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Wednesday, November 24, 2010

Heat and drying wet houses

Heat has many important roles in drying wet structures.  From the small house that is poorly insulated, to the large commercial building down town.  Let me explain the simple fact that heat is essential to what we do in drying wet structures.

There are 3 essential keys to drying.  Temperature (heat), airflow, and humidity.  As long as we can control these keys, we will achieve our goal of drying with as little demolition as possible.  I will explain the science involved with how heat improves the efficiency of what we do.  Much like the way a hair dryer blows the air, a direct approach if you will, heat used properly will benefit the project and drying will be achieved. 

Air temperature is a very important factor we calculate and keep records of.  We monitor the air temperature to know our equipment is operating properly, and to know that the air is at its most efficient capacity.  You see, warm air has the ability to hold more moisture than cooler air.  But, if the air becomes too hot we can loose the ability to remove the moisture from the air and it can escape into other unaffected areas of your home.  This condition is known as secondary damage.  Just as described in the above mention of the keys to drying, heat has a critical role in the balance of drying.  Simply put, warm air has a greater capacity to hold moisture. 

Along with the air, heat affects the water vapor in wet building materials.  Heat generates speed in molecules.  If we look at the elements, and the scientific make up of water we will learn how water is made.  Cold temperatures have an affect on slowing down h2o, and will form ice.  Heating water up will speed up the molecules, thus creating evaporation.  We literally transfer heat to the wet structure, and in turn the moisture comes out into the atmosphere where we mechanically collect it and put it down the drain.  With directed heat and airflow, we employ the "worlds fastest drying system" 

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