It looks like water has condensed on the wall but despite repeated cleaning the substance still appears brown and sticky.
Oily substance on bathroom walls.
The ceiling seemed unaffected.
What is happening in your bathroom is a common paint problem called surfactant leaching the following is from the paint quality institute.
The drip can start from.
A few years ago we used kilz primer and painted two of the walls in the bathroom.
That old of a home would have oil based paint and a varnish on the walls.
You need to strip the wall paper strip the walls and start over from bare walls.
Then i noticed it on top of the radiator.
I have tried leaving the window open when showering and even leaving the bathroom door and then both bathroom and bedroom doors open.
Having just cut a hole through the dry wall i can confirm that there are no leaks from the.
What can i do to stop this.
I d say it s from condensation and the odd collection of goop is from the wall never being completely washed or painted for who knows how long.
I have noticed in the bathroom after recently painting steam seems to leave an oily golden yellow residue dripping down the walls.
Over the past few years i have found a number of oily yellowish drips in all areas of our home.
We thought at first it was something from the kids spilled something and maybe didn t clean it up right maybe spilled some kind of candy or our 6 year old niece that visits and doing something.
The drips are always on paint.
All 4 walls in the bathroom were bleeding from top to bottom.
It didn t build up it more or less pooled.
In the bathroom i ve noticed that on certain surfaces like the part of the sink that is connected to the wall has some yellow substance in it.
They appear on external and internal walls.
The bathroom is up against the wall to the outside of the house.
The condensation causes all the foreign material that is on the wall to coalesce into the water droplets.
If you haven t noticed brown spots or streaks on your bathroom walls in the past or anywhere else in your house but start to see them after recently painting the problem could be something called surfactant leaching.
Several weeks ago the walls in the bathroom began to bleed a mysterious sticky substance some sort of oil.
Yellow sap like substance on inside walls over the last month or so we have had random spots of sticky yellow sap on our walls in weird spots.
Started noticing this same thing so we never painted the other walls.
I have an interior bedroom wall that somehow produces a brown sticky substance that runs down the wall.
Then pooled on top of the toilet paper holder.
The wall is an interior wall constructed of wooden studs and 1 2 inch drywall.