When structural brick are used, reinforcing in the brick work against the expansion of the brick to post-tension the reinforcing. This reinforcing also is used to transfer the bricks tension into the reinforcing. Spacing of expansion joints can be spaced at greater differences than those for brick veneer. Horizontally reinforced structural brick have performed well with expansion joints at 60 ft. centers. To prevent cracking at corners, continuous reinforcing should be used. Contact the manufacturer for specific recommendations.