- architects Bertel Saarnio and Juha Leiviskä
- owner: Kouvola City
- built in 1968
- original facade material was Carrara Bianco marble
- original facade in very bad condition due to deterioration of marble
- original marble cladding was replaced with "Silver White" granite
- facade renovation was carried out during 2001 - 2004
- owner: Kouvolan kaupunki
- stone technology consulting/main designer: Stonecon Oy/Pekka Mesimäki
- architect Juha Leiviskä
- structural engineering: Stonecon Oy/Insinööritoimisto Konstru Oy
- stone contractor: Suomen Graniittikeskus Oy
- original architect Juha Leiviskä was consulting in the project
- detailed research of light granites worldwide was made in selection of the replacing material
- stone fixings were completely redesigned, original fixings could not be used
- thermal insultaion of the facade was completely changed
- special attention was given to quality control of stone panels
- building was normally in use during the renovation
- total area of restored stone cladding was 5000 m2
