The 8,000 m² large, 42 m high extension of a well-known shipyard in Eastern Germany has been provided with a 58 m long labyrinth-type continuous weatherproof natural roof ventilator. The roda AIRSTAR is specially designed to permanently extract large volumes of hot air. In addition eight barrel vault rooflights create a total daylight area of 1,360 m². Twenty smoke ventilators type PHOENIX of which two are provided with RODEO-type flanges on top of each rooflight can be used also for daily ventilation. Responsible project manager is Florian Prock from roda Isernhagen.