System 4BI Built-In Cyclorama Wall with 42-Inch Cove

Built-in 42-inch cove system with expanded corner design for false-wall studio construction
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Built-In Cyc for False-Wall Studios

The System 4BI is a built-in cyclorama wall system designed for studios that need a 42-inch cove radius, expanded corner performance, and space behind the cyc wall for infrastructure.

Unlike System Super 3EZ, which mounts directly to existing drywall, System 4BI uses a 2-inch, 90-degree flange at the top of the floor coves and along the sides of the corner modules. This flanged return requires a shallow false wall for proper integration.

That construction approach makes System 4BI the better choice when your studio needs wiring, conduit, additional insulation, or other building services behind the cove walls.

The expanded corner design combines a 3-foot 6-inch vertical radius with a 5-foot horizontal radius, creating smoother wall-to-wall transitions than a standard 90-degree corner while reducing problematic sound reflections.

Best for

  • Built-in cyclorama studios with false-wall construction
  • Studios that need wiring or conduit behind the cyc wall
  • Installations requiring additional insulation behind the cove
  • Green screen, blue screen, and white cyc studio environments
  • Broadcast, virtual production, and multi-camera spaces

Why choose 4BI

  • Built-in 42-inch cove system with expanded corner design
  • Designed for shallow false-wall construction
  • 2-inch flanged return for integration into framed wall assemblies
  • Allows space behind the cove wall for infrastructure
  • 3-foot 6-inch vertical radius with 5-foot horizontal corner radius
  • Better suited than System Super 3EZ when behind-wall access or construction depth is required

Installation notes

  • Requires construction of a shallow false wall
  • Built-in system with no fixed height limitation
  • Modules are pre-drilled and pre-trimmed for installation
  • Includes 6 inches of flat vertical plane above the cove radius for a smooth wall transition
  • Seam joints are finished using conventional drywall techniques
  • Compatible with Pro Cyc primer and studio paint systems

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