KARL WEISS - Tradition since 1906

The company KARL WEISS Technologies operates in the field of trenchless construction for pipelines. We also execute infrastructure services in civil engineering underground, as well as the classic building of pipelines and sewers.

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Ground engineering & Specialty Foundation

The company KARL WEISS Technologies GmbH is equipped to carry out all common types of pit shoring works with its own plant and staff.

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Building of pipelines and sewers

The building and renovation of the corresponding networks and grids are the main task of our company. The roots of Karl Weiss Technologies GmbH lie in pipeline and sewer building.

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starline® - Trenchless Rehabilitation

We developed the starline® technology for the durable trenchless rehabilitation of pressurized pipelines weakened by age, using fabric hose relining.

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hydros® - Trenchless replacement

KARL WEISS developed its hydros® technology for the fast and economical trenchless replacement of pressurized pipelines (connection pipelines and distribution pipelines).

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Special Projekts

Even for KARL WEISS, large and special projects present a challenge. Even for us, large and special projects present a challenge. This is when the scope of work is larger than usual or an exceptional case places demands beyond the "normal" construction site. We are ready for it!

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Ground engineering, Pipeline and Sewer Construction Berlin

Special Projects

Realization of a railway crossing at Bernau within 52 hours.

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Ground engineering

We have the experience and ability to manage ambitious projects in civil engineering.

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Rehabilitation of HP-pipelines

We developed the starline® technology for the durable trenchless rehabilitation of pressurized pipelines.

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Development of innovative trenchless technologies.

Long-standing experience in the development and marketing of environmentally and infrastructure-friendly technologies for the trenchless rehabilitation and renewal of pressure pipes

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Contact us!

You are interested in our services or our products? Please contact us by phone or email.

We are looking forward to your contact.

Adress & Contact Persons


Fairs &

We look forward to welcoming you to our exhibition grounds.

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Health and safety on work

Occupational safety and workplace health management

Certifications and qualifications

A range of certificates demonstrates our technical knowledge and performance