Corrosion under insulation (CUI) is one of the most persistent and costly challenges in the integrity management of storage tanks and pipework across industries like Oil & Gas, Energy and Chemical Processing.
The danger lies in its invisibility! Equipment that looks sound on the outside may be deteriorating beneath layers of insulation and cladding. Left unchecked, CUI can lead to:
> Unexpected equipment failure.
> Safety risks for personnel.
> Expensive, unplanned shutdowns.
> Shortened asset life cycles.
Why Does CUI Happen?
Moisture inevitably finds its way beneath insulation – through damaged cladding, failed seals, or even condensation. Once trapped, it creates the perfect environment for corrosion to accelerate out of site.
How Can We Fight Back?
+ Regular inspection and monitoring (using CUI certified inspectors).
+ Smart insulation design – using protective coatings and moisture resistant materials.
+ Preventative maintenance – addressing small issues before they become costly failures.
+ Long-term protection – replacing traditional insulation and cladding systems with innovative thermal-insulation coatings designed for both long term corrosion protection whilst offering exceptional thermal efficiency.
Addressing CUI isn’t just about cost savings, it’s about ensuring safety, reliability and sustainability in our industrial infrastructure.
As the saying goes, “what you can’t see can hurt you!” That’s never truer than with CUI.
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