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Author Topic:   Bottom Paint
jkimball posted 07-27-2000 11:47 AM ET (US)   Profile for jkimball   Send Email to jkimball  
I just bought a 1988 20' Outrage and intend to keep it in a saltwater slip. The bottom was painted circa 1990 and the boat has been trailer stored since 1994. The bottom paint seems to cover the entire bottom, though it is a little worn (pale in color).
(1) How do I know if the bottom should be repainted?
(2) If it is to be repainted, does the old bottom paint need to be removed first? If so, how?
(3) What is the best type/brand of paint to use?
Thanks, love the site.
bigz posted 07-27-2000 12:22 PM ET (US)     Profile for bigz    
Welcome to the forum --- jkimball

Depending on what was used in '90 it probably has lost it's effectiveness. It probably was Interlux BottomKote --- just a guess if is light blue and when scrubbed comes off on the sponge or brush!

If the paint is in good shape, just scrub it down with a hull cleaner (West Marine) rinse well -- let dry and roll on two coats of either BottomKote or BottomKote Act these are inexpensive but be warned only good for one year --- you'll have to re-coat just before launch if your in an area where you haul out for the winter. Even if you don't haul out for seasonal change --- you will have to after about a year to re-coat with either of the above (note std. BottomKote after painting has to be launched in 48 hours and ACT can be done as far ahead as 60 days before launch)

Another alternative if you don't want the annual maintenance is look into some of the ablative paints like Micron which will last a couple of years depending on how many initial coats you apply --- can be hauled and launched without loss of effectiveness --- It is recommended 3 coats min. and use a different color for the first coat so when that starts to appear you know time to re-coat.

We are using BottomKote on our 27 -- next season though will strip it off and go with an ablative coating ---


lhg posted 07-28-2000 02:46 PM ET (US)     Profile for lhg    
The West Marine catalog has a good article on bottom painting, covering different types of products available & application techniques.
jkimball posted 07-28-2000 03:17 PM ET (US)     Profile for jkimball  Send Email to jkimball     
Thanks for the replies. The West Marine info is available online at the following URL:
I've decided to play it safe and paint the bottom and I'm leaning toward an ablative paint in case I haul the boat for the winter. I'll let you know how it turns out. Thanks again.
Peter posted 07-31-2000 08:19 PM ET (US)     Profile for Peter  Send Email to Peter     

I have been using Micron CRC which is an ablative paint for five years now on a 18' Outrage. Only once every three years or so do I give the bottom a sanding and paint the whole thing. Normally, I just touch up where needed on the bottom and paint along the water line. With the ablatives, be careful about cleaning the bottom when it is in the water. Too much scrubbing and you will wipe the ablative paint right off. I usually use a sponge and gently wipe the marine growth off trying not to take too much paint off.

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