Water-activated adhesive bead for tough corners, installed fastGyproc AquaBead is a revolutionary 90 degree angle corner bead. It features water-activated adhesive to provide a superior bond directly to drywall, making installation easy just spray and stick. The high-strength polymer core withstands impacts to prevent dents and cracks as well as eliminating the need for staples, screws, spray adhesives or messy compounds for bedding.