Case Study –Applying Antifoulant Undercoating to an Aluminum Hull Vessels

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The NOAA research vessel the Peter Gladding is a 56 ft high-speed aluminum catamaran that patrols the Dry Tortugas Sanctuary in the Florida Keys.  The vessel came to the 5th Street Marina for underbody recoating and other miscellaneous repairs.  Upon hauling and cleaning, it was observed that the existing antifoulant coating had failed on over 50% of the hull after only one year of use.  The following describes the probabl