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Friedrichstrasse 40 Office Building-Petersen ArchitektenLocated just a block away from Checkpoint Charlie in Berlin is Friedrichstrasse 40, an office building with not one, but <em>two</em> completely different <a href="http://inhabitat.com/tag/high-performance-facade">high-performance facades</a>. The building was designed by <a href="http://petersenarchitekten.de/#/projekte/gewerbe/34" target="_blank">Petersen Architekten</a> to maximize natural daylighting while minimizing solar glare both in the morning and in the afternoon. The east facade features operable textile screens, while the west is composed of green vertical glass fins. In addition to the multi-faceted facades, the office building is pre-certified with the <a href="http://www.dgnb.de/_en/certification-system/index.php" target="_blank">DGNB German Sustainable Building Council</a>.1
Friedrichstrasse 40 Office Building-Petersen ArchitektenThe site of Friedrichstrasse formerly held a two-story house that was home to the Skadamowski brothers -- whom are said to have invented the 3D eyeglasses.2
Friedrichstrasse 40 Office Building-Petersen ArchitektenThe area is rich in culture, history and art and the new office building helps contribute the future of the area with its forward thinking facade.3
Friedrichstrasse 40 Office Building-Petersen ArchitektenAs with many buildings in Berlin, Friedrichstrasse has both a facade on the street-facing side as well as on the inner courtyard, so it was important that the architects consider both sides when designing for energy efficiency.4
Friedrichstrasse 40 Office Building-Petersen ArchitektenThe garden side is outfitted with operable shade screens that extend down over each window to protect the interior from the morning glare.5
Friedrichstrasse 40 Office Building-Petersen ArchitektenRoll-out textile shades can be extended when needed or retracted for more light once the sun has moved past its zenith.6
Friedrichstrasse 40 Office Building-Petersen ArchitektenOn the street side, the building features three two-story high bay windows, with specially designed double-glazed facade.7
Friedrichstrasse 40 Office Building-Petersen ArchitektenA series of vertical fins are integrated to the outside of the windows that can be angled to protect against the heat.8
Friedrichstrasse 40 Office Building-Petersen ArchitektenInside glass, wood and textile combine to implying the intertwining of the garden and the city.9
Friedrichstrasse 40 Office Building-Petersen ArchitektenFriedrichstrasse 40 was completed early in 2011 and is already pre-certified with the German Sustainable Building Council with a GOLD award.10
