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Maxprop August 3rd 06 05:22 AM

Bottom Paint
 

"Dave" wrote in message
...
On Tue, 01 Aug 2006 16:25:52 GMT, "Maxprop"
wrote:

I like
the ablatives because they don't lose effectiveness out of water and they
don't build up.


Just to refine that a little: If you can believe the manufacturers'
propaganda the older ablative paints are good for just one season
unless you go over them with something like a scotch pad to remove
oxidation before you drop them in, whereas the newer copolymer
ablatives are true multiseason--just drop the boat in so long as
there's still paint on the bottom. My experience tends to bear out the
first part of that statement. Haven't had the copolymer ablative on
before this season, however, so I can't address the second part.


I've never used the older-type ablatives of which you speak, rather only the
copolymer paints. On my current boat I started with two coats of red
Interlux Micron CSC followed by two more coats of blue. As the blue
ablates, the red begins to show up. When the red is apparent in over 50% of
the surface area, I recoat with two coats of blue. This is generally a
two-year cycle, and I suspect it could be stretched to three if an extra
coat of blue were used.

Max



Maxprop August 3rd 06 05:27 AM

Bottom Paint
 

"Dave" wrote in message
...
On Wed, 2 Aug 2006 22:19:34 +0100, daojones
said:

Further they said as long as I was applying an Ablative paint, painting
weeks before launch was no problem. They felt timing was an issue when
applying "hard" bottom paint only.


If the higher end copolymer ablatives live up to their advance billing
that
should clearly be the case, since you're supposed to be able to haul for
the
winter and splash the boat in the spring without doing anything to the
bottom.


As pointed out in a previous response, this is true. I only paint every two
years currently, based on my two-coat program over a base of a different
color for ablation monitoring.

Max




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