The pilot building in Oulu, Finland, is one of five student apartment buildings and one building with communal facilities in a housing coorporation. The building was completed in 1985 according to a Finnish industrialized building system developed in the 1970's using prefabricated concrete units for residential buildings, called the "BES system". The building is in need of a complete refurbishment and the student flats are unmodern and lacking in facilities.
The building renovation includes a comprehensive refurbishment of indoor spaces and a façade renovation with the TES method (http://www.tesenergyfacade.com/) utilizing timber based, prefabricated elements for the renewal of the building envelope. The refurbishment is aiming for the energy efficiency level of a passive house according to Finnish standards. The building owner will evaluate the results of the demonstration project, with a view towards the modernisation of the other 4 apartment buildings with the same technique.
The Oulu demonstration before retrofitting and after.
Year of construction: 1985
Property type: Two-storey building
No. of dwellings: 8
Project owner: PSOAS (Pohjois-Suomen oppilasasuntolat Oy), public student housing company
Energy (heat) demand befor retrofit: 148 kWh/m²y
Estimated energy demand after retrofit: 30 kWh/m²y
Construction works: August 2012 - February 2013
Participating E2ReBuild partners: Aalto University, PSOAS, NCCFI
Demonstration leader: Simon le Roux, Aalto University, firstname.lastname@example.org
Construction under way
The retrofit is expected to take 6 months and be finished in February 2013. The building has 8 apartments, and was originally built in 1984. The retrofit is bringing this building up to and above current new build standards. M3 Architects have designed a comprehensive refurbishment targeted for student family tenants, and a fresh new image for the housing which will be applied to 5 identical buildings around a shared yard.
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Construction finished in Oulu!
The construction work on the E2ReBuild demonstration building in Oulu, Finland is now finished and tenants can move in to the completely renovated house.
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On 10 March 2014 Aalto University School of Arts, Design and Architecture, Department of Architecture arranged a national seminar titled E2ReBuild Oulu demo. The seminar addressed an audience of 51 Architectural professionals, and research in timber construction and sustainable housing design including visitors from Hokkaido University, Japan.