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Assessing fungal risk criteria via simulated scenarios to address disparity between method and outcomes

Hannah, N; Marincioni, V; Chalabi, Z; Altamirano, H; (2021) Assessing fungal risk criteria via simulated scenarios to address disparity between method and outcomes. In: Proceedings of the 1st International Conference on Moisture in Buildings 2021. ScienceOpen: Online. Green open access

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Abstract

Internal wall insulation is one of the most promising methods of improving the energy efficiency of buildings while maintaining their original facades and construction. However, porous materials or poor construction quality can allow moisture ingress, creating favourable conditions for mould development within building fabric. Currently, there is no established guidance on moisture criteria in the construction industry for the assessment of interstitial mould growth. Some studies have considered relative humidity (RH) criteria that account for the duration of exposure but potentially overestimate risk at interfaces. This study implemented more specific RH criteria, based not only on the duration of exposure but also on temperature and substrate material. Results demonstrated a dramatic decrease in predicted mould risk, with minimal risk to health or structural integrity, in comparison to the present more stringent standards.

Type: Proceedings paper
Title: Assessing fungal risk criteria via simulated scenarios to address disparity between method and outcomes
Event: 1st International Conference on Moisture in Buildings 2021 (ICMB21)
Open access status: An open access version is available from UCL Discovery
DOI: 10.14293/icmb210027
Publisher version: https://doi.org/10.14293/ICMB210027
Language: English
Additional information: Published under Creative Commons Attribution 4.0 International ( CC BY 4.0). Users are allowed to share (copy and redistribute the material in any medium or format) and adapt (remix, transform, and build upon the material for any purpose, even commercially), as long as the authors and the publisher are explicitly identified and properly acknowledged as the original source.
Keywords: internal wall insulation, interstitial condensation, mould/fungal risk assessment, material/insulation-system failure
UCL classification: UCL
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of the Built Environment
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of the Built Environment > Bartlett School Env, Energy and Resources
URI: https://discovery.ucl.ac.uk/id/eprint/10134750
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