Patent ID: 7469508

Claim:
A prefabricated insulating panel for roofing buildings, comprising: an upper sheet of metal material; a lower sheet made of rigid or semi-rigid material; and a layer of insulating material arranged between the upper sheet and the lower sheet; wherein the upper sheet defines a plurality of substantially parallel longitudinal ribs that rise from a general plane of a respective face of the panel, the ribs extending according to a longitudinal direction of the panel; wherein at least a first rib and a second rib of said plurality of ribs support a photovoltaic module at opposed peripheral portions thereof, the module being supported in a plane of lie which is raised with respect to said general plane, said plane of lie being spaced apart from said general plane such that said module, said first rib, said second rib and a portion of said upper sheet which extends between said first and second ribbings delimit at least part of a chamber; and wherein between the upper and the lower sheet there is present at least one pipe extending in a longitudinal direction of the panel, the pipe receiving cables for electrical connection of said module.