How To Install Corner Beads For Smooth Drywall Edges
To account for mistakes, always buy spare corner bead ($7, The Home Depot). That will give you some backup material in case a strip gets bent or if a miter is miscut. Mudding beads is also relatively easy because you have the corner to guide one edge of your knife as you spread the compound. Avoid excessive pressure because that will curve the blade of your knife, resulting in an underfilled concave corner....