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Old 22-05-2019, 16:06   #1
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I know, I know, old story about antifoul...

Yep, been going down rabbit holes all over the internet, looking for information and antifouling. I have sanded and sanded the bottom of my Pawtucket 35 till I had all 8 or so layers of antifoul and old barrier coat off. Found quite a few large blisteres that were ground out and filled with glass, epoxy and fairing compound, before finishing with Nautical Paints epoxy primer & undercoat (similar to International Interprotect) as a barrier coat.
Now it's time to think about the antifouling for this project and I was just thinking of going with International Awlcraft, but unfortunately this is not available at present. Was offered International "Micron Extra 2" for not much more, but don't know much about it. They didn't offer the "Micron 66" at a good price, or I would have jumped at it. Anyway, does anyone have any experience with the "Micron Extra 2" or how comparable it is to the "Awlcraft" paint?
I have heard good things about the PPG's "ABC3", but don't know who stocks it in Victoria (Oz), any ideas?

Summery:
Micron Extra 2 better than Awlcraft?
PPG ABC3 stockists in Vic?
Boat lives on east coast of Oz.

Any other suggestions?
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Old 23-05-2019, 21:05   #2
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Re: I know, I know, old story about antifoul...

I did find the ABC3 in Victoria, direct from the company headquarters in Clayton. I am wondering now how this anifoul would work in conjunction with the "Interprotect" barrier tie-coat? Has anyone had any experience with this? PPG of course can only recommend their own primer systems.
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Old 23-05-2019, 21:22   #3
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Re: I know, I know, old story about antifoul...

As long as you use Primocon after the Interprotect I am certain you could apply any antifoul you wanted. Altex No.5 seems to be the favourite here in Hervey bay.
I used to just wait until the interprotect was dry but but still soft enough that my finger nail left a mark and then rolled a coat of antifoul on. Got a good chemical bond and it seemed to stay adhered.

Now I still do the same except for applying the antifoul I apply Primocon. Its nice to have an extra paint coating and any antifoul I have used sticks so well to Primocon.
https://international-yachtpaint.com...imers/primocon


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Old 23-05-2019, 23:11   #4
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Re: I know, I know, old story about antifoul...

I've had a couple of seasons on the east coast of Aus. I've used Carboline 3000 Sea barrier since NZ. Have found it to be one of the best bottom paints I've ever used. My understanding is that it is the same as Altex #5, just sold cheaper to a commercial market.
As with all things bottom paint, YMMV.
(just in case that doesn't translate into Aussie jargon: Your Mileage May Vary)
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Old 24-05-2019, 09:26   #5
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Re: I know, I know, old story about antifoul...

For two years I used two coats of Micron Extra 2 on my Westerly Storm 33 in the UK. It worked ok. There was some scum on the hull when she came out of the water but no serious weed growth (unlike the prop and prop shaft which were like a seaweed forest). But the Micron 2 was quite expensive. Over 200 GBP for 5 litres if I recall correctly.

This year I have switched to a make that cost about half the price (I cannot now remember what make, sorry) and will monitor the difference when she comes out of the water at the end of October.

For next year I've already decided to switch to a small-brand anti-foul called EU-45 which has 45% copper content and is very reasonably priced.

Hope this helps.
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Old 24-05-2019, 11:21   #6
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Re: I know, I know, old story about antifoul...

Use recommendation provided by those which are in similar water conditions. In Texas with boat in warm brackish water year round. I get 4 years before any appreciable growth using Petit Trinidad SR.
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Old 24-05-2019, 12:52   #7
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Re: I know, I know, old story about antifoul...

Here in Fiji i used the original micron extra for years with good results, lasting almost 2 years. last haulout only extra 2 was available, i used that and found the consistency of the paint much thinner than previous extra i had used. i applied it in the exact same way as i did in previous haulouts. this stuff only lasted about 9 months before it completely failed. i'm talking about a carpet of mossy growth 3/4" thick and millions of small barnacles. the boat ws moored in the exact same place as always. i confronted the international rep at one of the local trade shows and he finally admitted they had changed the formula and were now supposed to come out with a tropical version(which i have yet to see). long story short i wouldn't waste my money on extra 2. can't say about micron 66 as i couldn't afford it.
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Old 24-05-2019, 14:51   #8
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Re: I know, I know, old story about antifoul...

I put Micron extra 2 on at christmas, wasnt cheap, paid the extra as I thought it would be good, but got a lot of barnacles and growth now, will be going with Carboline next time
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Old 24-05-2019, 17:57   #9
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Re: I know, I know, old story about antifoul...

Quote:
Originally Posted by KadeyKrogen38 View Post
Use recommendation provided by those which are in similar water conditions.

Second this. Anti-foul requirments are very different according to location. Water temp, light levels, water clarrity and farm run off are all significant variables.
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Old 24-05-2019, 21:54   #10
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Re: I know, I know, old story about antifoul...

Hi There

Carbogard..Its the same paint as Altex, but cheaper as it is for the shipping industry
I use a hard anti foul and keep it clean with a little swimming..
Their reps do a fantastic job to ensure you get the application correct... which is arguably more important than the brand of paint you choose..
You are applying a paint system....not just doing a little bit of paint
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Old 25-05-2019, 03:42   #11
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Re: I know, I know, old story about antifoul...

Hi and thanks for all the good info here. I haven't fully made up my mind, but I am leaning towards the PPG ABC3 with an epoxy tie-coat. Will report back when I know more. Till then, any further information would be very much appreciated.
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Old 25-05-2019, 12:39   #12
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Re: I know, I know, old story about antifoul...

I agree with KadeyKrogen38, and would recommend Pettit Trinidad SR for a hard bottom paint. I used Trinidad for years before switching to an ablative multi-season paint to save money. Contrary to complaints you hear about build-up of hard bottom paints, I never experienced any paint build up with Trinidad. If you properly prepare the surface, pressure wash and lightly sand before each application there is no problem. I suspect the failure of owners' (or boatyards) to properly prepare surface is primary reason for paint build-up using hard bottom paint. Bottom line, if you do not mind the expense you cannot beat Pettit's Trididad SR.
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Old 26-05-2019, 05:53   #13
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Re: I know, I know, old story about antifoul...

This is, for sure, what you want:


International Intergard Basic 263 Grey

International Intersmooth 7465HS SPC Red


This is iindustrial stuff!!
Expensive but you should expect 6+ years (usually 10 years)
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