Patent ID: 8443565
Filing Date: 2013-05-21
Classification: E04F,F16B

Abstract:
1. A standing seam panel system, comprising: at least a pair panels meeting at a joint, said panels have standing flanges and detents near bases of said flanges; a mullion including a main extrusion and a secondary extrusion, said main extrusion having an innermost portion, and a main hooked portion opposite said innermost portion, said secondary extrusion attached to said main extrusion and having a leg hooked portion opposite said main hooked portion to form a pair of hooked portions, said hooked portions engaging said detents of said panels; slotted holes defined within said main extrusion; screw fasteners passing through said slotted holes of said main extrusion and into a building substrate, wherein said innermost portion of said main extrusion is attached to a building substrate such that said mullion is adapted to move vertically along said building substrate to accommodate expansion or contraction of said panels.