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Make sure your service provider takes the following steps (or similar ones) in restoring your home after major water damage and resulting mold growth in a crawl space:
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- Put the area under negative air pressure, by setting up an air mover on the outside of the home to draw air out from the crawl space - preventing the mold-affected air in the crawl space from traveling into the living area any further.
- "Meter" the floors in the home, assessing moisture levels to determine where unseen mold inside the home might exist.
- Consider calling in a third party - e.g., a Certified Mold Inspector (CMI) - to provide an independent visual inspection of the crawl space, and to take air samples in the living area to determine how much mold has entered the home interior.
Develop a mitigation protocol adhering to the BSR-IICRC S520 Mold Remediation Standard and Reference Guide for Professional Mold Remediation. - Use a HEPA filter or air scrubber in the living area to reduce contamination.
- Before beginning the mold mitigation in the crawl space, build a containment around the interior crawl space access, and tape off the interior air vents.
- If mold damage is extensive, remove the crawlspace-mold by [baking] soda blasting [along with blasting using ground walnut shells], followed by thorough HEPA vacuuming and vapor barrier replacement.
- Call in a third party - such as a CMI - to again perform an inspection of the crawl space and take air samples in the living area, to ensure that everything has been completed properly.
Source: Clean Pro Restoration - Meridian ID
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