A Moisture Admittance Model, which takes into account absorption and desorption, has been developed to simulate moisture behaviour in dwellings. The model has been integrated with the BREEZE computer model used to simulate air and contaminant flow. Simulations from the combined model have been compared with predictions using the Louden model and with measurements of vapour pressure taken in a test house. The Louden model tended to over-predict experimental values but there was reasonable agreement between the MAM-BREEZE model results and measured values.
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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