Symptoms
Start with the visible, audible, physical or measurable sign—not the name of the fault.
Ceiling stain after shower use
A ceiling mark below or near a bathroom that changes after showering.
Tile is loose near the shower
A tile moves, sounds hollow or has failed grout nearby.
Toilet rocks at the floor
The fixture moves when used or pressed.
Bathroom ceiling paint peels
Paint flakes or blisters in a high-humidity room.
Sewage smell in an unused bathroom
Sewer-like odor develops where fixtures are rarely used.
Bathroom mirror stays fogged for a long time
Condensation remains well after showering.
Tile grout darkens after showering
Joints become visibly darker during or after water use.
Toilet refills at night
The fill valve activates briefly without a flush.