Protecting aluminum boats from salt water corrosion. as you can see, building an aluminum boat for salt water takes thought. the right alloys must be used, welding must be done just right, and parts must be carefully assembled. protecting aluminum boats from salt water corrosion. interlux.. Questions have been asked about buying used boats, in particular a work boat. i replied to do a very thorough inspection as a lot of work boats do not get taken care of, or thoroughly cleaned and washed down with fresh water after use in the salt.. Aluminum boats in general and duroboats in particular offer great performance, ease of maintenance and economy. the need to operate in salt water should not deny you those benefits, but you must be smart about it..
I have a 1962 16 st crestliner riveted aluminum boat. i don't keep it in salt water but have used it every year for the last 20 in salt water. still going strong. clamming, fishing, skiing it does it all for less than a tank of fuel on the "real boat" lol.. The primary issue with aluminum fishing boats that are regularly used in saltwater is the possibility of electrolysis, which causes rapid corrosion. this generally occurs when 2 different types of adjoining metals come in continuous contact with saltwater.. Be sure and wash the boat and trailer runners well afterwards. i have seen an aluminum boat get pinholes under the runners after being used in saltwater (a lot). was told that the carpeting held a lot of saltwater and it eventually ate through. the owner put teflon on the runners and had no more problems..
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