Helixtreppe von Hark

Foto: Hersteller

With an impressive three-storey stair construction, Hark Treppenbau won the German Metal Construction Award 2017 in the "Stairs and railings" category.

The Helix staircase was planned for the administration building of a medical-technology manufacturer. One particular challenge were the ­constantly changing radii while the running width of the steps remained the same. The structure ­of the free-standing frame elements, too, is very complex. The design was made by the Italian architecture and design studio Il Prisma. hark-treppen.de
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