Drywall mud, also known as joint compound, is a gypsum-based paste used for finishing drywall joints, corners, and for repairing cracks and holes in existing drywall and plaster. Choosing the right ...

A former owner had wallpapered the ceiling of my bathroom. I’ve scraped it off but in places, the plaster has come off all the way down to the cement. To patch it, should I use joint compound or ...