Conditions for mould growth on typical interior surfaces

Eva B. Møller, Birgitte Andersen, Carsten Rode, Ruut Peuhkuri

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Prediction of the risk for mould growth is an important parameter for the analysis and design of the hygrothermal performance of building constructions. However, in practice the mould growth does not always follow the predicted behavior described by the mould growth models. This is often explained by uncertainty in the real conditions of exposure. In this study, laboratory experiments were designed to determine mould growth at controlled transient climate compared to growth at constant climate. The experiment included three building materials with four different surface treatments. The samples were inoculated with 8 common indoor moulds. Even after 40 weeks no growth was observed on any sample. The paper describes different hypotheses for the missing growth, and how these have been tested.
Original languageEnglish
JournalEnergy Procedia
Pages (from-to)171-176
Publication statusPublished - 2017
Event11th Nordic Symposium on Building Physics - Trondheim, Norway
Duration: 11 Jun 201714 Jun 2017
Conference number: 11


Conference11th Nordic Symposium on Building Physics


  • Constant climate
  • Fungicides
  • Germination of spores
  • Mode of inoculation
  • Mould growthtransient climate
  • Nutrients
  • Water damage


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