NL +31 (0)85 04 97 890 / BE +32 (0)78 48 67 58 /

About us

With 50+ years of expertise and experience in sewerage technology we can tell you everything about the application possibilities of our pipe plugs. We offer balloon pipe plugs, flexible pipe plugs and disc plugs. 

For every question an expert solution.

By cooperating with high-quality partners, we have access to quality products with a long lifespan. In addition, we maintain our products excellently and they are always subjected to an extensive test protocol. As a result, you always have access to the best material.

We do everything we can to make you aware of how to work safely with our materials. From asking questions at the first contact to safety cards for in the shed. You can always ask us to give a training or lecture. In this way, we share our knowledge and experience so that you can work more safely.

We understand that your project has to keep going. We employ drivers who use our own vehicles to deliver the materials to where you want them. We can respond quickly and flexibly and never leave you out in the cold.

Need expert advice?

As niche experts, we continue to distinguish ourselves with specialist advice and continuous innovation. In both standard products and specials. We are your reliable partner with knowledge of and solutions for daily practice.

That is what makes Janssen Riotech a first-class product specialist in sewerage technology.

Curious about the people behind Janssen Riotech?


From local contractor to cross-border rental specialist in pipe plugs and other equipment. Janssen Riotech is growing fast. In knowledge and experience, but also in employees and locations.

Our Beliefs


As an international player in the field of sewer specialization, we want to make a valuable contribution to the socio-economic system. We focus on the rental of qualitatively tested products so that the safety of professionals in the infrastructure sector is guaranteed and we contribute increasingly to making the sector more sustainable.


To do everything in our power to enable professionals in the infrastructure sector to carry out sewerage work safely, efficiently, and sustainably.

Core values

Down-to-earth and resolute

Our culture has been shaped by loyal and local people who, with a dose of experience and expertise, think along with our customer on a daily basis.

Does it have to be delivered quickly or made to measure? We grasp challenges with both hands. Our flexible and practical attitude comes in handy.

Connecting and sustainable

We value long-term relationships with our customers, suppliers and employees. We seize opportunities and do not shy away from problems.

We do everything we can to save raw materials. That is why we choose high-quality products with a long lifespan.


Safety comes first in everything we do.