Designed for 90 degree corners, suitable for for use on any thickness of wallboard. The paper-faced bead adheres easily to joint compounds, textures and paints, ensuring a 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 tape covering installs quicker and easier than bare metal beads and is also available in a variety of tape on, nail on, and inside and outside profiles.