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 and covering …

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

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, tears, and other …

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, …

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 with the …

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 …

Build, renovate or repair with high-quality joint compound. Shop for a variety of drywall mud products and the tools you need from top brands at Ace and online.

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 that turns into …

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.

Check each product page for other buying options. Price and other details may vary based on product size and color. DAP White Light Weight Joint Compound 1 gal. USG 384024006 3Lb Bag Easy Sand …