Oil cooler waterbox cover

Total repair and refurbishment of main oil cooler waterbox cover.

Scope of work

The cooler waterbox covers would be considered beyond repair for most companies, without the established refurbishment expertise of Corrocoat. Cracking of the cover was stabilised by performing external metal stitch repairs. The internals were then re-profiled, followed by blasting and coating using a high build vinyl ester coating.


Corroglass 600 series
Plasmet ZF


Mild steel

Application Method

Remove existing coating. Pre machine rebates. Grit blast internals to ISO 8501-1, SA 21/2. Carry out metal stitch repair. Coat using Corroglass 600 to a minimum dft of 1.5mm. Post machine. Grit blast externals to ISO 8501-1, SA21/2. Apply Plasmet ZF followed by a proprietary topcoat.

Coating credentials

We have a proven track record within the power industry and also within the sea water environment. The customer needed a quick turn round to minimise downtime, and Corrocoat was able to meet these requirements, alongside a projected design life of 18-20 years. Corroglass is specially manufactured for its resistance to cavitation, erosion and impact whilst in operation under adverse conditions. Corroglass 600 series and the Plasmet range are both used in diverse applications throughout industry.


Damage cut out
Stitching detail
Internals, coated