Start with the moisture source
Fungal growth is usually connected to moisture. A useful evaluation considers visible materials together with roof, plumbing, drainage, ventilation, humidity and HVAC clues. Testing does not replace the need to identify and correct the moisture source.
What sampling can add
Air or surface samples are sent to a qualified laboratory for analysis. The report identifies what was detected in the submitted samples; it does not diagnose a medical condition or guarantee conditions in every concealed area of the building.
- Target a visible or suspect surface
- Compare selected indoor and outdoor air samples when appropriate
- Document sampling locations and conditions
- Use laboratory results with the visual inspection findings
When buyers consider testing
Testing may be useful when there is a known leak, musty odor, visible suspect growth, prior remediation, significant staining, or a specific client concern. The right sampling plan depends on the property and the question you are trying to answer.
Choosing the next professional
If the inspection or laboratory report identifies a concern, a qualified indoor environmental or remediation professional can define the repair scope. Health questions should be discussed with a licensed healthcare professional.