KHIA headerKnow-How in Action


Belzona® Rebuilds Rudder Pintle Housing



Marine (MRNE)



Ships and Offshore Structures (SOS)


Customer Location:

Dry Docking Company - Vancouver, British Columbia - Canada


Application Date:

September 1999


Application Situation:

The rudder pintle housing was oversize and needed to be rebuilt



A breakdown of the seal had allowed seawater to enter the housing causing bi-metallic corro sion.



Belzona® 1311 (Ceramic R-Metal)

Belzona® 1321 (Ceramic S-Metal)



Mild steel


Application Method:

Application carried out in accordance with Belzona Know-How System Leaflet SOS-3.


Belzona Facts:

Rebuilding rudder pintle housing in this manner has three major advantages over a conventional repair.It eliminates stress cracking as no heat is involved.It reduces dry docking time andIt solves the problem of bi-metallic corrosion.


Photographs Description

  1. View of coated rudder pintle one being inserted into the bore which has also been pre-coated.
  2. The pintle now completely inserted and extruded material removed.
  3. The pintle removed showing reformed bore giving 100% contact with the pintle.
Case study pic one


 Case study pic two


 Case study pic three




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