Mold remediation #173386 - Ask Extension


Mold remediation #173386

Asked April 06, 2014, 1:24 AM EDT

We have a black mold problem. We have solved the sources of mold growth, and now need to clean areas that have come into contact with surfaces. We are replacing poor venting and leaky roof. Now we have a few corners inside that mold is growing on the Sheetrock/ painted surface. What can we clean, seal and paint with, to insure it will not grow back?

Clackamas County Oregon

Expert Response

It sounds like you have taken the first and most important step in mold control- which is fixing the moisture problem. If there is no available moisture, mold growth should not return.

EPA recommends scrubbing surfaces with detergent and water and then drying completely. you could follow up with a rinse with a mild bleach solution, although EPA feels that if you scrub the mold away, you should not need this additional step. 
The key is then to keep the area dry so no mold returns. Since this is in a corner, make sure that there is airflow in the corner by not placing boxes or furniture right in the corner.  You may want to wait a short time to make sure there is no further mold growth before painting with a stain blocking paint and then your selected wall paint. 

Hope this helps!


Jeanne Brandt Replied April 07, 2014, 4:33 PM EDT

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