Saponification

Symptoms

The coating is not resistamt to alkali. Blisters appear, paint softens and flakes off.

Cause

Incorrect use of product Application of alkyd based topcoat to alkaline material (e.g. concrete or cement) Humidity problems Caustic stripped surface not neutralised Solution

Remove all paint layers and apply a new alkali resistent system. Prevent water penetration. Apply an alkali resistent system.