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TOPIC: Antifoul Recommendation

Antifoul Recommendation 15 Jun 2018 14:11 #99380

Paul,

I originally used International Coastal Red BQA 500 from build. Ist application lasted well for 5 years and repainted by roller - 3 coats in 2010.
Last year no longer made but was still in good condition with no mussels. Replaced by Interspeed 6400, also Red. I applied 2 coats by roller and don't intend touching it until next TRIWV in 2024. 20 ltr can covered 22m x 4.85m x 1.1m hull. Roller application was easy sat on a furniture trolley under the hull. Roller quite happy to sit in bucket of water overnight and product is naturally water repellent - a quick shake and good to go.
There is also Interspeed 6200, but that is a base coat not a top coat.
For primer on bare patches, I used Primocon and 2 coats by brush.

www.international-marine.com/product/interspeed-6400
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Colin Stone
KEI
www.luxe-motor.kei.co.uk

Antifoul Recommendation 15 Jun 2018 13:06 #99377

  • Paul Strawbridge
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I need some help, Chaps (& Chapesses).
I am about to have the exterior of my barge repainted in The Netherlands. Very happy.
However, the antifoul the company have chosen, and won’t seem to budge from, is something that (to me) doesn’t seem appropriate. They will only spray, not roller, so that limits option, of course.
The “Recommeded Use” is “As an economical antifouling for bottom and boottop on deep-sea operating vessels operating at medium to high speed and high activity with short idle periods, and with dry-docking interval of up to 36 months.” See attached.
I know the NL regs are stricter than most, but surely there must be an alternative, even if it is a softer self-polisher more appropriate for our speeds and layups? Perhaps not.
Can anyone shed any light of suggest alternatives? I’ve spoken to Hemple and International but they just refer my back to the painter.
Thanks!
Paul

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Antifoul Recommendation 10 Jun 2018 17:42 #99333

Just have a look; = TENCO >BOTTOM COAT black for under the waterline and/or TENCO >TOPCOAT BLACK, above the waterline .
according to me, thin enough to spray, but whether that is appropriate? ff watching or asking TENCO as mentioned earlier, available everywhere in the Netherlands and Belgium, also via the Internet.

I think it is very reasonable price it must stick to it for 5 years (2 layers) , hopefully longer ...

In Netherlands and Belgium the product is mutch used on barges, got a scratch, just go over with a bit you brush TOPCOAT
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I love water, but I don’t drink it..

www.samarsj.com

Antifoul Recommendation 10 Jun 2018 17:13 #99329

  • Paul Strawbridge
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Just to check, are you saying it lasts 5 years before you have to repaint, Steve?

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Antifoul Recommendation 10 Jun 2018 17:12 #99328

  • Paul Strawbridge
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Thanks, Steve. Sounds like it might be possible to spray it if it’s that thin. Do you have a trade name I can reference?

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Antifoul Recommendation 10 Jun 2018 17:08 #99325

I use bottom black, wel know in Holland

Paint like water... 2 layers
I use very long painter extendable brush handle

I do 5Y with it
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I love water, but I don’t drink it..

www.samarsj.com

Antifoul Recommendation 10 Jun 2018 09:56 #99320

  • Paul Strawbridge
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Thank you, Pete.
I’ve been a bit remiss on checking out what antifoul the painter plans to use; I’ve focused on the visible parts and other engineering jobs. I’ve emailed asking what he proposes and will come back, but I rather suspect it’s a hard antifoul, as used on yachts, but not sure. I’ll repost when I have the info.

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Antifoul Recommendation 10 Jun 2018 09:51 #99319

  • Peter Smith
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I posted a note re our slipping May 18. The guys used Sigma Vicote products, one coat of primer and two coats of No42. The 42 does not to my knowledge have any "anti foul additives" . All applied by roller and brush.
The shell and slime in southern Holland seems to come off with a bit of use, or a brief visit to brackish water.
The yard thinks the coating should last seven years, until the next survey.
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Antifoul Recommendation 10 Jun 2018 08:16 #99315

Hi Paul. Your post seems to have been met with a deafening silence so far ... I'm by no means an expert and others will know far more than I, so if only to keep your thread 'alive', my tuppence-ha'penny's worth is that till now I've had the bottom blacked (or done it myself - see separate thread mid-May "Bottom Blacking") every 3 years. This interval was recommended to me by Philippe Gerbais who runs Atelier Fluvial in St. Jean-de-Losne so who one might have thought to be happy to agree with my wish to have it re-done after just 2 years, but no, every 3 years was quite enough for those waters. Cruising characteristics in my case are similar to those you describe but limited to France, not NL.
BTW as said, I'm no expert but I'd be surprised if you could spray single component 'goudron', it's fairly viscous, so will be interested to see others's views on this.
Pete Clark
Nooit Gedacht
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Nooit Gedacht

Antifoul Recommendation 09 Jun 2018 10:04 #99285

  • Paul Strawbridge
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I am lifting our barge for the first time (other than initial survey) for a paint & anti-foul job. I could use some help/recommendations on the type of antifoul/number of (spray) coats etc. At the moment she has an unknown hard antifoul. Most time is spent in France and some in Netherlands (Friesland). Typically (I know this is difficult) how long would one expect antifoul to last with, say, something like 500km pa at low speed (8x10kph)? Plan is to jet wash, deal with any rust and then spray over existing, foresee any “issues”? Thanks! Paul.

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