Protection against smoke with low space and weight. Our innovative rolling curtain SC310 for smoke control has been tested successfully according to EN 1634-3 (classification S200 C3). Minimum space needed for the side guides and at the lintel and the very lightweight construction allow a hidden installation. Like all Effertz doors, SC310 conforms to all the European safety standards for electrically operated doors. Effertz exclusive quality benefit: all visible steel covers are protected by a peelable film until being handed over.