Paint and aluminum – how to ensure a good mix. conscientious aluminum boat and hardware builders and having supervised the painting of many aluminum. Re: paint blistering/corrosion-aluminum boat i have a 20 foot aluminium hull with a 130 hp honda and i am having the same experience.. paint blistering around rod. When i purchased the boat it had a bit of bubbling of the paint on the gunnels which i believe is possibly some sort of electrolysis..
