A Category 2 water loss 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.

Information on the type of underlayment, flashing, shingles and ventilation being used, and the type of product and workmanship warranties offered. Proof of roofing or contractor's license (if required in your city or state).

Recycled grey water can be used for irrigation and in constructed wetlands. Black water is waste water from toilets, while greywater is waste water from sinks, dishwashers, bathtubs, and washing machines. Black water is contaminated with disease carrying bacteria, while grey water has lesser contaminants.