Patent ID: 8438806

Claim:
A composite panel for a rooftop surface, said composite panel comprising: a core material board having a top surface and a bottom surface with a plurality of openings through said core material board extending from said top surface to said bottom surface; a rigid outer shell of solid material that encapsulates said core material board; a plurality of supports of said solid material, wherein each of said plurality of supports extends through one of said plurality of openings in said core material board; a plurality of legs on a portion of said rigid outer shell covering said bottom surface; said plurality of legs supporting said composite panel over a surface of a structure defining a gap between said surface of said structure and a portion of said rigid outer shell over said bottom surface of said core material board; and wherein said plurality of legs define a network of multi-directional flow paths under said composite panel in said gap defined by said plurality of legs, wherein each of said flow paths directs a flow of material in a different direction, said network of flow paths including at least a first flow path and a second flow path, wherein said first flow path and said second flow path are in different directions, wherein each of said legs is cylinder shaped, and wherein each of said supports is substantially aligned with one of said legs.