When you discovered that a standard sheet of five-eighths-inch dry wall weighs 73.6 pounds, you wisely decided not to try to muscle the 32-square-foot sheets to the ceiling of your new room addition.

Joint compound, or drywall mud, is a gypsum-based paste critical for finishing joints, corners, and repairing cracks in drywall and plaster. Selecting the correct type of drywall mud is important ...