[C320-list] Peeling Bottom Paint

[pat reynolds]

if the wax applied to the mold to help release the hull was not removed as part of the commissioning, paint will have a problem sticking.  Get some solvent and wipe down the bare spots before repainting and see how they hold up.

--- On Tue, 5/25/10, Rick Evans <ericstillwellevans at gmail.com> wrote:

> From: Rick Evans <ericstillwellevans at gmail.com>
> Subject: Re: [C320-list] Peeling Bottom Paint
> To: C320-List at Catalina320.com
> Date: Tuesday, May 25, 2010, 9:21 AM
> I have 724 and I had the same problem
> a year after I bought my boat three years ago. 
> 
> Last year I suited up and scraped all the paint off with
> paint scrapers. I couldn't believe it came off like that but
> it did.
> 
> I then had VC ocean applied and then I wet sanded. This off
> season some section flaked off again. I have owned many
> boats and never seen paint flake off like this. it must have
> something to do with the barrier coat I don't know. 
> 
> This year I simply scraped the loose stuff off with a paint
> scraper and I think I am only going to have the yard paint
> the spots that peeled away. 
> 
> Rick
> 724
> Sent via BlackBerry from T-Mobile
> 
> -----Original Message-----
> From: "Charles Greenwell" <CGreenwell at sparusa.com>
> Date: Tue, 25 May 2010 09:20:47 
> To: <c320-list at lists.catalina320.com>
> Subject: Re: [C320-list] Peeling Bottom Paint
> 
> The bottom paint on my boat has been flaking off for years
> now and I've
> decided its time to bite the bullet and fix it.  It is
> obvious that the
> problem is due to the initial hull cleaning.  I have
> large chunks (4
> inch diameter) simply flaking off. It's a mess.  I
> have been using Petit
> SR ablative paint from day one and the hull has been
> painted 6 times in
> 10 years. The flaking started after the 3rd year and has
> progressively
> got worse.
> 
> I have looked into a number of options, Peel Away, sanding,
> and soda
> blasting.  
> 
> I watched a guy do his 40 footer with Peel Away. 
> After he used the
> product, he still needed to hire someone to do a bunch of
> sanding. It
> took him a couple of days to do the Peel Away, then a
> couple of more for
> sanding.  In the end, he had to put on a barrier coat
> because the
> sanding process roughed up the gel coat quite a bit and he
> was afraid
> that there would be problems done the road. He said that he
> would not do
> it this way again.
> 
> There are a couple of boats in the yard that are being
> sanded right now.
> I looked at the finished job and discussed having my boat
> done. Again, I
> was told that most likelihood a barrier coat would be
> needed after
> sanding.  These hulls were a little rough to the touch
> and I see why.
> 
> Finally, I found a guy soda blasting a boat.  It took
> him about 6 hours
> to do a 36 footer.  When he was done, the gel coat was
> still shinny and
> smooth to the touch.  There was a few spots that he
> had to sand, the
> keel joint, because he did not want to take a chance
> causing any damage.
> 
> The estimate for sanding the bottom is $75 foot plus
> materials.  This
> includes the labor for applying the barrier coat.
> 
> The estimate for soda blasting was $40 foot.  I most
> likely will not
> need a barrier coat with this process. This guy has a
> portfolio that
> spans over 400 boats, including many Catalina's for a
> dealer.
> 
> So, I am leaning towards the soda blasting.  Its less
> expensive and in
> the end I may not need to apply a barrier coat.  Its
> not that I am
> against putting one on, its just that it would be one more
> maintenance
> thing to worry about down the road. Not to mention the
> added cost.
> 
> Has anyone had their boat soda blasted?
> 
> What do I need to worry about if I apply a barrier coat
> since these
> hulls really do not need one? Will it affect the resale
> value?
> 
> Randy
> Le Bijou
> Hull 719
> Year 2000
>