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Circular formwork H20

The practical circular formwork for exact curves

Circular formwork H20 is a practical circular formwork system that delivers smooth, curved walls from radius of any size greater than 12 ft.


Highly cost-efficient
right from the very first time of use 

The system reduces rental and labor costs at your site by

  • being fully assembled into full height units x 8 ft (nominal) wide when they arrive at your jobsite
  • low on-site formwork quantities, as it adapts effortlessly to any layout
  • delivering pre-assembled elements that are quickly ready for use by adjusting a few spindles built into every panel
  • using fewer ties - up to 20 sq. ft. per tie

Radius can be continuously adjusted
simply by turning spindles 

Circular formwork H20 stands out for great flexibility, thanks to its

  • practical height grid
  • exact curves to form any circular structure with a radius greater than 12 ft.
  • flexible, heavy-duty birch plywood that can easily be nailed or screwed

Rapid working
and ease of handling 

Efficient construction cycle, as

  • there is only one connecting device
  • the system can easily be combined with Framax, or Top 50 wall formwork
  • setting the radius is easy – simply by turning spindles
  • radius is easy to check, using flexible templates

The practical height grid of the panels and the systematic tie spacing make it possible to set up formwork for many different height combinations.



Continuously adjustable

The circular formwork elements are easy to adjust. Specially designed spindles allow the circular formwork elements to be precision radii used to match the shaping template.

Easy to combine

A special end-profile makes it easy to connect the system to other Doka formwork systems such as framed formwork Framax Xlife or Top 50.

Optimum element size-grid

  • Only two widths of panel (inside element 7'-10" (2.40 m), outside element 8'-2" (2.50 m) )for all radius down to 12 ft.
  • Practical height grid with 4 different heights of panel


Radius down to 12 ft.

Each fully pre-assembled element for inside and outside formwork can be precision-shaped for any radius down to 12 ft. to match the shaping template.

Easy to adapt

Circular formwork H20 is easy to adapt to different radii, simply by turning the spindles.

Suitable products