Designed to have the case installed during the "rough-in" stages of construction and the fabric assembly during the finish stage.\n\nTab guide cable system maintains even lateral tension to hold surface flat while custom slat bar with added weight maintains vertical tension.\n\nFront projection surfaces standard with black backing for opacity.\n\nFor easy installation, the Tensioned Advantage is available with SCB-100 or SCB-200 (RS-232 serial control board) built into the case.\n\nUL Plenum Rated case.