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 Catalina/Capri 25/250 Sailor's Forums
 Catalina 25 Specific Forum
 Painting Bottom of Wing Keel		  New Topic  Topic Locked
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smp817
1st Mate

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USA
30 Posts
Initially Posted - 04/04/2005 :  10:41:12  Show Profile
I am repainting the bottom of my '89 WK for my first time. I have had the boat for three sailing seasons. The local boat dealer said that the previous paint was Pettit Hydrocoat and recommends going back with the same. I sail an inland lake. I have sanded most of the bottom, but have to still do the wing keel which has some bottom scrapes from bouncing along the shallow lake bottom a few times.
The boat is on my trailer, resting on the keel, so I can't tell what the condition of the bottom is until I raise it up. I would like to be prepared with all the materials that I need because the lake is 40 minutes away. What should I expect? If there are bad gouges what should I fill them with and do I need to prepare the surface with anything special prior to filling? If there is lead exposed do I need to prime it with something?
Steve
'89 TR/WK Mark IV Diesel
Love & Luck #5883
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aeckhart
Master Marine Consultant

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USA
1709 Posts
Response Posted - 04/04/2005 :  14:54:52  Show Profile  Visit aeckhart's Homepage
Steve,

A few years ago I had a problem with the wing keel "pealing" - the encapsuling material was flaking off. I cleanded the exposed metal with wire brush and filled in with fairing compound. After sanding and painting it looked good as new.

Having said that however, the bottom of the wing on my boat has never been painted and is still factory white.
Edited by - aeckhart on 04/05/2005 07:45:17
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Frank Hopper
Past Commodore

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Pitcairn Island
6776 Posts
Response Posted - 04/04/2005 :  15:06:24  Show Profile  Visit Frank Hopper's Homepage
I went to HomeDepot the other day and got a can of Bondo brand Fiberglass repair putty. I used it to fill some spots on my keel the. I was very impressed with how easy it was to work with. It was cheap and readily available, not common in boating supplies! I put Hydrocoat over the repairs and it painted very nicely.
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ronrryan
Admiral

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USA
561 Posts
Response Posted - 04/05/2005 :  21:06:00  Show Profile
Your keel, I believe, is lead. If bondo is used on cast iron, it bleeds (almost immediately). I am not sure what it does on lead. This is one of the reasons that we usually fair stuff with an epoxy slurry or mixture---not because epoxy is fun to deal with, fair winds, ron srsk Orion SW FL
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glivs
Admiral

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USA
836 Posts
Response Posted - 04/05/2005 :  21:18:52  Show Profile
Hi all. First time responding to the forum although I've followed it on and off for nearly a year. Kudo's to all those responsible for it's success.

My wife and I purchased our '89 wing keel last spring. A few years of projects lie ahead of us, but this season I also plan to strip what's left of the bottom paint down to the original gelcoat, fill the dings in the keel and then add new barrier paint and a good abalative bottom paint. Lot's of great advise from this forum but a key question. The C-25 manual recommends not sanding the gelcoat on boats '88 or newer and the use of "no-sand" bottom paints. The 5-year no-blister "warranty" is long by, so just how serious should we take the no sanding recommendation? Completely, i.e. use paint stripper only or is judicial sanding (wet/dry) tolerable? Or is sanding essential to ensure the barrier paint adheres to the bottom? Thanks...
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existentialsailor
Master Marine Consultant

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USA
1180 Posts
Response Posted - 04/05/2005 :  21:33:04  Show Profile
Frank,
I thought bondo was hygroscopic ?
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Frank Hopper
Past Commodore

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Pitcairn Island
6776 Posts
Response Posted - 04/05/2005 :  21:45:03  Show Profile  Visit Frank Hopper's Homepage
"Bondo brand Fiberglass repair putty"

It is epoxy slurry, note Bond Brand not Bondo. If it falls off i will let you know
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Notice: The advice given on this site is based upon individual or quoted experience, yours may differ.
The Officers, Staff and members of this site only provide information based upon the concept that anyone utilizing this information does so at their own risk and holds harmless all contributors to this site.