KHIA headerKnow-How in Action


Belzona® Rebuilt Marine Jet Drive Propulsion Units



Marine (MRNE)



Centrifugal Pumps (CEP)


Customer Location:

BC, Canada


Application Date:

August 2001


Application Situation:

Jet drive propulsion units



Bi-metallic corrosion had eroded much of the metal despite the placement of sacrificial zinc anodes on side of units.



Belzona 1111 (Super Metal)

Belzona 1341 (Supermetalglide)



Cast Aluminum


Application Method:

The application was carried out in accordance with Belzona Know-How System Leaflets CEP-3 and CEP-5.


Belzona Facts:

The repair of these units using Belzona was less than the cost of replacement with new units, which saved the fire department many thousands of dollars.


Photographs Description

  1. Units after blasting showing extent of erosion with center and outer locating ring rebuilt.
  2. Rebuild of other areas in progress using flexible plastic forms and G-clamps.
  3. All rebuilding completed with filing and sanding in progress to ensure smoothness.
  4. Application completed with units protected with 2 coats of Belzona 1341.
Case study pic one


 Case study pic two


 Case study pic three


 Case study pic four


For more information about Belzona visit: