joint closure system for cavity walls


FLUXX closes off joints quickly and neatly.

This patented system puts an end to time-consuming and untidy improvised solutions when closing off the joints between cavity wall elements.

The FLUXX range consists of two systems.


The FLUXX wall bar consists of a specially produced steel bar that is held in the joint between cavity wall panels with the plastic FLUXX locking anchors. After concreting, the anchors are turned to break them off so that the bar can be removed and reused.


The FLUXX floor bar consists of a lightweight yet very robust aluminium bar with two slots (for connecting mounting brackets with bolts) and the associated FLUXX dowel fixing.


  • Fast: less than 1 minute per joint.
  • Only one person necessary.
  • Immediately ready for use regardless of the weather.
  • No tools necessary.
  • No additional work required.
  • Less waste on site.
  • The ideal technical solution.
  • Long lifetime: bar made from specially manufactured flexible steel section, galvanised and powder-coated.

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Joint formwork for cavity walls

Joint formwork for cavity walls


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