Bathroom Ceiling Leak in a Korean Apartment: Trace the Upstairs Sink Drain
A bathroom ceiling leak in a Korean apartment does not always come from failed waterproofing. In this Uijeongbu case, water appeared through the main-bedroom bathroom ceiling only when the upstairs resident used the washbasin. That timing was the key clue: the real problem was a cracked, improvised sink drain hose above. The ceiling below showed … Read more