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-mixed tubs.

These two wall-patching putties are similar, but they’re not interchangeable. Learn how to pick the right one for your wall repair project.

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-mixed tubs.