I ha d renovations done in my home in '98. Part of the renovations included mounting new drywall in the bathroom and a storage room. Recently (within the past year), the plaster around the drywall studs has raised about 1/8 inch, leaving a noticeable dimple in the wall's surface. When I removed one dimple with a scraper, I could see the stud used to mount the drywall. My questions are: 1) What causes this problem; 2) What is the best way to replaster and paint to prevent this from reoccuring?
It is hard to understand your question because you seem to be using incorrect terms. "Plaster around the drywall studs" makes no sense.
If drywall was used there would be no plaster. Plaster is wet wall. Perhaps you are referring to the drywall joint compound, commonly referred to as "mud."
A stud is a 2x4 board used to frame a wall. It is underneath the drywall. From your description, I imagine that you are referring to the drywall nail or screw.
What you seem to be describing is commonly referred to as "nails popping the surface."
What causes the problem could be several things. It could be that water is leaking into the wall and making the 2x4s swell up or the drywall sheet to buckle. It could be that the nails or screws were not put in properly. Others will probably give you other possible reasons based on their experience.
You could simply smack the nails with a hammer to drive them back down then fill the dimple with spackle.
The thing you want to know is that this should not happen. You need to talk to the drywaller who did the job and pose the question to him. You have every right to do this. He has a responsibility to make it right and make sure it says that way if it results from something he did wrong. He will probably tell you it is not his fault, and he could be right. If this happens, you might want to check with other of his clients to see if it happened to them too. If it did, you have grounds to complain to the state contactor-licensing board, if your state has one and this contractor is licensed.
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