Certifications & norms

Fiberline & Thornmann cooperation

Certifications & norms

Fiberline & Thornmann cooperation

ISO 9001

Fiberline uses its ISO certification as an active tool in the company’s strategic management. The organisation must collaborate to create value for the customer and the company. This we achieve through efficient working procedures and administrative simplification which is a result of our acquaintance with the requirements of the customer. Our production in Tianjin, China, is also certified according to ISO.


At Fiberline we are continuously striving to reduce our internal energy consumption. We have ambitious goals in this direction, and our efforts have now resulted in energy certification (ISO 50001).


Fiberline is the first and one of the only producers in the world who holds a CE certificate for our structural GRP profiles.

Allgemeine Bauartgenehmigung

The building approval, Bauartgenehmigung/aBG, is issued by the German technical authority Deutsches Institut für Bautechnik (DIBt) and is an approval of the use of our products in the German construction sector. If you need the entire document, please contact us.

HPQ DBS certificering

Our construction profiles, planks and gratings fulfil all the requirements of the latest Deutsche Bahn standard. The approval also applies to preassembled constructions.

DNC certifikat

The gratings from Fiberline are certified by “Det Norske Veritas” for the use on ships and offshore platforms.

Approval from Network Rail

Structural GRP profiles from Fiberline can be used in all building activities started by Network Rail.

EN 13706-3:2002

Fiberline structural profiles made of pultruded glass fibre reinforced polymers are certified according to EN 13706-3:2002 by Prof. Dr.-lng. G. Sedlacek, Institute of Steel Construction, RWTH Aachen.

EN 12667 – Forschungsinstituts für Wärmeschutz e.V. München (FIW München)

Research Centre for heat protection – Forschungsinstituts für Wärmeschutz e.V. Munich (FIW Munich).

Investigation of the thermal conductivity for GRP plates. GRP is for instance used for thermal insulation in window frames, definition of the nominal thermal conductivity according to ISO 10456.

See also



Fiberglass components – non traditional, but such as traditional.



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