Static structures (e.g. – buildings) – Wall – ceiling – floor – or roof designed for ventilation or...
Patent
1994-06-23
1995-12-12
Friedman, Carl D.
Static structures (e.g., buildings)
Wall, ceiling, floor, or roof designed for ventilation or...
52 95, 523023, 52408, 454260, E04B 700, E04C 210
Patent
active
054738474
ABSTRACT:
A ventilated insulated roofing system comprises a rigid roof deck, a roof comprising a rigid roof support member or sheathing which is above and spaced from the roof deck, and an exterior covering layer supported on the sheathing, and an insulation course between the roof deck and the sheathing. The insulation course is preferably a rigid lightweight foamed insulation material comprising an imperforate first portion which rests on the roof deck and a second portion comprising a plurality of spaced projections forming a network of interconnected air channels which are in communication with the under side of the sheathing. The roofing system further includes a course composed of one or more panels along a peripheral edge or portion of the perimeter of the roofing system. Each panel includes a rectangular board, a rigid foam insulation member which comprises a first imperforate portion and a second portion having projections extending from the first portion to the rigid board, forming a network of interconnecting air channels, a horizontally extending vent adhered to the rigid board for admitting air to the under side of the rigid board while excluding moisture, at least one protective air and water impermeable sheet for protecting the insulation member from moisture, and a vent associated with the protective sheet for admitting air to air spaces in the panel and the roofing system while excluding moisture.
REFERENCES:
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patent: 3817009 (1974-06-01), Elder
patent: 4651494 (1987-03-01), Van Wagoner
patent: 4776262 (1988-10-01), Curran
patent: 4804578 (1989-02-01), Crookston
patent: 4807409 (1989-02-01), Sells
patent: 4852314 (1989-08-01), Moore, Jr.
patent: 4937990 (1990-07-01), Paquette
patent: 5069950 (1991-12-01), Crookston
patent: 5369926 (1994-12-01), Borland
Friedman Carl D.
Nguyen Kien T.
Old Reliable Wholesale Inc.
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