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The air flows and microbial contamination to indoor air from sandwich facade -- case study

Suonketo, J. and Pessi, A.
2000
Proceedings of Healthy Buildings 2000, August 6-10, Espoo, Finland, Vol. 3, pp. 147
microbial contamination, concrete, actinomycetes, structure, air tightness, wall


Suonketo, J. and Pessi, A., (2000), "The air flows and microbial contamination to indoor air from sandwich facade -- case study", Proceedings of Healthy Buildings 2000, August 6-10, Espoo, Finland, Vol. 3, pp. 147.
ABSTRACT

The subject building of this case study had high counts of actinobacteria in insulation layer of sandwich facade and in indoor air of specific flats. The aim was to resolve the air draft routes that might have conveyed microbes from external wall indoors, and find and prevent a cause to high microbial contamination in a specific flat. The study included pressure difference measurements, airflow measurements, microbial air samples, structural investigations and follow up measurements. The main contamination routes were located to the bushings in the exterior wall and after reparations the indoor air actinobacteria counts were clearly decreased.


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Author Information and Other Publications Notes
Suonketo, J.
  1. An approach to management of critical indoor air problems in school buildings
  2. Microbial growth in insulation of external walls: modeling the indoor air biocontamination sources
  3. Microbial growth inside insulated external walls as an indoor air biocontamination source  
Pessi, A.
  1. Microbial growth in insulation of external walls: modeling the indoor air biocontamination sources
  2. Microbial growth inside insulated external walls as an indoor air biocontamination source  



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