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Old 29 October 2009, 17:33   #1
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removing antifoul

hi all eny one know how to get paint or whatever it is under the antifoul off with. removed antifoul no problem but this stuff underneath seems to be a problem if eny one can help : thanks paul
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Old 29 October 2009, 17:37   #2
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hi all eny one know how to get paint or whatever it is under the antifoul off with. removed antifoul no problem but this stuff underneath seems to be a problem if eny one can help : thanks paul
Paul, it's A/foul primer. It's a bitch and from memory, the hull is keyed under that. Wet and dry and then machine buffing are the only thing that I can think of.

Did you manage to sort the loom mishap?
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Old 29 October 2009, 17:40   #3
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anti foul

acetone normally removes but be careful
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Old 29 October 2009, 17:58   #4
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loom

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Paul, it's A/foul primer. It's a bitch and from memory, the hull is keyed under that. Wet and dry and then machine buffing are the only thing that I can think of.

Did you manage to sort the loom mishap?
yes mate all done now done it my self in the end and put twin batt on aswell shes running like it was before serviced it aswell so still great boat cheers paul
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Old 29 October 2009, 18:01   #5
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antifoul

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acetone normally removes but be careful
cheers bob does it do eny damage
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Old 29 October 2009, 18:47   #6
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cheers bob does it do eny damage
YOUR lungs
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Old 30 October 2009, 07:16   #7
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Paul, it's A/foul primer. It's a bitch
Yep!

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Wet and dry and then machine buffing are the only thing that I can think of.
Don't necessarily need the machine buff - as long as you donlt mind a long, hard graft. I used ever increasing grit numbers of wet'n'dry - Stopped at 1200 on the test area, and got it pretty smooth. (used a rolled up rag behind the paper on the curvy bit at the bow - can use an orbital on the transom as it's flat)

Ended up when I discovered what was hiding under the antifoul at the stern to bite the bulet and attacked it with a 40 grit flap disc. (found a major repair at the port rear, which I found wasnlt flat, and probnably explained the weird lean to Starboard atr speed..... It's currently in for a re- gelcoating!

No phots to hand at the mo, if you want to see the "before & after" photos of the sandpaper journey, let me know.
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Old 30 October 2009, 09:30   #8
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hi all eny one know how to get paint or whatever it is under the antifoul off with. removed antifoul no problem but this stuff underneath seems to be a problem if eny one can help : thanks paul
The product I used was 'Interstrip' by International,removes the Anti fouling and Primer in one go,wipe over with thinners job done!A bit messy BUT Alot safer than all that sanding!?
Anti foul is pretty toxic stuff and can do alot of harm! MAY EVEN account for 'one or two' on here!
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Old 30 October 2009, 11:18   #9
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The product I used was 'Interstrip' by International,removes the Anti fouling and Primer in one go,wipe over with thinners job done!A bit messy BUT Alot safer than all that sanding!?
Anti foul is pretty toxic stuff and can do alot of harm! MAY EVEN account for 'one or two' on here!
Probably not much difference with appropriate breathing apparatus!

|To coin a phrase, choose your poison........


Which brings me to a thought- "Eco antifoul - friendly to marine life". Errrr doesn't that kind of render it somewhat useless?
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Old 30 October 2009, 13:45   #10
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Probably not much difference with appropriate breathing apparatus!

|To coin a phrase, choose your poison........


Which brings me to a thought- "Eco antifoul - friendly to marine life". Errrr doesn't that kind of render it somewhat useless?
Point taken,and naturally you'd want to use a purpose made. and high quality mask.The trouble with grinding,or sanding it makes whatever your sanding down 'air borne' by the very nature of the process, which in turn makes it easier to ingest,and spreads the residue over a wider area.Even contaminating cloths and hair ect. At least when you use the product made for the job ie. 'Anti-foul Stripper' it locks it in.I just put down an old dust sheet which collected the gunge,and rolled it up,and put it into our workshop waste for proper disposal.As for 'Eco anti-foul' does seem a contradiction in terms!!
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Old 30 October 2009, 14:07   #11
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its a really nasty bas---d job...I used international interstrip and paintbrush, also one of those green scourer pads,the interstrip will remove the foul ,,when you get to the primer,it wont touch it.. i found that white spirit and a course plastic or synthetic scourer really was the only way of removing it
When the primer has been removed . it may have been keyed in..if it has been keyed in, then electric polisher with farcla course rubbing compound or 1200 grit sandpaper to finish

took me 2 days to do complete up turned hull

and the Mrs
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Old 30 October 2009, 16:07   #12
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antifoul

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its a really nasty bas---d job...I used international interstrip and paintbrush, also one of those green scourer pads,the interstrip will remove the foul ,,when you get to the primer,it wont touch it.. i found that white spirit and a course plastic or synthetic scourer really was the only way of removing it
When the primer has been removed . it may have been keyed in..if it has been keyed in, then electric polisher with farcla course rubbing compound or 1200 grit sandpaper to finish

took me 2 days to do complete up turned hull

and the Mrs
thanks lads striped antifoul now and used thinners to strip the key paint off hard work but it works well done transom and sides today ready for buffing . just bottom to do now it will look a diferent rib when done but thanks again for every ones input
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Old 02 November 2009, 04:41   #13
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,and spreads the residue over a wider area.Even contaminating cloths and hair ect.
And the prize for "understatement of the week" goes to...... Maximus!

At this rate we'll be able to start a "removed antifoul" thead in the gallery section......
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Old 02 November 2009, 05:10   #14
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I REST MY CASE!!
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Old 02 November 2009, 07:37   #15
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Indeed.....

In my defence, I had by this point also decided remove the old Gelcoat as well.....
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Old 02 November 2009, 10:21   #16
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I want to do mine, Im okay with taking off the motor and a frame, did u have to take the console out too?
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Old 02 November 2009, 10:36   #17
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Nah, I decided that if I wanted the boat useable this side of next milennium I better pay someone else to do it!

They have sufficient frames & braces that they could support it upside down with the console clear of the floor.
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Old 11 January 2010, 05:06   #18
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Will acetone /interstrip affect engine leg paint?

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The product I used was 'Interstrip' by International,removes the Anti fouling and Primer in one go,wipe over with thinners job done!A bit messy BUT Alot safer than all that sanding!?
Anti foul is pretty toxic stuff and can do alot of harm! MAY EVEN account for 'one or two' on here!
Resurecting this old thread......want to remove antifoul from an old engine leg....

Might be stupid question, but will the interstrip /acetone approach also remove the leg paint itself or just the antifoul?

If anyone can help would be much appreciated...otherwise might just sand and get it resprayed.

Thx

Dan
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Old 11 March 2010, 13:44   #19
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Im half way through antifoul stripping and am getting close to giving up. Spent 3 whole days on it, in the past I tried interstrip but it needed more force from the scraper than I wanted, plus my boat has alot of curved surfaces risking damage.... I hoped to leave the boat un antifouled after, now ive used two coats of dilunet and its probably only shifted about 40%. But it wont touch the primer, NOR will acetone.....

I have half a tin of interstrip to try, possibly with a scourer, after that i give up. ANY tips please
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Old 11 March 2010, 13:52   #20
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some good stuff to use is Nautix paint stripper, you can get it from the nautix uk agent, Marineware ltd, in southampton under the toll bridge.

the stuff is very good, i have done on 6.5 m rib with it and am about to do another.

you paint in on, cover it with tin foil, leave it about 4 to 6 hours and then scrap off!!! then give a quick wipe down with some gun wash / cellulose thinners (about £7 per 5 litres) and you are back to gel coat!!!

i had quite a few layers of antifoul on my rib, 2 applications and done, in total i think a day and a half, so over a weekend, no worries!!!

if you want anymore info, please ask...
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