On the Area of the university of applied sciences is becoming the first "Regionalhouse Bay of lübeck" built only with grow again raw materials grown in the region Wood, clay and reet in order to get an admission for the german building structure norm.

The roof is covert with reet which is screwed above a 21 cm thick plate of massiv wood. An additional heat insulation is not necessary. This construction is the innovative part of the project cause it is not regulary and in this way not admissed by norm. Massiv wood is only used for wall- and cellingconstruction, not for roofs. Norms for fireprotection and heat insulation are including an heavy losing of space of the attic floor. Examinations and long-running measurements will be started in order to get better results for fireprotection below reet-covering and to improve the roomclima.

At last it is very important to pronounce that the raw materials are harvested in the region of lübeck. The regionalhouse will be in future a modell for summer residence of soft tourism - a house out of the region for the region...