Conclusions from a state of the art report on acoustics in wooden houses 2008

摘要

Until 1995 it was not allowed to build multi-storey houses made of wood in Sweden due to fire restrictions. However since the building regulations were changed in 1995 several building projects have been initiated. In many cases the achieved acoustic quality has been insufficient leading to expensive solutions and a lack of confidence in the industry. The research in building acoustics has been limited in Sweden during recent years, why the issues associated with choosing lightweight buildings, such as wooden structures, has not been resolved and there is today a higher risk associated with choosing lightweight building materials as compared to traditional heavy weight structures since the acoustic quality can not be predicted adequately. In 2007 a Swedish national consortium was initiated in order to utilize available resources more efficiently and to maintain and develop the competence in the field of Acoustics in wooden buildings. The consortium consists of most national R&D performers, leading industry companies within the building, building materials and wood sectors and leading consultants. The first outcome from the consortium was a state of the art report, which was published in 2008. The report includes a literature survey, analysis and identification of industrial needs for producing wooden buildings with good acoustic comfort and further research needs to reach that goal. The aim of this paper is to present the main findings and conclusions that were identified in the state of the art report.