Edd -
I used Interlux 2000E on Stella Blue in 2011, and used 5-1/2 gallons.
It's the thickness, not the number of coats, so go ahead and use a
solvent-resistant roller and brush and lay it on thick. It has a pretty
long pot life, and if you mix up too much at any one time you can put
the can in a cooler with some ice and it'll still be good when you're
ready for the next coat. I think the minimum thickness is 10mil. How
the heck do you really measure that, though? I think I put three thick
coats on, with an extra coat on the rudder and wherever I felt
insecure. It's not a job I want to do again, so overkill isn't a bad
thing. Alternating colors is good, to ensure that you have good coverage.
I've used it for years to coat hull 'repairs' (i.e. the new glass around
new through-hulls and such) as well as primer on the lead when I
stripped the keel in 2006, without any failures to date. I don't know
what previous barrier coat was on the boat, but it lasted 20 years
without a blister. The yard bill was on the boat when I bought it, but
it didn't specify the paint used. However, I knew that yard and they
always used Interlux, except if the job was done during cold weather
when they used Pro-Line Low-Temp formula. I used the Pro-Line around my
keel stub when I rebedded my keel in November 2008, and it has held up
fine with no problems.
I've heard reports from 'blister prone' boats (non C&C) who have
reported problems once they sailed into warm tropical waters. However,
after three summers in Mexico with waters between 85F and 95F I haven't
seen a problem anywhere. After stripping the hull in 2011, I saw
evidence of previous blister repairs, which probably prompted the
previous barrier coat job in 1991. Hopefully the 2011 job will also
last 20 years.
Advantages of the Pro-Line Low Temp barrier coat:
1 it kicks off when it's too cold for Interlux to kick
2 it stays soft longer after it kicks, so you can sand and fair
imperfections quicker.
However, it's important to note that the yard always used 2000E when
ambient temps allowed.
Wal
Edd wrote:
1. I've heard Interprotect is a good product. Anyone have any recommendations?
How many gallons for a 37+'s hull?
2. How many coats should I put on? I like the idea of
alternating gray and white.
3. What is a good way to get it all on? What is the best
painting materials? Please note: I'm not looking for the ultimate super smooth
bottom. I'd rather not spend days wetsanding this hull.
--
s/v Stella Blue
www.wbryant.com
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