KHIA headerKnow-How in Action


Belzona® Repairs Fan Blades



Power (POWR)



Fans, Blowers and Compressors (FBC)


Customer Location:

Houston, Texas, USA


Application Date:

March 2013


Application Situation:

Fan blades on cooling tower seeing wear on leading edges reducing efficiency.



The customer was replacing blades on their cooling towers every 5-7 years, with 12 towers this was a costly expense. The Belzona solution was to rebuild the leading edge and protect for a long term solution.



Belzona 1111 (Super Metal)

Belzona 1321 (Ceramic S-Metal)

Belzona 5811 (Immersion Grade)

Belzona 5111 (Ceramic Cladding)





Application Method:

The application was carried out in accordance to Belzona Know-How System Leaflet FBC-1.  Belzona 1111 was used to rebuild the damaged area on the leading edge and Belzona 1321 was applied to the edge for erosion protection. The body of the blades were coated with Belzona 5811 and overcoated with Belzona 5111.


Belzona Facts:

The customer commented that he was able to save over 80% by using the Belzona repair instead of buying new blades.   The customer commented that the cost of the Belzona repairs was less than 20% the cost of new blades.


Photographs Description

  1. Damaged blades before the repair
  2. Leading edges repaired
  3. Application completed
Case study pic one


 Case study pic two


 Case study pic three




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