Hi all
Seeking your advice on this issue. It has been wet in Sydney and this morning I noticed these wet patches. Is it a possibility that there is water ingress or condensation?
It can't be rain as the lower section is dry.
Can't tell from inside if it's damp due to the wardrobe installed behind the wall.
I noticed similar patches on the upper level of another house across the street but were much more extensive with what appeared to be efflorescence up!
Note that the heating is always off in this room, and below the room is the garage.
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