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Fire & Water - Cleanup & Restoration

Category and Classes of Water Damage

12/27/2017 (Permalink)

Water Damage Category and Classes of Water Damage Category 1 Class 4 Loss in Granada Hills home. SERVPRO of Granada Hills was called to make it right.

At SERVPRO of Granada Hills, one of the first things we do when we arrive at your home or commercial site, is determine the Category and Class of water we’ll be dealing with. From clean water  to dirty water.  Here are the different categories of water damage:

Category 1 Water - Refers to a source of water that does not pose substantial threat to humans and classified as "clean water". Examples are broken water supply lines, tub or sink overflows or appliance malfunctions that involves water supply lines.

Category 2 Water refers to a source of water that contains a significant degree of chemical, biological, or physical contaminants and causes discomfort or sickness when exposed or consumed. Known as "Gray Water," this type of water damage carries microorganisms and nutrients of microorganisms.

Category 3 Water. This is the worst classification and is grossly unsanitary. It used to be called black water, and sources include sewer backup, flooding from rivers or streams and toilet overflow with waste.

The different Classes of water is used to determine the drying method SERVPRO of Granada Hills will use at the location.  It gives us a direct path towards the best option to dry an area out.  Here are the different Classes of water damage:

Class 1. The lowest and easiest to deal with, this has a slow evaporation rate. Only part of a 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. With a fast evaporation rate, this level affects an 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, and 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, which means there has been enough liquid and time to saturate materials with very low permeance, such as hardwood, brick, or stone.

Have you spotted signs of water damage in your home or office?

Have questions about water damage? Call SERVPRO of Granada Hills (818)363-6060

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