It can happen to any drywall really, and you have to look very close but you’ll see that joins are proud of the surface because of the tape and mud applied over them. It’s not the kind of thing that matters but if you have a very keen eye they’ll stick out like a sore thumb
Wait what? Is this specific to ceilings? Because I’ve hardly ever noticed drywall seams under paint
It can happen to any drywall really, and you have to look very close but you’ll see that joins are proud of the surface because of the tape and mud applied over them. It’s not the kind of thing that matters but if you have a very keen eye they’ll stick out like a sore thumb