Nails will chip away the plaster and you ll end up with a large hole in the wall where nothing will be able to be hung.
Hanging things plaster walls.
Instead use a screw because they won t break the plaster wall.
The best option mostly depends on the weight of the picture in question.
Simply hanging something heavy on a plaster wall can result in damage to the wall and the object if you don t tap into the supporting structure behind the plaster.
Screws and screws with masonry anchors for heavy items are your best choice for hanging things on plaster walls without picture rail.
Though there are several methods of locating studs or supports behind the wall the most reliable is using a magnetic stud finder.
If your room has this you can simply drive a screw through the wood and use this to hang things.
Of course you can try this with other size screws but this size pretty much works for anything i need to hang.
As mentioned earlier avoid using nails on plaster wall because they will likely cause the drywall to crack.
Plaster walls have a tendency to crack and crumble if you attempt to hammer a nail directly into the wall.
I hope this helps you in your old house decorating or perhaps new house decorating with heavy objects.
Adhesive picture hooks are the best way to prevent damage when hanging a picture but pre drilling the hole will usually prevent cracks and chips from forming as well.
They can generally support pictures of up to 20 pounds.