For over 40 years, high quality products have been produced under the DELTA brand name, always offering top levels of protection, reliability and energy conservation.

Behind this achievement is a company operating on an international scale with a team of highly motivated people.



With special sheets for high-pitched roofs, foundation wall protection, drainage and sealing systems as well as tarpaulins the Dörken GmbH & Co KG has attainded a leading position in the European market. The slogan "DELTA® protects properties. Saves energy. Creates comfort." explains the special advantage of the products, which are appreciated by planners, workers, owners and dealers.

DELTA-Roof Systems

DELTA-Wall membrane

DELTA-Protection system for foundation walls drainage and sealing