aluminum boat paint bubbling
Cause. prevention. treatment. cause 1: applying paint too thick, too quickly or in hot or windy conditions or a combination of any of them. prevention: reduce amount of paint being applied, add retarder thinner to slow drying rate down treatment: scrape open blisters (or entire coating system where required) and sand back to a good firm edge feathering the edges of the intact coatings to give. Ah yes - bubbling paint on alloy boats. the short answer is not to paint a alloy boat..... dissimilar metals (i.e. sst / brass & steel on alloy) will make short work of any paint. even as the photo shows an alloy rivet in a plastic canopy lug will also start the paint bubbling, and areas where there appears to be no fittings or anything will also bubble and corrode eventually.. When this happens, the aluminum pits and produces copious amounts of aluminum oxide powder or, when wet, aluminum hydroxide, which looks a bit like freezer-burned vanilla ice cream. the formation of the oxide or hydroxide lifts the paint, causing the familiar and unsightly blister, which eventually falls off, exposing raw, pitted aluminum..
aluminum boat paint bubbling I have a 05 alumacraft navigator and i have noticed some paint bubbling and actual corrosion on the rear transom. i have been doing a lot of research on this and deemed the problem to be electrolysis during the charging cycle. the boat sits on the trai.