My bathroom walls this brownish red stuff. It will wipe off, but where is it coming from? The bathroom is in the center of the house, not on any exterior walls.
Can you please be a little clearer on your situation?
>> How old is the home?
>> If older, is the bathroom area drywall or older lath & plaster?
>> How many walls is this present on?
>> What is the painting/priming history?
>> Has any wallpaper been removed or painted over?
>> Are any areas soft/spongy?
Let us know to help narrow down causes.
Thanks!
Faron
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