After the period of collective heat cladding facade and rooftops of the panel building, the building activities related with energetic situation are moving to investors and owner of brick buildings, construct by the classical technology with wooden trabeated or by the concoction ceilings and wooden roofs of the classical systems. This is concerned about the historical listed buildings built since 1890 and buildings without historical care. Heat cladding stone paint cloaks of these homes and the placing in the roofs with leaved an original wooden construction bearing a constructional specifics which are resulting from dampness change state of the wooden constructions and with possibility of the attack by their biological factors.