Patent ID: 7448177

Claim:
A roofing system for covering a roof deck, the system comprising: a plurality of slate rows, said slate rows being comprised of a plurality of slate members, said slate members having two side edges, a top edge and a bottom edge, wherein said side edges are aligned with the side edges of an adjacent slate member to form said slate row; and said slate members being secured to said roof deck by an attachment subsystem comprising: a plurality of battens each having a plurality of hanger holders disposed along its length, each of said hanger holder comprising opposing openings formed through each of said batten; and a plurality of hangers, said hangers having; a short member and a long member, said long member having a hook on its distal end, a first outward extending arm having a distal end coupled to a proximal end of the long member and a proximal end coupled to a central connecting member, a second outward extending arm having a proximal end coupled to the central connecting member and a distal end coupled to a proximal end of the short member; and each of said plurality of hangers being removeably secured to a corresponding said hanger holders in said battens by the first and second outward extending arms of each said hanger expanding within the opposing openings of the corresponding hanger holder.