The heads of nails used to fasten plasterboard to studs often pop out. This is caused by moisture changes in the studs which squeeze the nail out.
To remedy popped nail heads, first drive additional nails about 2" above and below the popped nail head. Drive the nails, including the popped nail, until a dimple shows around the head. Be sure you hold the plasterboard tight to the stud.
Dust off all loose paint and plaster and fill the dimple with patching plaster using a wide putty knife. Let dry and if patch shrinks re-apply patching plaster.
When patch is completely dry, sand with fine sandpaper and paint.
This article was written by Anne Field, Extension Specialist, Emeritus, with references from Michigan Extension bulletin Wall Repair and Fasteners.
