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A thermally efficient, protected membrane roofing system for insulating the interior of a building including a water impermeable membrane (26) and an array of factory assembled roofing panels including a drainage and insulation board (42), a vapor barrier course (44) and an insulation course (46). T

A thermally efficient, protected membrane roofing system for insulating the interior of a building including a water impermeable membrane (26) and an array of factory assembled roofing panels including a drainage and insulation board (42), a vapor barrier course (44) and an insulation course (46). The seams between adjacent roofing panels is covered with a water proof, but vapor permeable, tape (48) and the panels are covered with a protective layer (50).

대표청구항 ▼

A thermally efficient, protected membrane roofing system for insulating the interior of a building from ambient thermal cycling and for insuring water impermeable integrity of the building, said roofing system comprising: a water impermeable membrane overlaying a roof deck or the like; an array of f

A thermally efficient, protected membrane roofing system for insulating the interior of a building from ambient thermal cycling and for insuring water impermeable integrity of the building, said roofing system comprising: a water impermeable membrane overlaying a roof deck or the like; an array of factory assembled roofing panels positioned in a juxtaposed position across the roof deck and operably and overlaying said water impermeable membrane, said panels each including at least, a vapor barrier course, and an insulation course overlaying the vapor barrier course, said insulation course serving to protect and isolate the water impermeable membrane from external thermal cycling and said vapor barrier course serving to protect the insulation course from outwardly driven water vapor from the building or the surface of the water impermeable membrane; a waterproof, but vapor permeable, tape bonded to the exterior surface of adjacent roofing, insulation panels to isolate the seam from penetration of surface water while concomitantly permitting the escape of water vapor from beneath the panels to the atmosphere through the peripheral seams of said roofing insulation panels, said waterproof tape including a plurality of conical extensions aligned along the edges of said tape for physical penetration into the outer surface of adjacent roofing panels; and a protective and retaining course overlaying the outer surface of the roofing panels to isolate the panels from ultraviolet degradation and retaining the panels in position upon the roofing deck.