Water – pop a water bubble on the wall

paintwallswater-damage

We live in LA and it rains every once in awhile. I noticed recently that there is a bubble on my wall and I can actually push it around.
The wall is plaster and we have latex paint on top. (There are many layers, b/c this house is 90 years old, so the bottom layers may be other kind of paint.)

I know that eventually I will have to fix where the source of the water leak is, but I. The mean time can I just pop this bubble by making a tiny pinhole to drain it? Or is it a bad thing to do. I don’t want the hole to grow bigger.

Here’s a picture. I’ve placed my hand next to it for scale.
water bubble

Best Answer

I wouldn't be inclined to make a pin hole because it could take too long to drain and could be soaking into the wall and forming mold. I'd make a small slit right on top of the baseboard. Now you really need to find the source of the leak. Is that an outside wall?

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