Annex 14 -Condensation and Energy- started in April 1987, with a take of meeting in Utrecht, The Netherlands. The annex itself was born after a moisture-workshop in September 1985 at the Laboratory of Building Physics, KULeuven, Belgium.
The research was intended to discover which species of mould occurred, whether there were different species on the same spot or whether one species was dominant, whether the species were different from one dwelling to another or whether the same species occurred in all the houses, and whether there were differences according to the furnishing materials used or the presence of fat, for example on kitchen walls.
Surface condensation and mould affect about 15 percent of the UK housing stock. This paper reports BRE studies in occupied dwellings on the effectiveness in various situations of a range of remedial measures, which included improvements to thermal insulation and heating, and the provision of extractor fans and dehumidifiers. The flats and 2-storey houses involved were all of traditional construction with brick walls and pitched roofs.
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