If you’ve ever watched a pro finish drywall, you probably thought to yourself, “I can do that.” And probably the first time you tried it — and the tape didn’t stick, and the joint compound had lumps ...

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 ...