Biological breakdown of wood in buildings

A review is given of the role of fungi in nature and in buildings. The major groups of microorganisms are presented, and the living conditions of wood-decaying fungi regarding temperature and moisture are described. Both constructional and chemical methods of wood protection are options when wanting to avoid fungal decay. In Denmark, houses can be insured against fungal decay. Moulds affect both indoor climate and people and can cause a range of different health problems, such as allergies and infections. They produce large numbers of spores as well as volatile organic compounds. Mould growth can be controlled by steam treatment and the use of different disinfectants.