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Go Back   SailNet Community > On Board > Gear & Maintenance > Wet Sanding
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Thread: Wet Sanding Reply to Thread
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Topic Review (Newest First)
01-03-2007 09:23 AM
j34035 My bad. I should have read the entire thread instead of only the last page. Anyway, it sounds like good advice and will try it on my J that has quite a bit of gelcoat oxidation. Thanks.
DD
01-02-2007 11:42 PM
dm567 Rich has indicated that a caustic soak can be accomplished by using a product called tuff-e-nuff.

Has anyone seen it sold anywhere lately? I've done numberous google searches with no results.

DM
01-02-2007 10:52 PM
camaraderie j34035...see the post from RichH n tis thread page 4.
01-02-2007 10:18 PM
j34035 Deep caustic soak? Please elaborate.
DD
01-02-2007 09:15 PM
yotphix On "megayachts" we generally have fairly high standards for paint. Most use Awlgrip (at least the six that I have worked on plus many others that friends work on) We generally expect it to last at least 5 years before repaint.(VERY high standards!) On my own boat I would expect double that.
Awlwash is a good, gentle soap and Awlcare is a polymer wax that really works to protect the paint from abrasive dusts.

Powerwashing seems like a bad idea to me although it may be ok at VERY low pressures like those provided by cheap electric washers. Get a soft scrub brush if you want your paint to last.

Light scratches can be buffed out with 3M Finesse it, deeper stuff with Perfect it, then finesse it, always followed with Awlcare.

Ditto SF regarding white paint. Especially if you are in the tropics.
01-02-2007 08:36 PM
sailingfool
14 years and counting

FWIW. my boat has a Imron job that has had 14 years of hard use, and is very presentable other than at nose-lenght. See the pic and decide. An Awlgrip job can last more than ten years easy, especially if its white and not abused - white not only hides initial paint flaws, it also hides years of dings and scratches. I'd say the references to ten years mean "at least ten years..." and twenty is just as likely (go with white...)
01-02-2007 08:16 PM
timangiel
Quote:
Originally Posted by 1970Columbia34
If you maintain Awlgrip as they suggest its a great finish that will last a very long time.

How do they suggest you maintain awlgrip? Can you powerwash it? I need to do something with my boat and I'm interested in awlgrip.
01-02-2007 07:52 PM
dm567
pictures

I used the paperclip and reduced the size of my pictures and they still don't upload from my hard drive.

dom
01-02-2007 07:21 PM
dm567 Thank God the deck is not tan. Just the topsides are tan. I can't believe somebody would order it tan.

I'd love to post a picture but the site won't accept my current picture because its too big. I have to find my photo program and save it at a lower resolution.

The condition of the gel coat really doesn't look that bad considering it was put into service back in 1984 or 1985. I may just try restoring it this first time before it goes in the water. Then I can decide what to do the next time it come out depending on how it comes out and how it wears for another year or so.

Cost does matter but its the long term cost that matters most to me. Its not that I don't have the money. The reason I do have the money is that I try not to squander it away. I might actually pay 12,000 for a "white" gel coat finish that will last another 20 years rather than repaint every 10 years with a two part poly for 8,000 each time.

dm
01-02-2007 07:03 PM
sailingfool
Re-gelcoat

Quote:
Originally Posted by dm567
Glad you joined in Wildcard. These Forums are part of what is good on the internet.

While this all started with the wet sanding requirement of my Yard, I'd love to know of someone or some yard that would actually attempt to spray another coat of gel coat on my boat. And yes, I know it would be very expensive; more expensive than the two part paints. And no, I wouldn't try it myself. And I know its probably not recommended, but if my gelcoat already lasted 20 years and isn't really that bad (just a little faded and not a great color) I'd pay a premium for a new gel coat finish.

Does anyone know of anybody?

Dominic
The only time I've heard of a boat being re-gelcoated was about 15 years ago as warantee repair, where cost did not matter. Generally speaking it involved first removing all the existing gelcoat to avoid creating too thick a finish which is the primary cause of spyder-cracking. Given all thread traffic about doing your own prep to save money, I'd say you'll need a new money tree.

If you really want to do your own paint prep, my advice is to buy an old Laser or other one-design, then prep and paint that. First, this will give you some experience, secondly you can see what a DIY job looks like. If you dive into prepping your own big boat, you are asking for trouble no matter the skill of whoever sprays it for you. If the end result isn't up to the quality and charachter you want for your yacht, you'll pay double for a professional prep job to correct your work becasue they'll need to remove everything you've done, before starting "their' work. Probably another 50% on top of a standard prep...

As to trying to restore a tan boat with a "caustic soak", forgettaboutit. Non-white boats are painted because nobody has successfully developed a lasting pigment for a marine environment. The best stuff, a couple of years and the pigment is dead, and any color restoration is temporary.

If you do your own job, I'd advise you paint the boat white as white hides any flaws better than color finishes. I don't know why builders made those tan boats, I'm sure you will find great pleasure from a painted finish. I gotta ask, is the deck tan also...
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