[C320-list] Bottom Job

[John Meyers]

This ought to be an easy question to answer.

How many gallons and/or quarts are needed to paint the bottom? It will be my
first time with this size boat.

Thanks

John
#406

On Wed, Feb 16, 2011 at 5:40 PM, Fred LEcuyer <fred.lecuyer at live.com> wrote:

>
> We owed a 1987 Catalina 30 prior to First Light. It was about 13 yrs old
> when we purchased it and had about 13 years worth of bottom paint in various
> spots and none in others. After two seasons of seeing more of it flake off
> in larger clumps, I decided to take it all off. I first used a chemical
> stripper which just didn't work out..... way too much paint had accumulated.
> I, therefore, donned my Tyvek suit, safety goggles and respirator and began
> the process of sanding it down. It wasn't long before I figured out it was
> pretty hard to figure out where the gelcoat would show up.  When I did it,
> the temperature was in the 90's (F) and my ability to crouch down, look up
> and sand just the right amount while not passing out from heat prostration,
> was severely taxed.  After the bottom was finally scraped, sanded and
> feathered, I put on Interlux 2000 as a barrier coat and two coats of bottom
> paint.... including a signal coat.  It was like a new boat to sail and I
> never again added paint where it didn't need it.  One good outcome from this
> exhausting process was that I found the skeg really needed to be
> re-secured... the crack around it had been hidden by so much paint.
>
> First Light, our used 320, came with a pretty clean bottom that I merely
> washed and scrubbed and patch painted where needed before putting it in last
> year. It came out of the water like new.
>
> So, I'll add to what you've already heard about not putting on too much
> paint. If you've already got way too much, the soda blasting job sounds like
> a great price..... and well worth it to avoid a truly exhausting job.
>
> Fred
> First Light #920
>
>
> > From: wupdike at hotmail.com
> > To: C320-List at Catalina320.com
> > Date: Wed, 16 Feb 2011 16:43:16 -0500
>  > Subject: Re: [C320-list] Bottom Job
> >
> > I second Johnm's point. After we bought # 63 in 2004, we removed most of
> the
> > old paint and had the yard do the waterline (there the paint is super
> hard,)
> > and sand the whole bottom. Then, I applied a "signal" coat of black and a
> > top coat of blue ablative paint. I use the WM CPP about $90 on sale in
> the
> > spring.
> > After that, I painted the whole bottom for a couple of years. Then, it
> > occurred to me that I wasn't ever seeing the signal coat, so why repaint
> the
> > whole thing. Now, I just repaint where it appears to be getting thin, the
> > usual areas are the bow fwd of the keel, leading edges of the keel and
> > rudder.
> > Each year when hauled and power washed, there are a number of places
> where
> > the paint just flakes off down to the barrier coat. I simply chip away to
> a
> > hard edge, sand to feather edges, wash with 202, reapply the black signal
> > coat, and top coat with blue. I also noticed that the previous year
> repairs
> > are holding firm. Why continue to pile on more paint if the old is still
> > there.
> > As to the flaking areas, I contacted Catalina who told me that in '93-'94
> > they were using a two part barrier coat but couldn't be sure on any
> specific
> > boat. The manufacturer sold that product line years ago. So, this year, I
> > may use a Pettit primer coat on the barrier coat.
> > Otherwise, I keep telling myself that it's just a boat, we don't race,
> and
> > I'd rather be sailing than sanding.
> >
> > Warren Updike
> >
> > -----Original Message-----
> > From: JJ Morrison [mailto:sail-ability at sympatico.ca]
> > Sent: Wednesday, February 16, 2011 10:29 AM
> > To: Catalina List
> > Subject: Re: [C320-list] Bottom Job
> >
> >
> > >From my point of view most of us put far too much anti fouling paint on
> the
> > boat bottoms! As long as there is at least one coat on the bottom the
> > biocide in the paint will work. I've seen folks who put a coat on every
> > spring which is just a waste and you wind up with an eighth(I've seen
> more)
> > of an inch of paint flaking off.
> > In places where I can see through the paint to the boat bottom I give a
> > very light sanding and paint ( I use Micron CSC which is ablative and
> > designed to wear away) that patch, doesn't look so good on the hard but
> once
> > in the water...
> > This is for cruising boats, racers like to have that silk smooth bottom
> > which is another story.
> > Cheers
> > JohnM
> > #574
> >
> >
> >
> > > From: kswanson123 at comcast.net
> > > Date: Tue, 15 Feb 2011 21:00:21 -0800
> > > To: C320-List at Catalina320.com
> > > Subject: Re: [C320-list] Bottom Job
> > >
> > > Bottom job is what you are doing every year.
> > >
> > > I wouldn't change a thing other than maybe apply really good bottom
> paint
> > and only haul the boat every other year or so.
> > >
> > >
> > > On Feb 15, 2011, at 7:33 PM, Tim wrote:
> > >
> > > > Ok, I am sure some of you will have some fun with this so go for it
> but
> > what I
> > > > need to understand is the following. I have heard the term "getting a
> > bottom
> > > > job" done on my boat. But I am not certain what this means. Every
> > season, I have
> > > > my boat hauled, power washed, sanded and painted. Now the sanding is
> not
> > to
> > > > remove all paint just to even things out a bit. Last few seasons, I
> have
> > done a
> > > > bit extra sanding on my own. There does appear to be a few coats of
> > paint built
> > > > up on the bottom. Like the rest of us every little bit of extra speed
> is
> >
> > > > wonderful. So.....is there something more I should do every few
> years,
> > should I
> > > > strip the bottom and only have one coat of paint. What is common
> > practice here
> > > > without depleting funds for rum and other necessities.
> > > >
> > > >
> > > >
> > >
> > > David Swanson
> > > kswanson123 at comcast.net
> > >
> > >
> > >
> >
> >
>
>