The L Bead is now available in a Mud Set version with the sharp mud bump design of the Architectural Series, featuring the company’s Mud Lock Technology. The engineered hole pattern allows excess mud to flow through and quickly self level the bead, saving time and money. Fill coat the bead the same day. No more waiting for the setting coat to dry. All Mud Set Beads are rust proof and do not promote mold growth. Mud Lock Technology assures no cracks or call backs. Available for 1/2- and 5/8-inch drywall.