Extruded seal plate for horizontal insulated composite architectural panel vertical end joints

A seal plate assembly for a vertical end joint between first and second building panels, each building panel having a first side and a second side, the seal plate assembly comprising:

• an elongate body having a first side and second side, the first side of the elongate body defining a pair of gasket receiving portions, a pair of sealant receiving portions, and a pair of channels each positioned between respective gasket receiving portions and sealant receiving portions, the pair of gasket receiving portions, the pair of sealant receiving portions, and the pair of channels extending at least a portion of the length of the elongate body;
• and
• a pair of elongate gaskets received by the respective gasket receiving portions of the elongate body, the pair of gaskets configured to engage the second side of the first and second building panels,
• wherein the pair of recessed channels is adapted to communicate with an exterior atmosphere such that a pressure within the recessed channel is equalized to the exterior atmosphere, wherein each of the sealant receiving portions is positioned inboard from the respective elongate gaskets toward respective longitudinal edges of the elongate body, and wherein each of the sealant receiving portions includes a recessed pocket configured to receive a bead of sealant.