The name Ludwig Freytag has been associated for over 100 years with experience, trustworthiness and high performance in construction. Our exceptionally high quality standards are reflected not only in a large number of successfully completed construction projects and satisfied customers, but also in the certification of our quality management system according to DIN EN ISO 9001:2000.
Gemeinschaft für Überwachung im Bauwesen e. V.
SIVV-certificate for the protection, restoration, connection and reinforcing of concrete parts
www.gueb-online.de up right arrow
Deutscher Verein des Gas- und Wasserfaches e.V.
(German Association for the Gas and Water Sector)
DVGW certification G1+pe, W1+pe
AGFW certification FW1: cu, ku, s
www.dvgw.de up right arrow
Deutscher Verband für Schweißen und verwandte Verfahren e.V.
(German Association for Welding Technology)
Full approval according to DIN 18800, part 7
www.die-verbindungs-spezialisten.de up right arrow
Technischer Überwachungs-Verein Norddeutschland e.V.
(Technical Monitoring Association for North Germany)
Certification according to DIN EN ISO 3834-2
Approval for specialist operation according to § 19 WHG
Approval for specialist operation according to TRB 200/AD HPO
www.tuev-nord.de up right arrow
Qualitymanagement according to DIN EN ISO 9001,
Safety, health and environment protection system (SGU)
according to the SCC set of rules
www.tuev-nord.de up right arrow
Institut für Bautechnik, Berlin
(Institute for Construction Engineering, Berlin)
Approval for rigid adhesive joins between
steel plates and steel concrete parts or pre-stressed concrete parts
www.dibt.de up right arrow
Bundesamt für Wirtschaft und Ausfuhrkontrolle
(Federal Office for Commerce)
Approval for NATO infrastructure contracts
www.bafa.de up right arrow