Water Vapor Diffusion Through Insulated, Masonry Building Walls

Y Demars; Y Buck

doi:10.1520/STP38689S

SYMPOSIA PAPER Published: 01 January 1982

STP38689S

Water Vapor Diffusion Through Insulated, Masonry Building Walls

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The transfer of water vapor through insulated masonry walls is considered in a series of tests in an experimental station.

To discover under what conditions condensation will take place, calculations based on Glaser's theory and conventional permeability values are made, then the theoretical predictions are compared with experimental results.

Conclusions are that predictions are pessimistic. It is shown that a vapor barrier system is not the definitive solution for preventing condensation on a masonry wall.

Author Information

Demars, Y

Isover Saint-Gobain, Centre de Recherches Industrielles de Rantigny, Rantigny, France

Buck, Y

Isover Saint-Gobain, Centre de Recherches Industrielles de Rantigny, Rantigny, France

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Details

Developed by Committee: E06

Pages: 110–120

DOI: 10.1520/STP38689S

ISBN-EB: 978-0-8031-5556-5

ISBN-13: 978-0-8031-0605-5

Water Vapor Diffusion Through Insulated, Masonry Building Walls

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