Household and Environmental Hazards

This list of terms covers most of the common household dangers likely to be encountered by InterNACHI inspectors.  algae: microorganisms that may grow to colonies in damp environments, including certain rooftops. They can discolor shingles; often described as fungus. alligatoring:  a condition of paint or aged asphalt brought about by the loss of volatile oils, and the oxidation caused […]