As an innovative technology company and first supplier of steel profiles we exploit the many advantages of the galvannealed hot-dip coatings. The innovative surface finish leads to less pore formation, less smoke and fewer sparks when welding. According to it we use new for the basic corrosion protection of all steel profiles for window and door systems ZF 100 coatings.
Jansen
https://www.jansen.com/en/index.html