CGC Beadex® Brand Bull Nose Corner Bead installs easily to form a smooth rounded outside corner. The 3/4" radius trim can be used for 1/2" or 5/8" wallboard. The paper-faced adheres easily to joint compounds, textures and paints, ensuring a strong, smooth finish and is backed by a 30 year limited lifetime warranty. CGC Beadex® Brand Paper-Faced Metal Drywall Beads and Trims produce beautiful, sturdy, cost-effective interior corners that withstand normal wear-and tear. The paper covering installs quicker than bare metal beads and is also available in a variety of tape on, nail on, and inside and outside profiles.