What would cause black mold in the basement?

Answer by  johnresa (2455)

If you have blocked gutters it can cause water to seep through the walls of your house and the dampness can cause black mold to form.

Answer by  Moldgal (5)

A leak in a basement during the rainy season can cause black mold to produce over time especially when the weather becomes humid shortly after and walls and pipes sweat.

Answer by  Gribbley (174)

Black Mold would be caused, above all, by prolonged exposure to a fair amount of moisture. This is pretty common in basements so it is hard to counteract. A dehumidifier may slow down the process.

Answer by  Skullwing (746)

Black mold occurs when a mold organism is introduced in to a damp area and it begins to feed on the water. To remove it, you need to eliminate the source of water or moisture (the mold's food) and then scrub the surfaces with a water diluted bleach solution.

Answer by  Bob8478 (1040)

What would cause black mold in a basement is the collection of moisture This is usually due to improper basement ventilation.