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Bow Truster Repair With Belzona



Marine (MRNE)



Ships and Offshore Structures (SOS)


Customer Location:

Dockyard, Bulgaria


Application Date:

November, 2009


Application Situation:

Bow thruster of cargo vessel



Erosion/corrosion effects made severe pitting damage to the whole bow thruster and supporting pillar due to bad cathodic protection.



Belzona® 1311 (Ceramic R-Metal)

Belzona® 1321 (Ceramic S-Metal)



Cast iron


Application Method:

Application was carried out in accordance with Belzona Know-How System Leaflets SOS-1 and 2.


Belzona Facts:

Replacement of the badly eroded bow thruster body was planned for the next dry-dock but immediate replacement was not an option due to delivery time constraints. Belzona was chosen for its durable, fast and inexpensive application. The whole repair was done within a 48 hour period, restoring an even surface profile with additional protective coating for long erosion/corrosion resistance.


Photographs Description

  1. General view of bow thruster
  2. Belzona® 1311 used to rebuild damaged surface and restore profile
  3. First coat of Belzona® 1321 applied
  4. Second coat of Belzona® 1321 applied to complete application
Case study pic one


 Case study pic two


 Case study pic three


 Case study pic four


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