Joint compound – also known as drywall mud – is a gypsum-based mixture that helps give your wall a seamless look by securing drywall tape, sealing the joints between the drywall panels …

Feb 11, 2025 · What Is Joint Compound? Joint compound is the same as drywall mud or mud. It's comprised mainly of gypsum and limestone, but it also has other materials such as clay, mica, …

Rapid Joint® Lightweight Setting Compounds are lightweight sandable chemically setting powders used to prefill joints, embed joint tape and conceal joints, fasteners and trim …

Sep 4, 2025 · Joint compound (also known as “drywall mud,” “Sheetrock mud,” or simply “mud”) is comprised mainly of gypsum dust and can be bought in bags of ready-to-mix powders or in pre …

Joint compound is used to finish gypsum panel joints filled with paper or fiber joint tape, corner bead, trim and fasteners, and to skim coat. It is also convenient for patching holes, bumps, …

Jul 31, 2025 · Now you know what joint compound is and how to use it effectively. It’s simply gypsum-based paste that transforms rough drywall into smooth, paintable surfaces.

Mar 25, 2025 · Joint compound is a white, pasty substance that’s made up of gypsum dust (and sometimes a mix of limestone). When mixed with water, these minerals create a compound …

May 1, 2024 · What Is Joint Compound? Joint compound, also known as drywall mud or plaster, is used is to fill in all the gaps and cracks in your walls. It is a mix of gypsum powder and water …

Sep 9, 2025 · When making repairs to plaster walls and underlying lath, use joint compound. Joint compound for drywall is favored due to its compatibility with both the lath and plaster; the …

Jun 21, 2025 · Joint compound is commonly referred to as drywall mud. It’s a soft, pliable substance used to fill joints and seams between drywall sheets. Joint compounds come in …