LF550 FrameLess gLass LouvRE system by EBSA Introducing the LF550 frameless glass louvre system......for when size does matter. large frameless blades up to 600mm high continuous glass spans of up to 3300mm end pivoting with concealed mechanisms (in closed position) performance glazing with blades from 12mm up to 21.52mm thick manual or automated versions with option to integrate with BMS and Fire This is not your average louvre!