How Bathroom Ventilation Problems Lead to Ceiling Mold

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The primary culprit for ceiling mold is poor ventilation in the bathroom, as the steam from hot showers has no way to escape. This trapped moisture condenses on the cool ceiling surface, creating a perfect breeding ground for mold spores. Over time, this persistent dampness leads to dark, ugly patches that can spread and become a serious health hazard, often requiring extensive cleaning or replacement of the drywall.