Acrylic latex over oil paint.

Anonymous asked 6 years ago

We have oil-based paint on our wood board (plank-type) ceiling (about 70 years old) which was covered with acrylic latex with no primer, about one year ago. Now there are orangish-brown colored spots on the ceiling which in some places drip to the floor. Feels like some kind of oil. Also there are wrinkled lines in places. What caused this and what do we now? Help please.

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