Technical Data

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Vessel Owner: Sevicio Aeronaval
Year Completed: 2012
Shipyard: MEC Shipyard
Coating Used: Mascoat Marine-DTM
Thickness: 40 mils (1.0 mm)


Sevicio Aeronaval (Panama’s Navy) was renovating one of its ships at the MEC shipyard. The ship was an old US Coast Guard vessel built in the 1970’s that they were completely remodeling. They were having condensation problems on the interior walls, and although those areas were already insulated, the condensation was forming behind the insulation. This led to slip and fall hazards, as well as mold and mildew in some areas. It also reduced the effectiveness of the insulation. C4 Panama (Mascoat’s Panamanian) recommended 60 mils (1.5 mm) of Mascoat Marine-DTM (DTM) coating to solve this problem.


The second issue they were experiencing was the elevated temperature in the cockpit. Originally there was no insulation originally in the cockpit. On long daytime patrols, it was almost unbearable to stay at the wheel for an extended amount of time. Mascoat recommended spraying 40 mils (1 mm) of DTM on the inside of the cockpit walls and roof ceiling to help reduce the solar loading they were seeing in this area.


Sevicio Aeronaval decided to go with C4’s recommendation, and the project was completed in July of 2012. Since then, there have been no reports of condensation in the coated areas, and the cockpit temperature has been greatly reduced.