NO-COAT 450 flexible corners rolls from CertainTeed provide a perfect corner at any angle needed every time. Applied with joint compound, it has a uniform, strong, structural bond because of its paper backing preventing cracking and callback. This high-quality formulated face paper is perfect for applying paint or texture. Plus, it provides a tough, good-looking corner. This pack contains 4 rolls of 4.5 in x 100 ft. Furthermore, it gives extra stiffness, making it easier to work with on places like vaulted and cathedral ceilings. It's perfect to cover large gaps and poorly framed corners. In addition, it offers substantial impact resistance.