CertainTeed NO-COAT® Flexible Corner provides a perfect corner by fitting every angle, every time. Applied with joint compound, it has a uniform, strong, structural bond due to its paper backing. Faced with a tight fibered, high quality paperboard and backed with a joint tape paper, it’s ideal for applying paint or texture. •Applications: •Long peaks (spans > 10 feet) •Vaulted, cathedral, tray ceilings •Long columns or soffits •Inside/outside drywall corners of any length