KHIA headerKnow-How in Action


Belzona® Seals Ash Tank Roof



Power (POWR)



Roof Problem Areas (RPA)


Customer Location:

Power plant, Guangxi, China


Application Date:

October 2006


Application Situation:

Roof of ash tanks in the power plant



After years of service, the steel plates had started leaking. Two other coatings were applied but both failed.



Belzona 2211 (MP Hi-Build Elastomer)

Belzona 3111 (Flexible Membrane)



Carbon steel


Application Method:

Application was carried out in accordance with Belzona Know-How System Leaflet FPA-6, RPA-1 and 6. The joints were sealed with Belzona 2211, before applying a fully reinforced Belzona 3111 Flexible Membrane system.


Belzona Facts:

Belzona solution for tank roof offers longer service than the conventional welding. The performance is far superior than other coatings the client tried. This cost effective solution won client's trust. After 7 years in service, the repair work is still in perfect condition and the client is looking to have more roofs repaired by Belzona.


Photographs Description

  1. The previous coating failed within 1 year. The cracks in the joint caused leaking
  2. The repair work was completed with Belzona solution
  3. Overview of the completed application
  4. After 7 years, the repair still in perfect condition
Case study pic one


 Case study pic two


 Case study pic three


 Case study pic four


For more information about Belzona visit: