Drossbach Ducting

Drossbach Duct is manufactured in Christchurch supplying the South Island while our Auckland branch is able to supply to our North Island customers.

Drossbach Duct is used as a duct former for a variety of precast and cast – insitu concrete work including:

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

The semi-rigid metal duct is strong and durable for casting into concrete and is easily tied into position adjacent to reinforcing steel. Standard grout injection tubes, grout vents or blanked ends can be supplied on request.

Key features of Drossbach:

  • Duct sizes from 33mm to 130mm ID as standard.
  • Fabricated from 0.30mm thick galvanised strip steel
  • Cutting service provided (charges applicable).
  • Grout and vent tubes, blanked end – available on request (charges applicable).

Contact your local BBR Contech office to discuss your specific requirements or email [email protected] for any orders.

BBR Case Studies

How to make the strongest possible concrete repairs using epoxy injection technology
Case Studies Concrete Repairs Epoxy Injection News

How to make the strongest possible concrete repairs using epoxy injection technology

While attending the World of Concrete trade fair in Las Vegas during January 2019, we were pleased to catch up...
Read More
BBR CONNÆCT 2019 Magazine
Case Studies News

BBR CONNÆCT 2019 Magazine

The 2019 CONNÆCT magazine celebrates the 75th anniversary of BBR with reflections on the past and a look to the...
Read More
Paul Wymer welcomes new shareholder to BBR Contech
Case Studies News

Paul Wymer welcomes new shareholder to BBR Contech

On behalf of the directors and shareholders, I am delighted to announce that Derek Bilby has joined Andrew Dallas and...
Read More

Sign up to our newsletter

Get Your Quote or Call: +64 9 274 9259

One of our friendly staff members are here waiting to help you.