We design individual solutions. Create unique structures with us.

Jansen gives architecture new inspiration


Polyclose 2024

In mid-January we will be taking part in exhibiting at the Polyclose in…

3-minute protection against burglary with just one drill protection insert and the right glass

With this RC2 solution, Jansen combines burglar resistance with design…

Fairs and events


We develop and produce components for profile systems for windows, doors and facades in steel and stainless steel for all kinds of applications.


Every building tells its own history. These histories are written by creative hands and heads - with our steel systems.


We offer you a full service from planning to comprehensive after-sales services - with BIM, JANIsoft, technical advice and training.


In download centre, in addition to detailed information about our products and services, you can find useful documents about fabrication, assembly and installation.


In our media centre we provide media information and photographic material on the business, the products, events and references.