Procedures for national approvals

Allgemeine bauaufsichtliche Zulassung - (abZ)
'national technical approvals'

Allgemeine bauaufsichtliche Zulassungen are granted for such construction products and types of construction within the scope of application of the building laws of the Länder (federal states in Germany) for which generally acknowledged rules of technology in particular DIN standards do not exist or which differ significantly from these.

Allgemeine bauaufsichtliche Zulassungen are issued for all Länder by Deutsches Institut für Bautechnik. They represent an assessment of use or application, of the subject of approval in view of the requirements.

The areas of approval range from construction products and types of construction, such as solid construction and steel construction over masonry and timber construction to the areas of thermal insulation products, glass, scaffolds, bearings, ventilation systems, insulation materials, sealant, renewal of pipes, reaction to fire and resistance to fire and to tanks and expansion joints.

Application form for a

  • national technical approval
  • national technical approval including a general construction technique permission
  • construction technique permission

Amending, supplementing or renewing a national technical approval or general construction technique permission

How to provide drawings for national technical approvals and general construction technique permissions