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Product description

PENTABOX is a FERBOX® rebending connector in combination with the PENTAFLEX® Sealing System for producing watertight concrete structures (white tank). In comparison to conventional rebar connections, the PENTABOX provides the best possible security against leakage in the area of the joint and is used in areas that come into contact with water, for example, for wall and ceiling connections, bracket connections for wall masters or connector brackets, as well as light shaft connections. 


  • Security against water permeability by the double-sided PENTAFLEX® special coating
  • Trouble-free installation
  • Conforms to all requirements of the rebending connections 


Protective box made from profiled steel sheet. Reinforcement bars (ø 6 – 16 mm) made from B500B. Synthetic material cover. Sealing through the PENTAFLEX® special coating. 

Delivery lengths/load groups:

For all FERBOX® rebending connections from 115 mm box width.

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