Cold Wall Effect is a condition that exists in structures such as tanks, vessels, buildings, and other structures that have coatings / linings applied on areas where their opposite sides have a temperature lower than the face of the side that is being coated / lined. In other words, when there is a thermal gradient between one side of a contained area and another. Blisters may occur between the liner and the surface. An example is a steel tank that holds a heated liquid inside, and outside the tank it is a lower or cold temperature. This is forced condensation of moisture on the back-side of the liner system.

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