Sep 27, 2018 · Clean the wall and make sure it's dry and clear of dust, and if you're applying the plaster only to a specific area, make sure you've sectioned it off with painter's tape. Mix or stir your joint compound in accordance with your package's instructions, and then you're ready to apply it. Have been getting into some of the old homes with cement board and plaster on the ceilings and lath and plaster on the walls and alot of these people have damage to these areas. When replacing the Plaster and Joint Compound - Drywall Finishing - Drywall Talk Aug 01, 2016 · Modern Plaster is a hybrid of the commonly used veneer plaster and joint compound finishes available today. It was introduced to me by plasterer with over 40 years experience as a very workable solution to damaged plaster walls. Have been getting into some of the old homes with cement board and plaster on the ceilings and lath and plaster on the walls and alot of these people have damage to these areas. When replacing the Plaster and Joint Compound - Drywall Finishing - Drywall Talk All-purpose joint compound, commonly called mud, is the wet material that is used for drywalll installation to adhere paper joint tape, fill joints, and to top paper and mesh joint tapes, as well as plastic and metal corner beads. It can also be used to repair holes and cracks in drywall and plaster. Put simply, Jointing Compound is a white powder material, mixed with water, that is used for skim coating walls and ceilings. It’s also often used as an alternative to traditional plastering to finish joints, corner beads, trims and fasteners. Essentially, Joint Compound can help hide seams along walls leaving them ready for painting. Joint compound (also known as drywall compound or Mastic) is a white powder of primarily gypsum dust mixed with water to form a mud the consistency of cake frosting, which is used with paper or fiber joint tape to seal joints between sheets of drywall to create a seamless base for paint on interior walls.