Roofing panel

• US 4,279,106 A
• Filed: 11/05/1979
• Issued: 07/21/1981
• Est. Priority Date: 11/05/1979
• Status: Expired due to Term

• Current Assignee: Charles H. Gleason, James O. Greenleaf
• Original Assignee: Charles H. Gleason, James O. Greenleaf
• Inventors: Greenleaf, James O., Gleason, Charles H.
• Primary Examiner(s): Perham, Alfred C.
• Application Number:
  US06/091,570
• Time in Patent Office: 624 Days
• Field of Search: 52/309.4, 52/309.8, 52/558, 52/536, 52/556, 52/521, 52/98, 52/99, 52/100
• US Class Current: 52/100
• CPC Class Codes: E04D 1/265 the roofing elements being rigid, e.g. made of metal, wood or concrete
• CPC Class Codes: E04D 1/2914 having fastening means or anchors at juncture of adjacent roofing elements
• CPC Class Codes: E04D 1/2928 having slits receiving marginal edge of adjacent section
• CPC Class Codes: E04D 3/351 at least one of the layers being composed of insulating material, e.g. fibre or foam material
• CPC Class Codes: E04D 3/355 the insulating layers of adjacent slabs having cooperating edges
• CPC Class Codes: E04D 3/358 with at least one of the layers being offset with respect to another layer

Abstract

A thin shell of hard plastic has a cavity within which a polyurethane foam is received. Each panel includes an upper, relatively straight-line edge, two side edges at substantially 90 degrees to the upper edge, and a lower, irregular edge having the appearance of a plurality of individual roofing shakes. The upper edge is canted upwardly for receipt within a groove in the underside of an upper overlapping panel. In addition, immediately adjacent the canted upper edge, there is a bandlike section through which roofing nails may be applied for securing the panel to the roof. The undersurface of each panel includes a stepped arrangement, not unlike that encountered in a roof constructed of individual shakes, which arrangement enables a pair of such panels to be fitted together with the top surface of one panel contacting the lower surface of another panel and forming a substantially parallel surface package for storage and shipment. An edge of each panel shell has a plurality of ribs which are pressed into the foam of the underside of an immediately adjacent panel to the side providing a barrier against the access of water.

Claims

1. A roofing panel for interfitting with other roofing panels to form a roofing surface, comprising:

a rigid molded shell having a decorative surface and an oppositely directed shallow cavity;

said shell having a top edge margined band extending across the full width of the shell and angularly directed upwardly and away from the decorative surface and a plurality of spaced thin-wall sections of the marginal band forming tabs of said band adapted to be selectively broken away and removed from the remainder of the band;

a side edge margin of the shell including continuous rib means facing in the same direction as the decorative surface; and

a rigid foam body received in the molded shell cavity including a slot extending along and spaced from the shell lower edge adapted for receiving the top edge marginal of another roofing panel therein, and a faced-off outwardly directed surface adapted for receipt onto the rib means of another roofing panel.

2. A roofing panel as in claim 1, in which the shell is molded from a polyester plastic and has a wall thickness lying in the range of 0.030-0.060 inches.

3. A roofing panel as in claim 1, in which the foam body is constructed of a polyurethane foam having a density of about 2 pounds per cubic foot.