Water passes through a failed penetration, joint or membrane detail.
Water management depends on the concealed waterproofing, penetrations and drain connection rather than the tile face alone.
Water, drain, power, exhaust and fuel connections serving household appliances.
A ceiling mark below or near a bathroom that changes after showering.
Joints become visibly darker during or after water use.
A tile moves, sounds hollow or has failed grout nearby.
The canonical address, page title and social preview stay attached.