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Welcome to the dga-Group

1 January 2019 marked the merger of the companies Dortmunder Gußasphalt GmbH & Co. KG, Isoliererzeugnisse Großröhrsdorf GmbH, TEWE Bauchemiegesellschaft mbH and Wm. Hilgers GmbH & Co. KG to form the dga Group. For our customers, this means better and faster service plus a much more extensive product portfolio.
Our homepage provides a complete overview of our products for road construction, building protection and industry. Do you have any questions or need technical advice? Get in touch with us!

Products

Are you looking for a certain product or product group? Simply enter the name in the search list. This will take you to the product you’re looking for.

Research and development

The development of new and customised solutions is a cornerstone of our success. This means we invest in not just modern laboratory equipment but also our qualified human resources. read more

Quality management

We owe our strong market position in the road construction and building protection segments to our successful quality policy. Our customers have our full support throughout all stages of their project, including in-depth consulting, the development of customised solution and the delivery of the final product, ready for processing. Their planning security benefits from our reliability as a supplier. read more

News

July 25th, 2019|

Double premiere for dga-Group at Techni-Mat

On 25 and 26 March 2020, Dortmunder Gußasphalt GmbH & Co. KG will celebrate […]

July 25th, 2019|

dga-Group enjoys a home advantage at the FGSV Congress in Dortmund

Dortmunder Gußasphalt GmbH & CO. will […]