There has been a recent growth of interest in the use of passive cooling in buildings, particularly in the use of chilled ceilings, including both beams and radiant panels. However, there is still concern about the risk of condensation on cold surf aces and water dripping onto occupants or furnishings, especially where there is no control over the level of humidity for instance in naturally ventilated buildings.
This Bulletin on preventing dampness in houses covers some aspects that builders and subtrades may occasionally
be required to deal with . It is, however, also intended for general guidance to householders.
This paper gives guidance on assessing the risk of surface condensation and mould growth at thermal bridges around openings in the external elements of buildings, and describes a method of assessing their effect on overall heat loss. It supports the 1995 revision of the Building Regulations for conservation of fuel and power.
Data on moisture sources, winter condensation potential, C02 levels, levels of biological contamination and blood lymphocytes from fifty nine houses subjected to detailed testing and inspection in a previous phase of the Wallaceburg study were subject to more detailed statistical evaluation to determine the relationships between moisture sources, fungal growth and objective measures of health.
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