Overview Seawater had penetrated the structure completely, with water forming within the small air pockets found throughout the structure. The internal walls were also rotting and were continuously wet throughout the winter months. After trials were conducted with several products, it was found that the only suitable solution was Chemco. Challenge The lighthouse had to be encapsulated due to the harsh weather conditions found next to the coast and to stop further water ingress. The encapsulation also ensured that no debris from the surface preparation procedures would contaminate the sea. Solution All external cracks were opened up; resulting in the release of water held within the walls. Abrasive blasting was utilised as the surface preparation method. One primer c

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