2011 Volume 76 Issue 665 Pages 601-607
Recently, the glass curtain wall façade system is increasing in the office building. As a result, the dew condensation sometimes appears at the part of spandrel. In this paper, studies were made about the dew condensation on spandrel by experiment. The results of the experiment demonstrate the following points.
1. The experiment results show that indoor air through the interstices into spandrel causes dew condensation. At first, we have to close interstices to prevent dew condensation.
2. Dew condensation occurs with vapor from the silicate calcium board when solar radiation is received. Therefore, it is necessary to gain the route to let vapor escape.
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