Removing antifouling paint

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Margie

What is the best easiest way for me to remove the antifouling paint?
 
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R.W.Landau

more info needed

Margie, There are many differant types of bottom paint. It would help to know what kind it is. If not, could you explain the what the paint is like,eg: it smears when you rub it. It is still solid paint but has lost all it's antifoul abilities. Also is it peeling off or worn off does the hull show through the paint and thin in many areas. A good discription of your paint would help with an effective answer. r.w.landau
 
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Tom Ehmke

No easy way, I'm sure we would all agree who

have done this. It is a dirty, hard, even dangerous job. I stripped the hull on our 272 this spring and used scrapers, chemical softeners, and an orbital sander. I eventually settled on the 2"scraper and grunted it out over a period of several weekends. Why? Because I'm not getting any younger and have no intention of doing it again. The grunt method is definitely low tech. Scrape and sand, scrape and sand. Clean with solvent. Reclean with solvent. Wash with water. Wash again with water. Sand again to insure a good bond, and PAINT. One of my reasons for doing what I did was to apply a barrier coat(6 coats)before I bottom-coated with three coats of black WM CCP and three coats of blue WM CCP. Why black then blue? It was pointed out to me that a black undercoat of ablative would show when the blue ablative had sloughed off. That would signal time to touch up or recoat. At haul-out this year, everything looked good. This means no bottom-painting next spring!! Hallelujah!! The safety part is very important. I used the throw-away masks and covered myself as best I could. In spite of this, I was continually nauseated by the dust from the scraped and sanded paint. My grandkids thought I looked like Papa Smurf because my face was blue from the outline of my ballcap to the collar of my shirt. My recommendation... get the best dust mask you can buy, wrap yourself up tightly, and take lots of breaks to clean yourself off. I did it the wrong way as far as safety goes, with minimal equipment and little common sense. Who knows what price I'll pay over the long run, but over the short run, being sick while trying to scrape a boat bottom 3' or more above me while lying on my back was no picnic. Others here may have happier stories to tell. I'm just glad it's done. Tom
 
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Ron Chandler

A lot of work, but worth it!

I just finished repainting the bottom of my Cat 30. Get a good DA Sander and plenty of sanding disks. I used 80 grit to get down to the gel coat and finished it off with 120. This gave the barrier coat a good "tooth". After the barrier coat I rolled on 4 coats of CRC Extra. I did not like the green color so I mixed a half gallon of black to two gallons of the green. It is almost a forest green color that matches the bootstripe and trim on the boat. Tom has a good suggestion to put on another color below to show wear. With a white barrier coat and forest green hull I can see the same results. Make sure you add another couple coats on the leading edges of the hull and keel "more wear areas". WEAR A RESPORATOR!! unless you don't want to go sailing anymore...
 
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Patrick Ewing

Try using gel type paint stripper

you can get it at the local paint store. If they have several kinds, test some on the keel and see how it works. Put down some old carpet before you start. You just use a paint roller to put it on and use a plastic scraper to scrape it off after about 15 minutes (test these things too before hand). Put the scrapped paint goo into an old can, let it dry out and then throw it away. What doesn't come off this way probably doesn't need to come off (unless you are doing something like a barrier coat). You probably don't need a tent or a lot of safety masks this way and that alone saves a lot of hassle. Sand lightly after stripping the old paint and then you can repaint. After you finish, throw out the old carpet, launch the boat and go sailing.
 
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Greg Ketley

A Cheap Stripper

Several years ago I needed to strip many layers of paint off my H-34. I used cheap stripper from Home Depot . I was carefull to wash it carefully when done so as to avoid long term contact with any bare fiberglass. It worked fine and was much cheaper than "Marine " products. Take your time and let the stripper do the work. ggk H-34 "Seabew"
 
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Peggie Hall/Head Mistress

Peel Away

Non-toxic bottom paint remover. Apply it like icing a cake, cover with their special paper...go away for 24 hours...scrape 99% of old bottom off with a kitchen spatula, hose the rest off. Top rated by Practical Sailor for at least 10 years. Available from WM, BOAT/US etc.
 
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