Stucco corner bead is the accessory that forms and protects an outside corner in a cement plaster assembly. It is set over the lath at the arris before the base coat goes on, and its nose gives the plasterer a straight, continuous screed line to work to from both directions so the finished corner comes out plumb and true rather than hand-shaped.

The bead has perforated or expanded flanges on each leg. Those flanges are fastened or wire-tied through the lath into the framing or substrate, and the base coat is pushed through the openings so the mortar keys around the metal and locks the bead into the plaster thickness rather than simply sitting behind it.

Once the corner is floated out, the nose of the bead remains the highest point on the corner and takes the traffic. That makes it the wear part of a stucco corner on exterior walls, columns, soffit returns and any location where a plastered arris is exposed to bumps, tools and equipment.

Key Features

• Corner accessory for cement plaster and stucco outside corners, installed over the lath before the base coat
• Perforated or expanded flanges let the base coat key through and bond around the bead
• Nose establishes a consistent plaster ground and gives the plasterer a screed line on both legs of the corner
• Protects the finished arris from impact and edge chipping in service
• Flanges are fastened or wire-tied through the lath to the framing or substrate
• Suited to the masonry and cementitious trades rather than interior gypsum finishing
• Sold individually by the piece

Applications

• Outside corners of exterior three-coat stucco walls
• Corners on interior cement plaster and veneer plaster work
• Plastered column, pilaster and pier corners
• Soffit and fascia returns finished in stucco
• Window and door reveal corners in lath-and-plaster assemblies
• Parapet and chimney chase corners receiving cement plaster

Product Details

• Product Type: Stucco Corner Bead
• Category: Plaster and Stucco Accessory
• Use: Outside corners over metal or wire lath
• Installation: Fastened or wire-tied to lath, then embedded in the base coat
• Sold By: Each

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