[C320-list] Third H20 tank frame

bruceheyman at cox.net bruceheyman at cox.net
Thu Apr 3 18:23:45 PDT 2008


Chris,
Do you know what the new coating was?  Hull 671 has the same problem you describe.
Thanks,
Bruce
Somerset 671 SoCal
Sent via BlackBerry by AT&T

-----Original Message-----
From: "Chris Burti" <clburti at gmail.com>

Date: Thu, 3 Apr 2008 15:48:16 
To:C320-List at catalina320.com
Subject: Re: [C320-list] Third H20 tank frame


Well, at least on 867 it is gelcoat. I know that because mine didn't cure
and reattached itself to everything that stayed in contact with it for more
than a few hours until Frank Butler made the resin supplier remedy it with a
new coating.

On Thu, Apr 3, 2008 at 12:45 PM, Jeff Hare <catalina at thehares.com> wrote:

> They don't gelcoat the inside of the hull.
>
> It's bilge paint which goes on really thick to smooth off and protect the
> fiberglass inside the hull.  And you're right, it frequently doesn't cure
> all that well because it has a tendency to stick to anything in contact
> with
> it for long.  There was another thread on that sometime back.  But in my
> case, the area was well cured but still isn't a structural sound bond.
>  It's
> cosmetic/protective.
>
> -Jeff
>
> -----Original Message-----
> From: c320-list-bounces at lists.catalina320.com
>  [mailto:c320-list-bounces at lists.catalina320.com] On Behalf Of Chris Burti
> Sent: Thursday, April 03, 2008 12:31 PM
> To: C320-List at catalina320.com
> Subject: Re: [C320-list] Third H20 tank frame
>
> ummmm that ain't paint...it is actually some sort of gelcoat
> formulation...if it is cured it won't come off. That said...sanding is
> always a good idea.
>
> On Thu, Apr 3, 2008 at 10:26 AM, Jeff Hare <catalina at thehares.com> wrote:
>
> > Bob,
> >
> > The reason you need to remove the paint is because the paint doesn't
> have
> > a
> > good bond with the fiberglass underneath.
> >
> > In one instance, I epoxy'd a board to the hull.  That board broke free
> > after
> > a while.  The separation happened between the paint and the fiberglass,
> > not
> > between the epoxy and the paint.
> >
> > Given the weight of the water tank with sloshing water, I'd want to
> grind
> > off the paint first.
> >
> > If I were doing that, I'd use a good hardwood that won't rot like IPE
> and
> > will hold fasteners for life without having to be glassed in.
> >
> > -Jeff
> >
> > -----Original Message-----
> > From: c320-list-bounces at lists.catalina320.com
> > [mailto:c320-list-bounces at lists.catalina320.com] On Behalf Of Robert
> > Seastream
> > Sent: Thursday, April 03, 2008 7:55 AM
> > To: C320-List at Catalina320.com
> > Subject: [C320-list] Third H20 tank frame
> >
> > Bruce Stanley fiberglassed in his tank frame (the 2X2 lumber strips),
> > as 3M 5200 was unavailable to him.  He sanded the paint off the hull
> > interior to ensure a good 'glass set.
> > I'm using 5200.  Need I sand the paint off as he did, or just clean
> > and lightly sand the painted surface?  Also, may 2X4 strips be used
> > instead?
> >
> > Bob Seastream
> > Intuition # 906
> >
> >
>
>
> --
> Chris Burti
> Farmville, NC
>
>


-- 
Chris Burti
Farmville, NC


More information about the C320-list mailing list