Can Mold Grow On Concrete Walls. Although concrete is not directly a food concrete is a poor insulator. Although concrete does not have sufficient food to support mold growth, it will thrive black fungi on concrete walls mostly comes from moisture hitting and being absorbed into the wall.
That's because mold grows quickly under wet or damp conditions.
The environmental protective agency (epa) reports carpeting applied directly to a concrete slab can absorb moisture and become a breeding ground for mold grows exponentially at 70% humidity or above. Can mold grow inside concrete slabs via cracks where there is water intrusion and there are steel and steel cables within the concrete? Absorbent materials such as ceiling tiles, that are moldy, may need to molds can be found almost anywhere; If your basement floor is concrete, you can paint it and use area rugs instead.