The response of building materials to the mould exposure at different response conditions
Ritschkoff, A., Viitanen, H., and Koskela, K.
2000
Proceedings of Healthy Buildings 2000, Vol. 3 317
exposure assessment, humidity, material, microbial growth, moisture, mould
Ritschkoff, A., Viitanen, H., and Koskela, K., (2000), "The response of building materials to the mould exposure at different response conditions", Proceedings of Healthy Buildings 2000, Vol. 3 317.
| Abstract: |
| Several wood-based materials, stone-based materials and insulation materials were exposed to mould contamination at 80%, 90% or 97% RH and at 5 o C, 15 o C, 23 o C or 30 o C (at constant humidity and temperature conditions) for 28 weeks. All building materials tested were susceptible to mould growth in humidities higher than 90% RH at temperature above +15 o C. However, building materials of different origin showed variable tolerance against fungal growth under the test conditions. In the stone-based materials the critical humidity level and exposure time needed for the initial fungal growth was higher than in the wood-based materials. In the material combinations the initial mould growth was principally retarded in the contact surfaces. |
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