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Abstract
In the light of discussions concerning the overall hygrothermal behavior of sloped roofs, experimental results obtained in a calibrated hot and cold box are discussed. The behavior of three sloped roofs, constructed as is common in France but with different underroof systems in therms of water vapor permeability and capillarity, has been simultaneously monitored. In this paper, measurements are presented and results intrepreted. The test roof behavior shows that theuse of an underroof system with good capillary properties and high vapor permeability, adapted in a "sandwich" section, is a good way to prevent moisture problems and excessive heat loss in sloped roofs insulated at rafter level.
In the light of discussions concerning the overall hygrothermal behavior of sloped roofs, experimental results obtained in a calibrated hot and cold box are discussed. The behavior of three sloped roofs, constructed as is common in France but with different underroof systems in therms of water vapor permeability and capillarity, has been simultaneously monitored. In this paper, measurements are presented and results intrepreted. The test roof behavior shows that theuse of an underroof system with good capillary properties and high vapor permeability, adapted in a "sandwich" section, is a good way to prevent moisture problems and excessive heat loss in sloped roofs insulated at rafter level.
Date
12/1992
12/1992
Author(s)
A Janssens; H Hens; A Silberstein; J Boulant
A Janssens; H Hens; A Silberstein; J Boulant
Page(s)
368-578
368-578
Keyword(s)
hygrothermal behavior; sloped roof; calibrated hot box; cold box; underroof system; insulation; vapor permeability; moisture
hygrothermal behavior; sloped roof; calibrated hot box; cold box; underroof system; insulation; vapor permeability; moisture