We may earn revenue from the products available on this page and participate in affiliate programs. Learn More › Q: Many of the drywall seams on my 40-year-old house are bulging. It doesn’t appear as ...

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 ...