Four Factors That Affect Whether Drying Is Successful In The Water Damage Restoration Process

By Jeffrey Jones

Removing water is only the first step in restoring property affected with water damage. Everything that was in or under the water must be carefully dried to keep it from going into the trash pile. Four factors affect whether drying is successful: Temperature, Humidity, Evaporation, and Air Movement.


Drying happens faster in a room heated to a range of 70 to 90 degrees Fahrenheit. If the home HVAC is not usable, a water restoration company brings in portable heaters to raise the temperature. The first day should be no warmer than 80 degrees. Higher than that might cause more damage to surfaces because it brings too much moisture into the air.


Relative humidity is the amount of water vapor in the air versus its greatest capacity. A level over 60 percent slows the drying time because the air is full or saturated. Depending on the number of dehumidifiers available, it takes 24 hours to lower an RH over 60 percent to a level under 40 percent.


Dehumidifiers draw water from the surrounding air to reduce the humidity and dry out a room and its contents. The more and larger dehumidifiers available means that the temperature can be raised to a higher level as long as the humidity does not overwhelm their capacity. Standing water must be at least less than two inches deep before evaporation is effective.

Air Movement

Restoration technicians, place air moving equipment inside a damp and humid room. These machines are designed to blow damp air out of the room and bring in warm, dry air from outside. Air movers are also used to force warm air across the surfaces of walls, furniture, and other property to promote even thorough drying.

Restoring property after it suffers water damage is a long process. Simply setting furniture on the patio and opening all the windows does not do the trick. To make sure you save your home and as much property as possible, contact a professional water damage restoration company today.


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