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What Is a Hygrothermal Building Assessment?

by LiveModern Webmaster last modified Nov 26, 2015 01:00 AM
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by Paula Melton last modified Apr 29, 2015

Author name:  Peter Yost Blog Category:  BuildingGreen's Top Stories Green Topics:  Moisture Control for Health Moisture Management Water Management Energy Efficiency Hygro refers to water, and thermal refers to heat. In buildings, you really can’t manage heat without also managing moisture. For example, if you increase how much insulation is in a wall, you may also be increasing the risk of moisture and mold problems. There are four ways that buildings can get wet: bulk water leaks (rain dripping through a hole in your roof) wicking (groundwater being pulled up through a concrete foundation) air leaks (condensation inside a wall assembly) vapor diffusion (high interior relative humidity in the winter; high exterior relative humidity in the summer)  And there are just three ways they can dry when they get wet: drainage (intentional spaces between building components) air flow (convective drying, like your hair dryer) evaporation (low relative humidity and adding the sun for drying) Frankly, four against three can add up to less than the greatest odds for drying. read more






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