Another pic attached showing the wall behind a dressing table. The wall is made of brick with a cement render which was then painted using water based emulsion paint.
It is a first floor room there is no drains or pipes on the other side although it is a gable wall. The apartment is in...
Hi I have this seeping out of brick/cement plastered walls in my holiday home in sunnier climates.
Does anyone know what it is?
What is the treatment?
TIA