Why does the paint appear streaking?

Anonymous asked 5 years ago

We have painted the walls in our house(newly erected) walls with primer and then paint. After a hour or so from drying the paint appears to be coming up as if someone came along and threw a cup of water on the wall. It has done it in two rooms the first room the streaks appeared right away the second room the streaks appeared a few months after the paint job?????? Do you have any idea why this is happening???

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