Dörken GmbH & Co., one of the leading groups in the production of building materials in Europe. KG joined forces with the joint venture agreement signed with Erdem Holding on February 4, 2005. This agreement results, Dörken System Inc. was established to operate in the construction sector, the Dörken activities "DELTA" roof that produces the brand, waterproofing and drainage systems for facades and foundations started offering the market in Turkey. As of 2006, the production of "protection and drainage boards for foundation walls" was started under Dörken's "DELTA" brand in its Kocaeli Izmit factory.
Power, in every area of their investments without compromising the most modern technological products and the principle of providing the best service to these two giant group of young space from the experience and knowledge gained over 50 years, and dynamic Dörken System , as well as products produced in Turkey Dörken's based in Turkey of all products exports to Central Asian and Middle Eastern countries.
Using its production capacity effectively, Dörken Sistem's product range includes waterproofing covers and accessories for pitched roofs and curtain walls, foundation wall protection, insulation and drainage systems, scaffolding and protection tarpaulins.