Finally have fuel tanks blasted and coated with 5811 belzona immersion grade.. I first sanded with 40 grit and cleaned with ppg alum cleaner.. Then i white blasted all the seems and hard to reach areas.. Cleaned again. Let dry then coated with belzona... 3 coats on bottom. And three coats on top then 2 coats on sides.. Also finished coating alum transom bracket supports.. Once installed i can finish up the floor cause theses brackets bolt to the deck as well..
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