Fasten the wallboard to the new framing by using drywall nails or screws designed for the purpose, then finish the wallboard with drywall tape and joint compound.
You can use drywall nails or screws to secure the panels to the studs, but screws are superior fasteners because they do not pop loose like nails can.
Use drywall nails or screws.
You will need a helper and either a few 1 1/4-inch drywall screws, which require an electric drill for installation, or 1 1/2-inch ring-shank drywall nails.
Sheathing Nails: Resemble drywall nails, but are larger in diameter, unhardened, untreated and have a broader head.
Siding Nails: Resemble box nails, but are usually threaded like drywall nails or have a spiral-shaped shank.
Align its edges flush with those of the sides and top, and then fasten it to them with drywall nails or one-inch screws spaced about 10 inches apart.
Mount the channel onto the wall with drywall nails driven into the studs.
However, you should make sure that the plaster or lath is removed in all places where it is seriously buckled out from the wall, as otherwise the weight of this loosened material may pull the drywall nails or screws out later on.