Thermal insulation of a panel house with more than 400 housing units, which was given to the former Department of Construction of the City of Prague. City of Prague name U9. The house is located in Stodůlky, adjacent to the metro station Nové Butovice and was completed shortly after 1989. The subject of the contract was the construction work associated with energy savings and reducing the energy performance of the building. The solution consisted of contact insulation of the external cladding system Baumit, replacement of windows and rehabilitation of loggias. The panel house was given a coat of contemporary style made of colored plaster, which shines in a wide area.