Patent ID: 8397446

Claim:
A composite board for use as a roofing or other surfacing material comprising a sandwich of: (a) a core material layer having first, upper, and second, lower, opposite surfaces and being a solidified, previously molten, bituminous material having filler components of recycled roofing products therein that include any of: (i) shingle particles containing fibrous material; and (ii) roll roofing particles containing fibrous material; wherein any fibrous materials of the core material are comminuted particles of fibrous materials (b) a first layer of mat material with a lower surface adhered to the first, upper, surface of the core material layer; (c) a second layer of mat material with an upper surface thereof adhered to the second, lower, surface of the core material layer; (d) a layer of adhesive secured to a lower surface of said second layer of mat material; (e) a photovoltaic layer covering an upper surface of said first layer of mat material; and (f) a removable layer of release liner adhered to and covering said layer of adhesive of clause (d).