprising a first panel portion; and a second panel portion substantially the same as the first panel portion, the first and second panel portions each including a profiled external metal sheet and an internal metal backing tray having a foam insulating core therebetween, the foam insulating core being entirely exposed and in contact between the panel portions at both side edges of the panel portions, the panel portions, at the profiled external metal sheet and at the internal metal backing tray, each having an overlap part for receiving part of an adjacent panel portion, on assembly, the first and second panel portions being bonded together at the overlap parts therebetween, the overlap parts being located at the side edges of the panel portions, the external sheet of the panel portions having a longitudinally extending recessed region along both side edges, the recessed region along one side being filled with foam and defining a male side overlap part and the recessed region along the opposite side being open to define a female overlap part for reception of the male overlap part of an adjacent panel portion, and the recessed regions of the external sheets being bonded together at the overlap parts, the contact of the insulating core at both side edges being exclusive of the male side overlap part and the female side overlap part, the backing tray of the panel portions including a projecting part extending along one side edge and a recessed part extending along the opposite side edge, the projecting and recessed parts of the backing sheets of the panel sections being overlapped and spaced apart from each other to define a gap containing an adhesive bead, the projecting part of the one side edge of one panel portion projecting above the backing tray of an adjacent panel portion, and the backing tray projecting part and recessed part of the panel portions being bonded together at the side overlap while maintaining the gap filled with adhesive.