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Corrugated Flat Duct

The KGN Prestress (KPS) flat ducting is ideal for bonded post-tensioned concrete slabs. Ducting encases strand from the live-end to the dead-end to seal the strand from concrete until grouting. Being strong and easy to cut, it is also used with bar chairs to achieve the desired tendon profile.

  • Galvanized to prevent rust
  • Strong and cuttable.
  • Strapped in bundles of 5
  • Duct sizes



A - Width

B - Width


KPS Flat

400 mm - 90 mm

20 mm - 30 mm

Design enquiries from customers are welcome

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