How to protect an aluminum boat that stays in saltwater... - SailNet Community

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  #1  
Old 04-23-2007
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How to protect an aluminum boat that stays in saltwater...

Its not a sailboat, but i figure this is as good a place as any to ask. Ive got a small aluminum runabout thats going to be staying in saltwater alot. I want to find out how to protect it. I know it will need a zinc on it and bottompaint, but what to use? The boat is a 14' Starcraft V-hull. How much bottom paint would i need. I know a quart will do 2 coats on my 14' skiff, but this is wider. Most anything i do now will be removed this winter when i repaint the whole boat. Also, what can i do for the outboard?

Thanks for any help.


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Old 04-23-2007
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Umm.. you will probably need a tin-based anti-fouling paint and some very good zincs for this boat. Most copper-based antifouling paints will cause problems on an aluminum boat. The outboard will need to be painted, sterndrive lower unit antifouling paint should work well on it...and have the zincs replaced too.
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Old 04-23-2007
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Quote:
Originally Posted by SVDistantStar
I know it will need a zinc on it and bottompaint, but what to use?
Trilux 33 is your best bet for an anti fouling for an aluminum hull:

Product Description
Trilux® 33 a new tin-free antifouling formulated to provide safe, effective protection for aluminum boats, outdrives & outboards, or where a bright color or bright white is required. It is based on the latest Biolux® Technology, for improved control of slime and algae growth. It replaces Trilux® and Micron 33.

Trilux® 33 is for use below the waterline on underwater boat hulls and parts in fresh, salt and brackish water and can be brush or roller applied. Spray application is recommended only for Professional Applicators that have all of the proper safety equipment including a full-face shield.

KEY FEATURES AND BENEFITS
  • Specially formulated to be the safest & most effective product for use on aluminum boats, outdrives and outboards. It can also be applied to fiberglass, wood and other underwater metals.
  • Highly effective antifouling protection from a new, improved version of Biolux® technology.
  • Slow polishing system makes it suitable for fast, active craft as polish-through at high speeds is avoided.
  • Available in bright white, and a range of bright colors with long lasting color stability.

yachtpaint.com - the official site of International and Interlux paints
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Old 04-23-2007
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Ill have to put a zinc on the outboard, as it doesnt have any on it now. I guess west marine or boaters world would carry the right bottom paint?
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