KHIA headerKnow-How in Action

VOL XXXIV, NO 17

Belzona® Seals A Ship Hull

 
 

Industry:

Marine (MRNE)

 
 

Application:

Ships and Offshore Structures (SOS)

 
 

Customer Location:

Ship yard, France

 
 

Application Date:

May 2008

 
 

Application Situation:

The ship is in dry dock, but this application could have been done underwater.

 
 

Problem:

Lead ballast have been stored in the engine room, leading to galvanic corrosion with the hull.This lead to heavy pitted areas, creating issues regarding the waterproofing of the hull. The ship has to be tugged to another dockyard for replacement of the metal frame.

 
 

Products:

Belzona 1161 (UW Metal)

Belzona 5831 (ST Barrier)

Belzona 5811 (Immersion Grade)

 

Substrate:

Carbon Steel + anti fouling primer

 
 

Application Method:

The application was carried out inaccordance with Belzona Know-How Systems Leaflet SOS-01 + SOS-02 High pressure water cleaning of the hull, rebuilding of the pitted area with Belzona 1161, Application of 1 coat of Belzona 5831 (350 microns) and finally application of Belzona 5811 (350 microns).

 
 

Belzona Facts:

After having considered pouring concrete down inside the engine room, the Belzona solution has been approved for its safe application as well as its easiness to apply.

 
 

Photographs Description

  1. The ship
  2. Localised repairs with Belzona 1161
  3. First coat of Belzona 5831
  4. Second coat with Belzona 5811
 
Case study pic one

 

 
 Case study pic two

 

 
 Case study pic three

 

 
 Case study pic four

 

 
 
For more information about Belzona visit: www.belzona.com