Article | REF: C7302 V1

Pathogenic effects of water in construction

Author: Jean DELEFOSSE

Publication date: October 10, 2021

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3. Water from internal sources

3.1 Condensation

Condensation is the transformation into a liquid state of part of the water vapor contained in the ambient air, and its appearance on the surface or inside a structure.

Examples: mist on windows. Aureoles on walls giving rise to mold.

Air contains a percentage of water vapor.

This is its relative humidity (RH), also known as the air's hygrometric degree or humidity level.

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Water from internal sources