Metal-faced building panels having angled projections in longitudinal edge recesses for mating with locking ramps on flanges of concealed I-shaped connector

A structural building assembly comprising:

• a plurality of panels having an interior surface and an exterior surface with an upper short edge and a lower short edge and parallel longitudinal edges there between, each longitudinal edge of each panel having two spaced deep recesses and a single central shallow recess equally spaced from the two spaced deep recesses to function as a thermal break to reduce thermal conductivity;
• a plurality of concealed locking beams having a generally I-shaped configuration with a central section and parallel end sections, each end section having a central region and end regions with the central region being of a thickness less than the end regions of each end section to form a locking ramp;
• and
• a pair of similarly configured metal facings for each concealed locking beam with opposed end parts located within the deep recesses at the longitudinal edges of each panel, each end part terminating in an angled planar projection configured to allow the end regions of the concealed locking beams to move parallel with the interior and exterior surfaces to compress the angled planar projections and locking ramps and allow the end regions of the concealed locking beams to mate with the metal facings.