Pedestrian doorsets, industrial, commercial, garage doors and openable windows with fire resistance and/or smoke control characteristics – Installation and maintenance
standard by Deutsches Institut Fur Normung E.V. (German National Standard), 10/01/2017

Fire barriers; installation of fire doors in fireproof masonry or concrete walls; position and shapes of anchorages, installation
standard by Deutsches Institut Fur Normung E.V. (German National Standard), 06/01/1987