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Injection Tube RI system


The Normet Injection Tube system is essential for the construction of water tight structures. The joints should be arranged in such a way that crack formation is virtually eliminated.

It is important for the contractor that joints are a simple but safe design. In practice however, these factors remain ignored to a large extent.

Conventional joint constructions can be extremely costly, unsuitable for the intended purpose and consequently often cause leakage. Cracks in the form of nominal cracking points are not methodically planned; crack formation is left to chance.

When damage occurs, leakage is restrained by injection at specific points. The cost of this operation is difficult to calculate and is usually considerably underestimated. This knowledge has resulted in the development of a system, which as a joint packing for scheduled injection through a special hose system, covers the entire area of the joint without concrete drilling.

Injection Tube RI has been designed specifically for the multiple injection of suitable grouts into construction joints and other areas that may require injection at a later date.

Injection Tube RI is constructed from a specially formulated plastic with special slots, which prevent the infiltration of concrete water and laitance during casting but open when internal pressure is applied. Its flexible nature allows it to follow contours and should be placed in lengths of 10 metres (up to 30 metres if required).

Can withstand up to a 12-metre head of concrete

Key specification

  • Re-injection hose

Key benefits

  • Economical to work due to simple manufactured parts and assembly accessories
  • Simple installation
  • Can be injected with all currently available grouting materials (PUR resin, EP resin, Acrylic resin, micro-fine cement)
  • Repeated injection is possible
  • Can withstand up to a 12-metre head of concrete
  • Can be installed up to 30 metres in length


Injection Tube RI system

Injection Tube RI System Technical Data Sheet - Asia Version

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