CertainTeed NO-COAT PRO Automatic Drywall Corner System is a revolutionary new way to install drywall corners. It is a self-contained system that includes everything you need to install perfect corners quickly and easily. The NO-COAT PRO system uses a pre-molded corner bead that is attached to the drywall with a special adhesive. The adhesive is activated by water, so there is no need for messy joint compound or sanding. The NO-COAT PRO system is also very easy to use. Simply cut the corner bead to length, apply the adhesive, and press the bead into place. The adhesive will dry quickly, and you will be left with a perfect corner that is ready to paint or wallpaper. The NO-COAT PRO system is the perfect choice for DIYers and professional installers alike. It is the fastest and easiest way to install drywall corners, and it produces professional-quality results. If you are looking for the fastest and easiest way to install drywall corners, then CertainTeed NO-COAT PRO Automatic Drywa...See Morell Corner System is the perfect choice for you. With its easy-to-use design and professional-quality results, NO-COAT PRO can help you get the job done right the first time. See Less