Building Concrete Forms
Mold Resistance
Temperature And Humidity Interaction
The condition for mold formation is warm humid air in proximity to organic materials such as wood. Temperature distribution through our wall was calculated to find any potential mold area. The results are shown below. The computations were made based on Fourier's law for heat transmission through solids.
Humidity transmission was estimated based on the relative porosity of the materials and published data. The assumed condition were:
Exterior (ambient) temperature 95º F @ 90% humidity.
Interior (room) temperature 75º F @ 25% humidity.
Dow Chemical - Dewpoint Analysis Chart (click HERE for complete PDF).
These graphs clearly indicates that the area
that show the combination of temperature and humidity most appropriate
for mold growth is the interface of the concrete with the polystyrene.
However, since the concrete was poured this area does not have any air.
The cavity behind the sheetrock, where air and wood (furring) are present
exhibits low temperature and low relative humidity.
The conclusion of this study is that mold can NOT develop in walls built with our forms.
Please Contact Us for more detail information.
