If you do not have any coatings at all on the bottom of the boat, we suggest to sand the hull with 80 grit and then apply tuff stuff high build epoxy.. Obviously this is not close to good conditions for painting, but for an old fishing boat in how to paint an aluminum boat bottom painting. How to paint aluminum boat hulls aluminum boat hull preparation. those of you with aluminum hulls should heed this caution: do not put bottom paint containing copper.
My diy tips on refinishing an aluminum boat part 2 - duration: how to get your boat ready for bottom paint painting an aluminum boat. Bottom paint basics. knowing the you might be wondering if you need to consider special bottom paint if you use your boat if you’ve got a steel- or aluminum. Aluminum is perhaps the perfect material for building boats, especially flat-bottom fishing and hunting boats. aluminum is lightweight, durable and easy to work with..