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Old 11-11-2009
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Bottom Paint for Trailer Sailor?

Hi everyone,

I recently bought a Catalina 22 which is in winter storage right now. It's been trailer sailed for the last 18 years and hasn't had any new bottom paint. Currently the bottom has streaks of old red paint on it that comes off if you rub it (along with the gelcoat maybe, the boat is a 1975). Next year I am going to use it for daysailing, the occasional overnighter, with a few trips extending 3-7 days. I want to paint it myself (i've read up on jacking it up on the trailer safely, etc.). My question is, whats the cheapest way to protect the hull of the boat so I can use it for years to come?

Should I use a coat of antifouling? Or would a barrier coat be better? I've been scanning the interlux products, I just can't decide whats best for this application.

I appreciate all opinions and thoughts, thanks!
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Old 11-11-2009
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It'll depend on how long you'll leave the boat in the water. If its just for a weekend, you don't need paint at all. If it's a week, I'd suggest something like a hard paint. If it'll be left in the water for a month or more, then look into ablative paint. If the boat will be hauled out after every use (like a week long cruise) then you shouldn't have to worry about a barrier coat, although it does add a little extra protection.
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Old 11-11-2009
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hello, wyatt as i said before i would just paint it with west epoxy or any other epoxy just for the protection of the old gel coat. for what and where you are right now i dont think you need anti fowling paint. giving it a nice seal with epoxy will let you clean it easier with out harming the old gelcoat. the epoxy wont let critters grab the porous gelcoat

what have you done to the boat sense we looked at it?
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Hey Scott,

This weekend (most likely) my wife and I are going up to scrub and clean the willy out of it. Then I plan on taking the mast down, putting it on the boom crutch, and covering it tent style with the tarp and lots of bungies.

Paint is for next year
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Old 11-11-2009
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There's nothing wrong with an epoxy coat for protection but if the boat will live on a trailer the epoxy needs protection itself from uv. Maybe a hard finish bottom paint?
Brian
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Old 11-12-2009
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Quote:
Originally Posted by bulboushead View Post
Hi everyone,

I want to paint it myself (i've read up on jacking it up on the trailer safely, etc.). My question is, whats the cheapest way to protect the hull of the boat so I can use it for years to come?
Should I use a coat of antifouling? Or would a barrier coat be better? I've been scanning the interlux products, I just can't decide whats best for this application.

I appreciate all opinions and thoughts, thanks!
If you want to use it for years to come there is no cheap way to do it, only the right way to do it.
I trailer sailed for years and always left the boat in the water for the summer so that I would use it more. I can tell you from personal experience that cleaning the bottom off every 4-6 weeks is a big ugly dirty job. I finally bit the dust and did the full epoxy barrier and antifouling last spring, took me a couple weeks but it is done now and I am relieved. I leave it in the slip now and bring it home only for maintenance and mods.
I used ablative antifouling so that I can leave it on the hard in my driveway for a month or two while I work on it. I also applied the full epoxy barrier coat system so that I could leave it in the water for extended periods. If you plan to keep the boat and get years of use from it, invest the time, money and work and do a good job that you can be proud of. Also if you are keeping the boat for years to come invest some $$ and elbow grease and really fix it up so that you are a proud owner. In return it will give you years of enjoyment.
The bottom paint is imperative if you wish to keep it in the water for a summer, it only takes a few weeks for growth to cover it, and hours of sweat to get it off.
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Old 11-13-2009
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What isn't clear is will the boat be in or out of the water when not in use. If kept on the trailer, then anti-fouling paint isn't needed. If in the water at a slip or on a mooring, then you do. For a 30+ year old boat if you see no sign of blisters, a barrier coat is probably not necessary.
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Old 11-13-2009
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I forgot to mentiona that, the boat will be kept on a trailer and daysailed/overnighted mostly. There may be a few longer trips during the year, not extending over a week.

I am thinking interlux epoxycop will be fine, or if I am feeling luxurious Interlux VC Performance Epoxy. I don't think I will need the teflon difference though :P.
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Old 11-13-2009
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Your best bet is clean and dewax the hull, then sand it.
You want to dewax before sanding otherwise the wax gets pushed into the gel and the epoxy won't adhere properly.

You really don't need to paint at all based on how you will be using it. If you feel the need anyway then by all means it needs to be a hard paint that will last up to a) being dried out, and b) the rolling on and off the trailer.
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Old 11-13-2009
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If you're never going to leave it in the water more than a week- why not just leave the hull alone? Just hose it down with freshwater each time you load it on the trailer, and I think you'll be fine.

I decided to go this route with my '74 C22. There doesn't seem to be any good reason to do any kind of painting or bottom coating on a trailer sailor. Blistering is a non-issue- it rarely happens on C22s even if they're permanently moored and neglected, and never on a boat that is stored out of the water most of the time. Bottom growth is also a non issue since you're not planning to keep it in the water long enough for anything to grow. I think any work done on the bottom would be a waste of time and money without benefit.
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