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bottom paint?

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mdidomenico
1st Mate

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71 Posts

Initially Posted - 05/17/2014 : 15:47:37

I recently purchased my 1995 250WB. It's been on the hard for a number of years before i got it. I hadn't planned on painting the bottom this season, as I'd planned on stripping the whole bottom up to the gunwale's down the gel coat when i haul out for the winter.

however, the marina where i'm at (barnegat, nj) said the barnacles are pretty bad. i'd likely be attacked and covered by mid-july. and that the paint i have doesn't last out of the water (no idea what is there or how many coats there are). they advise painting.

so the question is what's the minimum painting effort i can do myself to save some money, knowing it's absolutely going to get stripped off next year? also how much paint would i likely need?

thanks

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Davy J
Master Marine Consultant

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USA
1511 Posts

Response Posted - 05/17/2014 : 16:09:37

I'm not sure about your area, but what has worked for me, in Florida, is to hire a diver to clean the bottom of the boat once a month. He scrapes off the barnacles and removes the algae and slime. It costs about $50.00 a month, but could possibly get you through this season without having to paint the bottom at all.

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Steve Milby
Past Commodore

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USA
5902 Posts

Response Posted - 05/17/2014 : 16:23:48

Regardless of whether your old antifouling paint is a hard finish type, or an ablative, you can apply an ablative over either type. I would suggest you apply one coat of ablative paint. That's enough to protect it for this season.

You should decide now what your painting regimen is going to be after you strip the bottom. If you're going to paint it once a year in the spring, as I do, then you should start by applying one coat of blue (for example) and one coat of red ablative. Making your first coat a different color from your final coat will give you a visual indicator when your paint is getting thin. One coat of ablative will do a good job for one season.

If you're going to leave it in the water over the winter, and rely on the same antifouling paint for two seasons, then I would suggest you use a hard finish antifouling paint, and one or two coats would probably be appropriate, depending on how often and how vigorously you scrub the bottom.

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mdidomenico
1st Mate

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71 Posts

Response Posted - 05/17/2014 : 20:35:13

Thanks, yes for next year i plan to do two coats of alternating colors (i've heard that mentioned before).

I think i'm going to pick up this, seemed like a good choice not the cheapest junk on the market, but not expensive either.

http://www.defender.com/product.jsp?path=-1|2200442|2200447|2200448&id=736851

Seems like a gallon should cover, and if i include the rollers, pans, etc, the cost should be minimal expense for the season.

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Stinkpotter
Master Marine Consultant

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Djibouti
9080 Posts

Response Posted - 05/18/2014 : 12:53:20

I agree with Steve--an ablative should be compatible on whatever you have--hard or ablative. If it's all coming off next year, go cheap. But when you start over next year, I'll suggest an ablative with an anti-slime additive--Pettit with Irgarol (sp?) and Interlux with Biolux, options in several of their paints. It's worked well for me.

You should be able to cover the whole hull a gallon hand have about a quart left over. Gallons are still cheaper, even if you pitch the leftover.

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mdidomenico
1st Mate

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71 Posts

Response Posted - 05/18/2014 : 16:20:31

Thanks for the advise. One other question, is there anything else I need to do before I put the paint on? Do I need to sand/scrap or can I just roller it on and be done.

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Steve Milby
Past Commodore

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USA
5902 Posts

Response Posted - 05/18/2014 : 17:53:27

<blockquote id="quote">quote:<hr height="1" noshade id="quote">Originally posted by mdidomenico
 Thanks for the advise. One other question, is there anything else I need to do before I put the paint on? Do I need to sand/scrap or can I just roller it on and be done.
<hr height="1" noshade id="quote"></blockquote id="quote">Sand as needed. If the bottom is rough, sanding will improve the boat's performance. Whether you sand or not, always wash the bottom with fresh water and a sponge, before painting, to get the dust and dirt off it. Don't paint over dirt.

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