Facts about steel frames![[Translate to Englisch:] Navigation Bild](https://www.bestofsteel.de/fileadmin/_processed_/5/3/csm_nav_sonderzargen_drehfluegeltuer_eb77fff8c5.jpg "[Translate to Englisch:] Navigation Bild")
Steel frames for active leaf doors
Steel frames for sliding doors
Window frames
Further solutions
TTZ Guidelines for the installation of steel frames
The guidelines from the German Industrial Association for doors and frames are intended to provide planning security for the quality of installation of steel frames.
The information in these guidelines is based on the experience and skill of member companies of the Industrial Association and impart assistance for architects, planners and installers of steel frames.