You can glue the drywall directly to the plaster which will work if the current plaster is not too uneven.
Can You Repair Plaster Walls With Drywall. Leah demonstrates how to repair a hole in a plaster wall or ceiling with drywall, using a method where she sisters the studs and shims the drywall to fit. Finishing the edges of the repair with tape and joint compound makes the outlines of the patch disappear.
How to Repair a Plaster Wall with a Swirl Sand Finish ... from seejanedrill.com
So there the walls sat, looking sad and punched out, until that fateful day when i discovered wall repair patches for drywall and plaster. A better finish will be obtained if you batten the walls first ensuring that the battens are vertical and level horizontally. Combine that with the extra strength and.
Perform steps three to six from above, and then you can prime.
Plaster systems can vary in thickness, depending on the type of system used. If needed, apply drywall/plaster tape to the wall to fill in larger, bumpy areas. However, as @tester101 points out you'll have to pull out all your sockets and light. Large metro areas that have a large stock of older homes tend to have tradespeople who specialize in plaster.
