Maintaining protection of metal structures against corrosion in marine environments presents problems of surface preparation, accessibility and the limitations of various coating systems. Cathodic protection may be utilised underwater but its effectiveness is severely limited in the splash zone. Hence, reliable coatings are required. Petrolatum tapes have special virtues under these conditions. Following years of experience of the use of petrolatum tapes in difficult environments a comprehensive corrosion protection system was developed for piles, offshore platforms, risers etc. The paper covers both laboratory and field experience leading to commercially viable coatings.

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