Patent ID: 7690165

Claim:
An insulating cover for a folding stair assembly comprising: a. a support frame with inner perimeter dimensions corresponding to the inner perimeter dimensions of the stair frame and outer perimeter dimensions corresponding to the outer perimeter dimensions of the stair frame, said support frame comprising a first end element, a second end element, a first side element, a second side element, b. a cover assembly having corresponding inner and outer dimensions of said support frame comprising a first end element, a second end element, a first side element, a second side element, a top element comprising an outer layer and an inner insulating layer, and a ventilation apparatus disposed in the top element to allow air flow through said cover, c. a hinge apparatus connected to the end element of said support frame and to the corresponding end element of said cover assembly, said cover assembly movable between a first closed position in alignment and in contact with said frame, and a second open position to provide through access, d. an air transfer barrier interposed between said stair frame and said support frame, and e. said support frame substantially aligned and securedly attached to said stair frame.