Perforated sheet corner bead or angle bead, is a metal mesh strip attached along an inside or outside corner of two stucco walls. The metal corner trimming adapts to framing irregularities and helps trim the angle and corners of wall plastering. Perforated flanges are preferable for perforated corner beads. Also available with punched grounds. Perforated beads are available in multiple lengths to help reduce waste and minimize splicing. Simply fasten to the drywall for plastering. The perforated flange grounds 3/8", 1/2", 5/8", or 3/4" (1", 1-1/8", 1-1/4" and 1-1/2" special size) to suit all needs. Processed from round hole punched sheet mostly.
Technical Information of Corner Bead / Angle Bead with Perforated Holes:
Common metal bead sizes:
1. Hole size: 15mm, 10mm, 20mm, 30mm
2. Bead Edge:30mm, 40mm, 50mm, 60mm
3. Metal Bead Plate Length: 2.4m-3.0m
Hole Shapes:
Commonly round. Also other patterns.
Popular Materials:
Galvanized steel angle bead;
Aluminum angle bead ( enjoying light weight);
Stainless steel angel bead (for external uses and areas with high condensation and high moisture content).
Comparison of Perforated Metal Corner Beads and Expanded Angle Beads:
Corner beads are either made of perforated metal or expanded metal. While both are widely used, perforated metal beads offer stronger trimming compared with expanded metal beads. Perforated angle beads have more uniform plate thickness, hole sizes and easy to keep its original shaping.
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