Anti fouling in the cold

actionoptics

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The boat gets craned in the weekend after next so I am running out of time to apply the anti fouling but the tin says apply in temperature no lower than 10*C and yesterday it was only just over 2*C. Someone else was painting his hull but will it work? I realise the paint will feel thicker but no matter what the weather, should I paint my hull next weekend or crane her in without a new coat and use the slipway later/warmer?
 

asj1

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I did one of my (shared) boats the week-end before last - probably 5 degrees. The tin was warmed up first in a bucket of water, it may have made a little difference. The antifoul dried off fine and I wa able to do 2 coats round the water line - I would be astonished if it didn't work fine.

The other one I intend to do next week-end - but I must say if it is as cold as this last week-end when the icicles didn't melt and tehre was ice on the bottom of the boat I may delay.

Regards
 

Stemar

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I don't know about antifoul, but some paints, and not just two pack ones, don't cure properly if it's too cold. It may "dry" OK, but if the resins haven't cured, it probably won't stick too well.

I'm waiting for a decent day to do a bit of painting too - but on the house /forums/images/graemlins/frown.gif
 

Roy

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Put my boat into the slings on thursday leaving her in the water overnight. 9 am Friday out and jetwashed (temp minus 5) onto the chocks by 10 and we did the drives rub down and props off. Next day, hull tinder dry (temp minus 4) but sunny and we did the a/f. The paint was thick but more goes on with the roller. If you over thin the paint you may need an extra coat?? Anyway, don't worry too much about temp', just clean the hull, dry by standing long enough and paint in dry conditions.
 

AIDY

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we did ours at xmas, it was about 3 degrees. we warmed the paint up in front of a fan heater before rolling it on. seemed to go on okay. we used internatinal micron.

have fun painting
 

alienzdive

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The top may dry but the bottom layers may not, then when it gets warmer the top hardens up even more and the bottom remains (almost) wet. Because the top has totally cured it will never allow the bottom to cure, thus raising the poossibility of the antifoul washing off in very short time. You will blame the manufacturer who will ask when it was done and will be able to acces accurate weather details of the time it was painted, then offer to retail you more paint.
 

William_H

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If it is convenient to A/F later on a low tide then that is far better because for sure there will be no weed growth until the water and weather warms up meaning the A/F will last longer then again if lasting is not an issue do it now.
regards will
 

actionoptics

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Thank you for all of your views. I think I will wait until the weather gets warmer and risk any disapproving comments as everyone sees my unpainted hull swings up and out on lift-in day. There should be at least one thing that goes wrong to give the crowd something better to talk about.
 

youngwrinkley

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There will hardly be any fouling growth until the weather and sea get warmer. If you are using eroding antifouling - it is a waste of money putting it on now. far better to wait until May or June, then do it.
 
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