4 Classes of Water Damage

4/1/2019 (Permalink)

CLASS 1 – Slow Rate of Evaporation.  The water affects only a portion of a room.  Materials have a low permeance/porosity.  Minimum moisture is absorbed by the materials.

CLASS 2 – Fast Rate of Evaporation.  The water affects the entire room of carpet and padding.  The water may have wicked up the walls, but not more than 24 inches.

CLASS 3 – Fastest Rate of Evaporation.  The water generally comes from overhead, affected the entire area, walls, ceiling, insulation carpet, carpet pad, etc.

CLASS 4 – Specialty Drying Situations.  This involves materials with a very low permeance/porosity, such as hardwood floor, concrete, crawl, plaster, etc.  Drying generally requires very low specific humidity to accomplish the drying process.

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