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  #41  
Old 01-09-2013
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Re: Bottom paint: Micron Extra/CSC, Pettit Ultima SR-40/SR-60

UPDATE

I went with the Petit Ultima SR-60. Since then, my boat has been in the water for 1-1/4 years, and the bottom still looks newly painted! I have had a little bit of green slim and have gently wiped down the bottom two times over the last year.

In an area where barnacles and oysters are a big problem, I have no, zero, zilch problems from to these critters. I am hoping to go three years before hauling out again. So far so good.


Quote:
Originally Posted by dreuge View Post
I am looking to repaint the bottom of my sailboat. It is going on three years since it was done by the previous owner. The paint currently is/was an ablative paint.

I sail in the gulf along the FL panhandle, and I am planning on going with another ablative paint. Barnacles are problem here. So far I have narrowed my choices down to 4 paints. I was originally planing on going with an Interlux, but I recently came across the Pettit Ultima paints which currently have rebate offers ($10-$20/gal off).

I would greatly appreciate any input on the 4 paints listed below. I am leaning towards the SR-60 or the Micron Extra(SR-60 with rebate is $40 less per gallon). For a C&C 29 mk1, I expect I'll need two gallons. Has anyone had good success with the SR-60? I searched the Sailnet forums on SR-60 and found no hits, so I guess it is rather new product.

[1] Pettit Unltima SR-60
[2] Interlux Micron Extra
[3] Pettit Unltima SR-40
[4] Interlux Micron CSC
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Last edited by dreuge; 01-09-2013 at 11:27 AM.
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  #42  
Old 01-09-2013
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Re: Bottom paint: Micron Extra/CSC, Pettit Ultima SR-40/SR-60

Quote:
Originally Posted by chef2sail View Post
I would agree with the TrinidAd SR if I was to go "hard"
That just doesnt read well
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  #43  
Old 01-09-2013
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Re: Bottom paint: Micron Extra/CSC, Pettit Ultima SR-40/SR-60

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Originally Posted by T37Chef View Post
That just doesnt read well
Its how old guys speak
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  #44  
Old 01-09-2013
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Re: Bottom paint: Micron Extra/CSC, Pettit Ultima SR-40/SR-60

Quote:
Originally Posted by dreuge View Post
UPDATE

I went with the Petit Ultima SR-60. Since then, my boat has been in the water for 1-1/4 years, and the bottom still looks newly painted! I have had a little bit of green slim and have gently wiped down the bottom two times over the last year.

In an area where barnacles and oysters are a big problem, I have no, zero, zilch problems from to these critters. I am hoping to go three years before hauling out again. So far so good.
We have been using the Petit Ultima SR in the south Tampa Bay area for quite some time and have found that even after 2-1/2 years, the paint remains very effective. FWIW we have the bottom wiped down once a month or so by our diver.
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  #45  
Old 01-09-2013
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Re: Bottom paint: Micron Extra/CSC, Pettit Ultima SR-40/SR-60

Rick,

We use Ultima 60 in an environment which has salinity and fresh water also. Since you are on the Delaware is there no salt water where you are? Hard to beleive in the summer when the salt line comes up the Delaware it doesnt reach Essington. So its entirely fresh water where you are? I would have though you had some salt content to it.

Dave
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  #46  
Old 01-09-2013
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Re: Bottom paint: Micron Extra/CSC, Pettit Ultima SR-40/SR-60

Quote:
Originally Posted by chef2sail View Post
Its how old guys speak
As you get older, hard bottom paint is as exciting as it gets.
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  #47  
Old 01-09-2013
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Re: Bottom paint: Micron Extra/CSC, Pettit Ultima SR-40/SR-60

Bawahahahahaha
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  #48  
Old 04-23-2013
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Re: Bottom paint: Micron Extra/CSC, Pettit Ultima SR-40/SR-60

Has anyone applied Pettit Ultima SR-60 hot-coated over Interprotect 2000? I had my bottom peeled and a new vinylester layup applied. My fiberglass guy is recommending Interprotect and I want to use the Pettit Ultima SR-60 over that. Interlux says that hot coating (thumb print test) with Ultima SR-60 is ok. Here's the thing: the instructions for Pettit's version of epoxy barrier coat has instruction for hot coating with bottom paint that sound similar to Interlux's, except for the SR-60. For SR-60, the barrier coat should be set up to "Tack free". SR-60 uses a different solvent than SR-40 and the other paints, so I'm wondering if that is why the difference. Anyway, I know at least someone had put SR-40 over Interprotect, I was wondering if anyone has had success or problems with hotcoating Interprotect with the SR-60.
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  #49  
Old 04-23-2013
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Re: Bottom paint: Micron Extra/CSC, Pettit Ultima SR-40/SR-60

Salty,

I used 2 coats of SR-60 over 2000e last month and "hot coated" the first coat of SR-60. I didn't have any issues. The boat's back in the water now though, so if any long-term issues come up, I won't know for a while.

I'd be curious to check out the literature you were looking at if you have a link? I found Pettit's TB-Z155 Bottom Painting Bare Fiberglass technical bulletin advised applying SR-60 to their 6999 Sandless Primer tack-free. But as far as I can tell, the 6999 is not an epoxy product. Their 4700/4701 looks to be a 2-part epoxy barrier coat more similar to the 2000e. I couldn't find any info specific to SR-60 over the 4700/4701.
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  #50  
Old 04-23-2013
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Re: Bottom paint: Micron Extra/CSC, Pettit Ultima SR-40/SR-60

Quote:
Originally Posted by SaltyHog View Post
Has anyone applied Pettit Ultima SR-60 hot-coated over Interprotect 2000? I had my bottom peeled and a new vinylester layup applied. My fiberglass guy is recommending Interprotect and I want to use the Pettit Ultima SR-60 over that. Interlux says that hot coating (thumb print test) with Ultima SR-60 is ok. Here's the thing: the instructions for Pettit's version of epoxy barrier coat has instruction for hot coating with bottom paint that sound similar to Interlux's, except for the SR-60. For SR-60, the barrier coat should be set up to "Tack free". SR-60 uses a different solvent than SR-40 and the other paints, so I'm wondering if that is why the difference. Anyway, I know at least someone had put SR-40 over Interprotect, I was wondering if anyone has had success or problems with hotcoating Interprotect with the SR-60.
I used Horizons as the "hot coat" layer at the advice of Pettit. Horizons is the same base co-polymer paint without the slime blocker and a little less copper (equal to Ultima SR40). They suggested the non-slime blocker as the hot coat/tracer then you can switch to Ultima SR. This went over IP2KE 6 years ago and there are zero adhesion or build up issues. Steve Miller our local rep up here has recently told me that hot coating with either SR40 or SR60 is not a problem at least with their barrier coat. He would not comment on IP2KE which is what I used.

Keep in mind that as copper content goes up, and slime blockers get added, coverage per gallon goes down slightly. SR60 covers about 400 sq ft. and Horizons covers about 500 sq ft., SR 40 about 450 sq ft. SR60 has a different solvent than SR40..

Just finished applying SR60 and it is tough to cover my hull with 1 gal but I can easily do it with SR40. SR40 is the exact same paint as West Marine PCA GOLD...
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Last edited by Maine Sail; 04-23-2013 at 02:16 PM.
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