Hybrid Anode™ System

DuoGuard™ Hybrid Anode™ System

A hybrid technology applied as a remedial measure to reinforced concrete structures suffering attack from chloride salts.

The DuoGuard™ range of embedded anodes is an Innovative dual technology that arrests the corrosion of steel reinforcement within 7 days. DuoGuard is installed into concrete structures to stop reinforcing steel corrosion caused by chloride salts and carbonation. With a long system lifetime the DuoGuard anode provides a cost effective, measurable method of corrosion protection.

How does it work?

DuoGuard is a hybrid treatment. During treatment a sacrificial anode is used as both an impressed current and galvanic anode. Initially, a constant voltage power supply is used to drive a high current from the installed anode to re-passivate the corroding steel, typically for one week. The same anode is then connected directly to the steel to provide maintenance free cathodic protection by means of a galvanic current. The hybrid system means that the requirement for a permanent power supply is eliminated and DuoGuard offers the advantages of a galvanic anode system, requiring little or no maintenance.

The DuoGuard anode is available in FIVE SIZES to suit the need of the structure:

Product name: Product dimensions:
DuoGuard™ 175 42 mm long x 18 mm diameter
DuoGuard™ 350 77 mm long x 18 mm diameter
DuoGuard™ 500 110 mm long x 18 mm diameter
DuoGuard™ 750 165 mm long x 18 mm diameter
DuoGuard™ 1000 220 mm long x 18 mm diameter

beneficial features

  • Rapid inhibition of steel corrosion
  • Economical: targeted application reduces costs
  • Short treatment minimizes structure’s downtime during application
  • Performance can be easily monitored
  • No long term maintenance
  • Cost effective corrosion control solution
  • Impressed current can be reconnected at any time as a backup option
  • All installation materials include in anode price


  • Bridges
  • Car parks
  • Coastal structures
  • Industrial structures
  • Residential High Rise

get the whole package

Get everything you need for a complete installation of DuoGuard!

  • DuoGuard™ Anode
  • DuoCrete SD embedding mortar
  • Polymeric Connectors
  • XLPE Coated Titanium Wire
  • On-site installation guidance

CPT Ltd. includes in the anode price all the ancillary materials needed for DuoGuard installation.

photo gallery:

DuoGuard™ Hybrid Anode™ System product range
DuoGuard™ Hybrid Anode™ System product range
DuoGuard™ Hybrid Anode™ installation
DuoGuard™ Hybrid Anode™ installation
DuoGuard Hybrid Anode System package contents
DuoGuard™ Hybrid Anode™ System package contents


DuoGuard™ Datasheet DuoGuard™ Installation Guide XLPE Coated Titanium Wire DuoCrete SD Embedding Mortar

Contact Information

Mobile: +30 6944846519
Email: crd@crd.gr

Office Hours

9:00 to 17:00
Monday to Friday

Postal Adress

Currently relocating

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