CMI Certified Mold Inspector Exam

A properly functioning interior perimeter drain system (French drain) in a basement manages water intrusion by:

Preventing all water from entering the basement through the foundation wall Collecting water that enters the basement at the footing level and routing it to a sump pump for removal Applying hydrostatic pressure to seal foundation wall cracks Ventilating the basement floor slab to reduce vapor transmission

Correct Answer:

Collecting water that enters the basement at the footing level and routing it to a sump pump for removal

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