0800 422 692

Galvanised spiral wound formers for construction

Drossbach Ducting is manufactured from galvanised steel to create a spiral wound former. They can be used in precast concrete connections, duct formers for post-tensioned tendons and a variety of precast and cast-in-situ concrete work including service penetrations and formers for starter bars. The semi-rigid metal duct is strong and durable for casting into concrete and is easily tied into position adjacent to reinforcing steel.

Features and Benefits

  • Manufactured locally for faster lead times
  • Up to 150mm sizes (ID)
  • Vent tubing and customised services
  • Simple and effective end caps
  • Formwork locating plates for a secured ducting connection



  • Precast connections
  • Service penetrations
  • Formers for starter bars
  • Post-tensioning ducts


contact us

Interested in this product?

If you think this product meets your projects needs then get in touch with us to discuss how we can assist you.

Contact us

Keeping you in the loop

Join our mailing list

Something went wrong while submitting the form. Please try again.