Architect Ferdinand Salokangas
Plastered facade, Brick-frame
Sortavala's tallest building, the six-storey Asunto Oy Riutta, designed by the Helsinki architect Ferdinand Salokangas (1903–1981), was completed in 1938. As an individual building, the well-designed Riutta was "starting an unmanageable development, where the permitted building volume embedded in the empire town plan began to be transformed into floor square metres," in the words of architect Martti I. Jaatinen. The budding apartment building boom came to a halt at the start of Winter War. One of the designs left unimplemented was architect Erkki Huttunen's plan, dated in spring 1939, for a four- and, in parts, five-storey apartment building in Kymölä.
An active promoter of the building project was architect Salokangas' brother, gun technician Ruben Salokangas. In addition to him, the modern amenities of the Funkis-style apartment building were enjoyed by Dean Aarnisalo of the Domestic Mission Society, Chief Physician Lehtinen of the General Hospital, Doctor Marttinen of the Deaconess Institute, Assistant Police Chief Peltola, Master Builder Pitkänen and the Reverend Erkamo of the town parish. From Sortavala's 1939 telephone catalogue, it is evident that the numbering of Karjalankatu was renewed at that point: the highly esteemed housing company As Oy Riutta appeared only under its given name and was omitted in the numbering.