Patent ID: 7228667

Claim:
A door system for a building, said door system comprising: a rigid internal frame having at least four tubular members that define a shape for the door system, wherein each tubular member comprises four continuous outer walls that define an open interior; an interior sheath attached to said internal frame, wherein the interior sheath has an outer periphery defined by at least four outer edges; an exterior sheath attached to said internal frame, wherein the exterior sheath has an outer periphery defined by at least four outer edges; and exterior trim attached on said exterior sheath; wherein at least two of the outer edges of the exterior sheath extend beyond the internal frame, and wherein the internal frame positioned between the interior sheath and exterior sheath forms a generally rigid door that resists bowing; and wherein the internal frame comprises tubular metal members disposed in a rectangular configuration with exterior edges. and wherein the outer edges of said interior sheath are flush with the exterior edges of the internal frame.