Corner Bead reduces the amount of compound build up on the corner. To add strength and eliminate cracking of the internal corner, our P18 Internal Corner Bead can be used and in high trafficable areas of commercial buildings, such as hospitals, schools and public buildings; bullnose corner beads are often installed to achieve rounded corners. Disclaimer All product images shown are for illustration purposes only. Actual products may vary in term of size, type, brand, version, colour, and other relevant characteristics.