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The influence of ageing and air change on the emission rate of gases and vapours from some building materials.

Nielsen P A, 1985
air change rate | ageing | building material | pollution | organic compound
Bibliographic info: Proceedings of the CLIMA 2000 World Congress on Heating, Ventilating and Air-Conditioning, Copenhagen, 25-30 August 1985. Edited by P O Fanger. Vol 4. Indoor Climate. p207-213. 4 figs, 3 tabs, 3 refs.
Languages: English

The influence of air change and ageing on emissions from 5 different building materials were studied. It was concluded that increasing the air change rate in a rather leaky house was of practically no importance in preventing problems caused by emissions. It was also assumed that a reduction of the air change rate in a tight house may result in a considerable increase in the concentration of substances in the room air. For all 5 materials, the emission rate decreases with time. The experiments indicate that, especially during the first 3 months after the building is finished, very large concentration of emission products from the newly manufactured builidng materials will be present in the room air.


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