Why is the lower part of my basement allways grey like green when it's raining outside ?
Why is the lower part of my basement allways grey like green when it's raining outside ?
North MacedoniaHelp this real question or experience reach people who may have relevant knowledge.
Automated first check: based on the details in this post, start by documenting the mechanism before choosing a repair.
Add photos, note what changes after rain or ventilation, and compare the related technical guides below. Community members can then add first-hand experience.
Automated guidance, not a site-specific engineering, health or legal assessment.