If you're not looking for the ultimate racing bottom, why not do a careful
scrape to get the loose stuff off and put something on top? Talk to the
paint manufacturers or West Marine - they have tables of what goes over
what. You can put something like Hydrocoat over just about anything and,
because it is ablative, it will mostly come off in a year or so and you can
continue (as long as you aren't getting big peels) as long as you want.
Baltoplate is very hard and smooth and doesn't have much copper or other
anti-fouling properties, that's why the racers use it, but they dive on the
boat every couple of weeks or more often.
A hand sanding just to put some 'bite' on what's there (after getting the
loose stuff off) should get you through the year. Use a sponge sanding
block, then roll on whatever you decide to use.
But, sooner or later you should have all the junk taken off and get down to
gelcoat and then put a barrier coat on - that will keep the boat from
absorbing moisture and possibly developing blisters. When I peeled mine, I
found that it already had a barrier coat (PO?) and that was good. I have
been using Hydrocoat ever since.
Gary
----- Original Message -----
From: "Brian Morrison" <brianm...@hotmail.com>
To: <cnc-list@cnc-list.com>
Sent: Tuesday, March 25, 2014 12:13 PM
Subject: Re: Stus-List Bottom Paint Question
That is the case somewhat Gary. In most areas it peeled down to the
gelcoat. If I could get away with one season of painting on top of what's
there without too many issues I would take that.
Brian
Dr. Brian C. Morrison
On Mar 25, 2014, at 9:58 AM, "Gary Nylander" <gnylan...@atlanticbb.net>
wrote:
I think the original note said there had been Baltoplate and then
something else on top - and the something else was what was peeling. My
impression is not many other paints (or anything else) stick to
Baltoplate, so it has to be roughed up and/or stripped off, which means
what is on top is the problem.
Unfortunately, this top coat will have to be taken off or you will end up
just patching it every year.
Gary
----- Original Message ----- From: "Jake Brodersen"
<captain_j...@cox.net>
To: <cnc-list@cnc-list.com>
Sent: Tuesday, March 25, 2014 5:59 AM
Subject: Re: Stus-List Bottom Paint Question
Brian,
My boat originally had Baltoplate. I successfully put VC Offshore over
the
top of it for a number of years without any adhesion problems. The
paints
are quite similar. Last year I had the boat soda blasted. I then did a
barrier coat and VC Offshore. The hull came out of the soda blasting
very
smooth. No way could I have ever sanded it clean and left a smooth
surface.
The only thing I needed to do was fill a couple of blisters and start
the
barrier coat. It's definitely the right way to go, if you plan on
keeping
the boat for the long haul.
Jake
Jake Brodersen
"Midnight Mistress"
C&C 35 Mk-III
Hampton Va
-----Original Message-----
From: CnC-List [mailto:cnc-list-boun...@cnc-list.com] On Behalf Of Brian
Morrison
Sent: Monday, March 24, 2014 9:19 PM
To: cnc-list@cnc-list.com
Subject: Stus-List Bottom Paint Question
The weather has finally broken here in lovely Baltimore and it's time to
paint the bottom. The staff at the boatyard told me that the previous
owner
had baltaplate paint and then painted over it with a different type of
paint. The paint is peeling in some areas and they suggest sanding down
to
the gelcoat and starting fresh. To do this will be costly or very time
and
labor intensive on my part. So my question is can I avoid the cost or
labor
using some other method I may not be aware of? I really hope there is a
viable alternative. Any advice would be greatly appreciated.
Brian C. Morrison
1979 C&C 34
Rekofa
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