Gertrudshof, a historic "Klinker Expressionist" industrial building in Berlin, has been refurbished and extended with a brutalist concrete vault structure by Berlin practice Julian Breinersdorfer Architekten in collaboration with Rimpau Bauer Derveaux. It will soon become the headquarters for Nike Central Europe. The building, formerly a carpentry workshop, was partially destroyed by multiple bomb strikes during WWII. Comprised of three sections, only one of which remained intact, the second was partially destroyed while the third had been completely reduced to rubble. The facade of the intact building section has only been repaired where necessary and bears the scars of both WWII and the traces of GDR occupation. The brick vaults have been sandblasted and repaired. The refurbishment of the partially destroyed section replaces the lost volume with a vertical extension. It follows the historic structural grid, heavy concrete vaults that span column to column are referencing and juxtaposing the delicate brick vaults of the original structure below. Black facade profiles enclosing the new volume strictly follow the geometry of the original expressionist glazed brick facade of the workshop.
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