Standard Angle Bead provides straight corners for the walls when used over irregular surfaces. Plaster bead is used to effectively terminate plaster edge in a straight line at doors, windows and other openings, also used when plaster meets dissimilar material.
Stop Bead provides more surface area to receive sealants, protects insulation boards while applying sealants or primers. Used with all thickness of insulation boards. Stop bead enhances appearance of straight edges.
Angle bead can also be made of perforated metal: The intricate pattern of holes allows mud to penetrate through the bead to the drywall. The Angle bead becomes part of the wall.
Perforated corner beads are adapt to framing irregularities and to match appropriate screed heights. Furnishes are galvanized steel and zinc (99% pure zinc) alloy.