dga-Group: Strong brands for strong roads and building structures
With our well-known brands BIGUMA®, PROXAN®, COLZUMIX®, NILA® and DOBAU®, we have been ensuring durable and safe roads and building structures for over 50 years. At the same time, our products are characterized in particular by easy processability in both cold and hot applications.
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
Joint sealant BIGUMA®- Connect available again
The popular joint sealant BIGUMA®- Connect from Dortmunder Gußasphalt GmbH & Co. KG is […]
Streamlined supply thanks to improved formulation of PROXAN® joint sealants
From 08.08.2022, Dortmunder Gußasphalt GmbH & Co KG will offer […]