A professional drywall finish has smooth seams and corners. A few tricks will help you to finish your drywall corners like a pro.
Step 4: Apply metal bead to an outside corner Measure and cut a length of metal corner bead to fit the outside corner. Apply it firmly to the corner and secure it with metal drywall screws driven every five inches through the metal bead and drywall, and into the stud behind it. Press the metal corner bead in place and secure it with drywall screws
