How Does a Corner Bead Work?
Dings, Fingerprints and Compensation Anyone who’s built a new house—or bought an old one—knows about corner beads. These handy pieces of metal, wood or plastic are designed to save wall corners from looking wobbly or protecting them from the bangs and dings of everyday life. Big public buildings, like hospitals and libraries where there’s movement of heavy, hard-to-manage wheeled carts, are grateful they were invented and dry wall installers couldn’t function without them. Start Right Dry wall hangers use metal corner beads that are simply a piece of aluminum or steel that’s been extruded, cut in long strips and folded at a 90 degree angle down the center. A few perforations allow the tradesperson to tap in a few little tacks to hold the rail up. When two or more pieces of drywall meet at a corner, the metal strip is glued down, covers the junction and protects the exposed edges. Paper or netting drywall tape is applied and mudded along with other joints, then finished with plaster
