24/07/2026
With more than 125 years of experience in the construction industry, Delta Dörken develops high-performance waterproofing, drainage and protection solutions under the DELTA® brand. The product range provides reliable solutions for every part of a building, from foundations and underground structures to roofs and facade systems.
Headquartered in Germany, Delta Dörken is recognized internationally for its innovative technologies and sustainable building solutions. The company combines advanced material technologies with practical application solutions to improve building durability, energy efficiency and long-term protection.
DELTA® protection and drainage sheets are designed to protect foundation walls, tunnels and engineering structures against moisture, water pressure and soil loads.
These systems help distribute external pressure, improve drainage performance and protect waterproofing layers from mechanical damage. They provide a reliable solution for underground structures and areas exposed to challenging environmental conditions.
Designed for sustainable and environmentally friendly construction projects, DELTA® green roof solutions support both extensive and intensive green roof applications.
Their advanced drainage and water retention properties help maintain the moisture balance required for vegetation while improving thermal performance and supporting efficient rainwater management.
For both pitched and flat roof applications, DELTA® roof membranes provide reliable protection against rain, wind and water vapor.
Air and vapor control layers improve building energy performance by reducing unwanted air movement and helping maintain indoor comfort. These solutions are suitable for both new construction projects and renovation applications.
DELTA® facade membranes provide protection for modern facade structures made from materials such as wood, glass, metal and composite panels.
These lightweight and flexible solutions help prevent moisture penetration while supporting architectural freedom and maintaining facade durability.
Delta Dörken products offer reliable advantages for modern construction projects:
Delta Dörken products can be used in various construction applications, including foundation walls, tunnels, green roofs, pitched roofs, flat roofs and facade systems.
Green roof systems improve thermal insulation, support energy savings, contribute to sustainable urban development and help manage rainwater efficiently.
DELTA® facade membranes are suitable for different facade materials, including wood, glass, metal, composite panels and siding systems.
Delta roof membranes protect buildings against water, moisture, wind and vapor while improving energy efficiency and extending roof system performance.
Yes. Delta Dörken solutions are developed with sustainability in mind, supporting energy-efficient buildings and environmentally responsible construction practices.
Delta Dörken provides innovative, durable and reliable construction solutions that protect buildings from foundations to roofs while improving energy efficiency, sustainability and long-term performance.