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Damp Buildings: Associated Fungi and How to Find Them

Summary

This review identifies which fungi commonly grow in damp buildings and explains how to find them. It shows that certain fungi like Penicillium chrysogenum and Aspergillus versicolor grow on different building materials when moisture is present. The guide provides information on proper sampling techniques and identification methods that building inspectors and health professionals need to effectively address moldy building problems.

Background

Humidity problems and fungal growth in buildings are increasing due to energy-saving measures, construction practice changes, and climate variations. The WHO estimates that 10-50% of homes in Europe, North America, Australia, India and Japan face moisture-related problems. Indoor mold has been associated with adverse health effects including asthma exacerbation and respiratory health impacts.

Objective

This review aims to provide a framework for building inspections on current sampling methods and detection techniques for building-related fungi. The study catalogs fungal species identified on common building materials in Europe and North America and establishes standardized procedures for fungal detection and identification in damp buildings.

Results

The review identified 132 fungal species from 51 genera in humid or water-damaged buildings. Penicillium chrysogenum and Aspergillus versicolor were the most reported building-associated fungi across all materials. Chaetomium globosum is common on organic materials, while Aspergillus niger dominates on inorganic materials. Tables document fungal species associations with specific building materials.

Conclusion

Standardized procedures for fungal sampling, detection and identification are essential for effectively addressing building contamination. Species-level identification is critical as different species have distinct moisture requirements, growth characteristics and health implications. Updated fungal species inventories and revised ISO standards are needed to improve building remediation strategies.
  • Published in:Journal of Fungi (Basel),
  • Study Type:Review,
  • Source: PMID: 38392780, PMCID: PMC10890273, DOI: 10.3390/jof10020108
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