If you want to hang the piece on a plaster wall in a spot that isn't directly over a stud, you can use a toggle bolt.
Can You Hang Drywall Over Plaster Walls. Drywall is a necessity in most building projects. One of the fastest ways to cover old, damaged, or cracked plaster walls is to hang drywall over them.
Was This Common Long Ago? - Drywall & Plaster - DIY ... from www.diychatroom.com
Once you dry wall over the plaster, 14 (the reveal) will end up a thicken of dry wall set a back and 13 won't be able to nail back onto it. Hanging things on plaster walls. Remember those joist marks you made on the wall…yep, they come in handy at this.
Typically building codes require 5/8″ drywall for the ceiling.
I've heard that drywall mud won't stick to plaster. Hanging drywall sheets is an important part of building a wall system. Hanging drywall is a crucial skill that you keep returning to over and over when you remodel a house. .plaster walls, one technique to dress up the room is to install drywall over the existing plaster.