New courthouse and police station in Joensuu—a perforated sheet facade based on a graphic art work

A graphic art workserved as the basis for this demanding facade project, which STW Steel wasinvolved in from the start. The factory looked into alternative ways toimplement the theme and prepared a perforation plan in digital format. Beforethe final approval, the factory provided edged sample sheets with theperforated pattern for model installation. After the approval, the perforatedsheets could be manufactured. The impressive facade was implemented using 3 mmaluminum. The perforated sheets were edged, and the surface was anodized to anatural color.

Product details: STW perforated sheet: perforated pattern based on a graphicimage, round perforations; R4, R8 and R12, pitch 3.5 mm, thickness 3.0 mm,cassettes edged into shape, aluminum EN5005, anodized to natural color CL20.

Images: Karjalainen newspaper

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