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Thread: My first pull out. Reply to Thread
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  Topic Review (Newest First)
10-25-2008 08:34 AM
farmboy Good to know. Thanks, Dog.
10-25-2008 07:24 AM
sailingdog Farmboy-

Bottom paint will adhere to a barrier coating, even if the barrier coating has dried completely. However, if the barrier coating has dried completely, you do need to sand it very lightly to give it a bit of tooth for the paint to hold onto. By painting the bottom paint onto it when it is still a bit soft, you are just avoiding the need to sand it one more time.
10-25-2008 07:20 AM
farmboy Here's my bottom paint story. Hope it helps.

Bought a boat and didn't know what was on the bottom. I called the Interlux help line and they said to paint the bottom with Primicon because it will stick to anything and then apply bottom paint. I'm glad I didn't. Turned the boat had an old graphite bottom paint (KL990?) that is no longer available. I called Interlux back and told them what was on the bottom, and they still said Primicon would work. When I questioned that they did a little checking and found out that Primicon would not work. My boat is small, so we sanded the whole bottom to the gel coat. I'm really glad that we had to do this because now we know that the bottom of the hull is in good shape. So I would say get the soda blasting done. You'll appreciate the peace of mind.

We used the Awlgrip epoxy barrier coat followed by Pettit Horizons ablative bottom paint (in the states you can obviously use Awlgrip bottom paint, but its not licensed in Canada). Expensive, but really easy to work with. The key to the whole thing was getting a good bond between the barrier coat and the bottom paint. The first coat of bottom paint had to go on while the barrier coat was still tacky. Otherwise, we were told the bottom paint would not adhere. We were told that the perfect time to apply bottom paint was when we could leave a fingerprint in the barrier coat but no paint came off on said finger. For us on the the given day with the given weather painting in the shade, this was about 45 minutes.
10-24-2008 09:22 PM
camaraderie are better doing the cleanup this fall and the paint in the spring, just before you drop her back in. Did you have her hauled for your survey?
If not...I suggest you do the soda blasting routine to:
1. quickly get down to the gel coat to determine whether any blisters are present.
2. If #1 leaves you lucky...give it an epoxy barrier coating to protect it for the future followed by the bottom paint of your choice.
10-24-2008 06:58 PM
sailingfool After its all cleaned up, call the 800 number I gave you, play dumb, and they will help you figure out want paint is on there. One way or another, you want to apply an ablative paint - if you have something not compatible with an ablative, you need to remove all of it...I'm not sure there is anything such...or not.
10-24-2008 03:00 PM
How to tell what type of paint?

What a network! Thanks for all the responses. What seems most important is to see what type of paint is on there. I'm not in contact with the previous owner. How can I tell what type of paint is on her? And I'm guessing I want to stick to the same sort of paint? Hoping I don't have to go down to the gel-coat. There is paint and it is covered with about 1 1/2" of sealife at the water-line to as far down as I can see.
10-24-2008 02:32 PM
Matt Galo If your boat is near Baltimore, then you might not have too many barnacle problems. Otherwise the pressure washer is the first place to start.

What I've found helpful, if it's pretty clean in the first place, is using a drywall sander. Basically a long stick with a swivel head that holds the sanding medium. Which is like a gritty screen. Any hardware store will have them. Then you just wet sand either with a water hose or a bucket of water. The best part about it is no dust!
10-24-2008 02:18 PM
re haul out

Be prepared to feel ill and nauseous when the boat is in the slings and being moved out of the water--It is not just because you are new at this or the boat is new to you-- we all feel that way, every single time....

and it is not just the cost of the haul that casues the illness

welcome to the sailing fraternity
10-24-2008 01:37 PM
T34C First things first. This is your first HAUL OUT. A "pull out" is a completely different kettle of fish. Not sure when it was pulled or painted last... I assume this means there is bottom paint on the boat now. Do you know what kind? Do you know if the boat already had a barrier coat done by the previous owner? If you can't answer "yes" to both of the above questions, can you contact the PO and ask? I would recommend at least trying to get those answers before going further into this.

Pressure washing should take care of most of the growth. Check on costs of having the boat yard do it if the EPA issue is a problem in your area. (I'm guessing it is.)
10-24-2008 01:24 PM
sailingfool Have someone pressure wash it clean, rent a unit if you have to do the job yourself. (If you do it yourself, try to do it at night so the EPA doesn't catch you...). Take any barnacles off with a house paint scraper.

Sand with 80 grit to get a reasonably fair bottom of well attached paint.

Then finish final preparation according to the instructions of the bottom paint you intend to use. Figure out what paint is on the boat and ensure the new stuff is compatible. If you need specific help call Interlux help line and play the dummy and they will answer every question that you may have. - the website of International and Interlux paints
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