Step 10: Apply a third coat of drywall mud. Apply a third very thin coat of mud after the second coat dries. Use the 10-inch knife for all screw indentations, seams, and corners. The wider knife ...

Large holes in drywall, whether caused by accident ... If necessary, apply a second coat of joint compound, feathering it even further out from the patch to create a seamless transition.

With a better understanding of the tools and materials, you can confidently transform heavy sheets and mud ... drywall pros appreciate the rapid drying time so they can quickly apply a second coat.