The class of water refers the amount of water and the anticipated rate of evaporation based on the amount and type of wet materials in the affected space. Determining the class of water loss is a crucial step in beginning the water mitigation process. Correctly identifying the class of water enables restoration professionals to formulate a plan based on your property’s specific needs.
CLASS 1
The lowest/easiest to deal with, this has a slow evaporation rate. Only part of the room or area was affected, there is little or no wet carpet, and the moisture has only affected materials with a low permeance rate such as plywood or concrete.
CLASS 2
Fast evaporation rate, affects the entire room, carpeting or cushioning, the wetness has wicked up the walls at least 12” and there is moisture remaining in structural materials.
CLASS 3
This class has the fastest evaporation rate, ceilings, walls, insulation, carpet and sub-floors are all saturated. The liquid may have come from overhead.
CLASS 4
This class is labeled as specialty drying situations, meaning there has been enough liquid and time to saturate materials with very low permeance, such as hardwood, brick or stone.
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