KHIA headerKnow-How in Action


Belzona® Seals Wind Farm Transformer



Power (POWR)



Tanks and Chemical Containment Areas (TCC)


Customer Location:

Wind farm, North Wales


Application Date:

January 2016


Application Situation:

Wind turbine oil filled transformer due for replacement.



The transformer was leaking transformer oil. This was a safety concern as the transformer could overheat. The transformer couldnot be transported from siteas the leaking oil could contaminate the surrounding farmland. A quick solution was required to avoid operational delays.



Belzona 1212





Application Method:

The application was carried out in accordance with Belzona KnowHow System Leaflet TCC-1. The surface was prepared using power and hand tools before applying the Belzona 1212 to seal the leak. 


Belzona Facts:

Belzona were tasked with supplying material over the weekend as for every day the wind farm was out of service the customer was losing in excess of £34,000 due to the wind turbines were in sequence and all turbines had to be switched out to replace faulty transformers. Belzona 1212 surface tolerant material offered a rapid curing solution to allow the transformers to be replaced as planned with minimum down time and maximum protection to the environment.


Photographs Description

1. Belzona 1212 applied to leaking section 2. Transformer being Replaced 3. Belzona 1212 repair made transformer safe before being transported from site

Case study pic one


 Case study pic two


 Case study pic three




For more information about Belzona visit: