Steel Circular Formwork BIRA

Adjustable vertical formwork for the construction of circular or curved walls.
Adjustable vertical formwork for the construction of circular or curved walls.

The BIRA system is a circular steel formwork system for curved walls. The simple mechanism makes it easy to curve according to the required radius.

  • Permissible concrete pressure:
    • 60 kN/m2 with tie rod Ø 15 mm
    • 80 kN/m2 with tie rod Ø 20 mm
  • Minimum curvature radius: 2.2 m
  • BIRA Formwork is available in imperial measurements
    • Concrete pressure: 1650 psf
  • High-strength steel forming face
  • Panels with only 2 rows of anchors
  • Wide range of panel heights (intervals of  25 cm are possible)
  • One width per panel (inside, outside)
  • Simple curvature blocking
  • Compatible with ORMA formwork
  • Reduced number of accessories
  • Built-in components for lifting, vertical panel connection and levelling
  • Safe assembly
  • Quick joining of panels with clamps