BIRA is variable-radius circular metallic formwork made possibly by an easy-to-handle ratchet system that generates the required curve.
BIRA has been calculated for a maximum concreting pressure of 80 kN/m2 with a Ø 20 mm rod, each panel having 4 rods.
General view of frame for storage.
The BIRA range of panels allows you to obtain heights from 1.5 m to 6 m at 25 cm intervals.
View of frame in 3 heights.
