DELTA® in the Gotthard Tunnel!

On June 1, 2016, the 57-km Gotthard Tunnel was officially opened in Switzerland. The materials used in building the world's longest railway tunnel include our high-performance drainage sheets DELTA®-AT 800/1200.

 
Dörken GmbH & Co. KG

Dörken GmbH & Co. KG
Wetterstraße 58
D-58313 Herdecke
Germany

Phone     0 23 30/63-0
Fax         0 23 30/63-355
E-Mail   bvf@doerken.de

Dörken Worldwide

Dörken Worldwide
 

© Dörken GmbH & Co. KG. · A Dörken Group Company · DELTA® is a registered trademark of Ewald Dörken AG, Herdecke, Germany.