What technique is often used to contain mold spores during removal?

The technique involving negative air pressure containment is crucial in effectively managing mold removal. This method involves creating a pressure differential by using exhaust fans to draw air out of the contaminated area, ensuring that air flows inward and preventing mold spores from escaping into unaffected areas of a building. As air is pulled into the containment area, it minimizes the spread of mold spores during the removal process, helping to protect the health of individuals in the surrounding environment and preventing further contamination.

In contrast, while techniques like complete sealing of rooms, the use of air purifiers, and positive air pressure can play roles in mold management, they do not focus on the containment aspect as effectively as negative air pressure containment does. Complete sealing can serve as a form of control but does not address the removal of airborne mold spores during the process. Air purifiers help clean the air but do not prevent the initial spore spread during removal. Positive air pressure may inadvertently push air—and thus mold spores—outward into adjacent areas, which is counterproductive to containment efforts. Negative air pressure specifically aligns with the goal of keeping contaminants within a designated area, making it the preferred method.