Know How

We have experience from over 80 years of innovative activity in the field of cold forming.

Know how

Since the 1930s, our company has gained valuable experience in the area of cold forming and has driven numerous innovations. Internal and external tests, the design and manufacture of our tools in our own tool shop and the structural analysis for our complete systems certified according to DIN EN 13241-1 ensure the quality of our products again and again.

Learn more about our static calculation program, tooling, external and internal tests and about our online configurator for roller shutter doors:

Static calculation

Our certified static calculation program allows us to exactly determine maximum possible door dimensions at different wind velocities.

Static calculation


We design and build roller tools for our cold-rolled profiles ourselves.



Here you will find an overview of the different tests that our products undergo and the certificates of external test control.


Online configuration

In a few steps to the tailor-made roller shutter door with our online configuration program.


Benefit from our know-how:

Mounting instructions


Information about product properties