Can Mold continue to grow once the moisture is gone?

Home Inspector with Ed Lampl Environmental Testing and Home Inspection in Pittsburgh Certified in all areas


Yes it can, there are all different types of mold requiring different moisture rates. One specific example are basidiospores which you may see on a wood 2x4. This type of mold is associated with dry rot which means it does not need high levels of moisture to survive once this mold is present to survive.




Molds can also use humidity as a moisture/water source and grow on solely humidity as the food source such as wood/drywall can absorb that moisture from the air. Once mold is present it will release spores whether it is alive or dormant which can have allergenic effects.




When visible mold is present the best way to get rid of it is to physically remove it from the building, eliminate the water source and control air flow and humidity. There is a big difference between killing mold and mold removal.




There are industry guidelines and recommendations but not all mold removal companies are the same. It is always best to get a third-party clearance test by an inspector who is not the mitigation company as there is a conflict of interest and mold can have serious health effects.




Many water proofing companies say you get rid of the water, you get rid of the mold. False- the mold will always be there until it is physically removed.




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Ed Lampl, Professional Home Inspector - 412-222-5968


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Comments (3)

Richie Alan Naggar
people first...then business Ran Right Realty - Riverside, CA
agent & author

What a good subject to explore...Things need to be aired out and if not, you can smell the life-form fighting to exist...whether it be mold, bacteria or mildew

Dec 05, 2014 11:37 PM
Li Read
Sea to Sky Premier Properties (Salt Spring) - Salt Spring Island, BC
Caring expertise...knowledge for you!

This can be a big problem in the Pacific Northwest Coast region...good post.

Dec 06, 2014 01:56 AM
John Pusa
Glendale, CA

Edward - Mold causes big problems if did not removed early form the property.

Dec 06, 2014 05:18 AM