The city of Göttingen is currently carrying out a comprehensive renovation of its civic hall. The building envelope can be efficiently and securely fastened and preserved for the future thanks to the fischer all-in-one system for rear-ventilated façades.
The substructure solution suitable for the project is being supplied from a single source by fischer together with the right undercut anchors and frame fixings. Göttingen’s civic hall provides plenty of room for culture with an events space of 2,600m² over three floors and a total surface of approximately 5,400m².
The fischer ‘all in one’ solution for the rear-ventilated façade was attached to the refurbished reinforced concrete. “Permanently and securely fastening the facade is particularly important to preserve it for the future,” reports Steven-Henrik Maier, former head of market management fischer façade systems and the current Head of fischer facade systems USA. “To do so, we have already successfully accompanied the planners and façade construction specialists through the construction phases so far and will continue supporting them until the project’s successful completion.”
The technical support has ranged from consultation and design to architectural planning and support with obtaining approval for particular cases and supplying a suitable ‘all in one’ system consisting of a substructure, frame fixings, injection anchors and undercut anchors from a single source. The on-site support has also included countless construction site tests with the fischer frame fixings and chemical fixing systems as well as construction assistance.
As both the old and new tiles are not made of a construction material approved for rear-ventilated façades, an approval for particular cases (“ZiE”) was required. The fastening was carried out with Zykon panel anchors FZP II in the 11x21 M6/SO/9 Carbon version. Although the tiles measure small dimensions, each panel was installed with four fastenings to prevent the façade from rattling in the wind. The façade structure was surveyed by the expert and surveyor Prof Dr Alfred Stein.
Once the ZiE was obtained the façade elements were attached with the fischer/BWM aluminium substructure. “The system enables a secure yet concealed fastening,” explains Jochen Burbach, head of fischer façade systems Germany. “This will preserve the building's original look for generations into the future.”
The particular distancing substructure was carried out vertically with the ATK 100 ZeLa. The use of a thermally optimised ZeLa bracket with a stainless steel bar enables adherence to the thermal protection requirements with little setup. The horizontal profiles consisting of the ATK 103 P20 system for concealed clasp fastenings together with P20 horizontal profiles were installed onto this base structure. fischer frame fixings and injection anchors were used to anchor the substructure’s wall brackets in the supporting structure. The visual elements with the restored and new tiles were securely fastened to the substructure with concealed fischer undercut anchors, resulting in a distinctive and pioneering ecological facade with a sixties charm and a new hold.
Having spent a decade in the fastener industry experiencing every facet – from steel mills, fastener manufacturers, wholesalers, distributors, as well as machinery builders and plating + coating companies, Claire has developed an in-depth knowledge of all things fasteners.
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