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Thread: Antipodean Boats Connection

  1. #47006
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    Default Re: Antipodean Boats Connection

    Quote Originally Posted by Geftb View Post
    Hey Rick. An epoxy primer question.
    Do I need to wipe the surface down with acetone before priming?
    or just sand, dust off, paint?
    Cheers
    steve
    Is it glass? It's on glass, then you can put epoxy primer straight on up until about 24 hours. After that, you should sand then wipe down with Prepsol (or similar) before priming. Or acetone if it seems a bit waxy. What seems to happen is that you get little pools of dust in the pits and grooves that are left in glass, so the Prepsol or acetone is good to wash those out.

    Rick

  2. #47007
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    Default Re: Antipodean Boats Connection

    Quote Originally Posted by John B View Post
    What trip? Oh.
    I awook late after the last 2 weeks punishing schedule ,it's calm, there is sun, there is no food. Wait, is that a can of some kind of carbohydrate or starch soaked in tomato sauce.......mmmmm.
    Sounds like you need some crayfish to go with your spaghetti, this interesting breakfast combination we became accustomed to while hanging with Cook Islanders and Kiwis spending weekends on One Foot Motu in Aitutaki.

  3. #47008
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    Default Re: Antipodean Boats Connection

    Quote Originally Posted by RFNK View Post
    Is it glass? It's on glass, then you can put epoxy primer straight on up until about 24 hours. After that, you should sand then wipe down with Prepsol (or similar) before priming. Or acetone if it seems a bit waxy. What seems to happen is that you get little pools of dust in the pits and grooves that are left in glass, so the Prepsol or acetone is good to wash those out.

    Rick
    its majority pre painted finish. Basically I'm aiming to get my boat undercoating this weekend.
    I will just wipe it all with acetone to be sure.

  4. #47009
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    Default Re: Antipodean Boats Connection

    Another larger spar for the Tammie not bad for some roadside scrap even with about 10 doweled nail holes and as many knots. I quite like the Cetol Marine Teak Wood Oil Varnish.
    Last count I now have 8 spars stashed in around my boat shed.
    [/IMG][IMG][/IMG]

  5. #47010
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    Default Re: Antipodean Boats Connection

    19 bucks!!! What a bargain!! Looks great

  6. #47011
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    Default Re: Antipodean Boats Connection

    Quote Originally Posted by Geftb View Post
    its majority pre painted finish. Basically I'm aiming to get my boat undercoating this weekend.
    I will just wipe it all with acetone to be sure.
    If it's pre-painted then of course you'll have to sand before you wipe it down, but not much.

    Rick

  7. #47012
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    Default Re: Antipodean Boats Connection

    Quote Originally Posted by Geftb View Post
    19 bucks!!! What a bargain!! Looks great
    I'll bet it came from Bunnings. I just happened to go into Bunnings one day about a year ago and they were selling off all their marine paints at ridiculous (i.e., very good!) prices so i bought all that was left - 2 tins of Cetol Marine, a 4L can of Toplac White and something else. I wish I'd known about it sooner! Toplac is great paint, by the way.

    Rick

  8. #47013
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    Default Re: Antipodean Boats Connection

    Its all sanded. Well, almost. Can I just wipe it down with water and paint the next day?

    years ago I ordered some penatrol "marine" from the local hardware, it took a couple of weeks to get there. Ended up being delivered by the penotrol rep himself. He went on to tell me that there is no difference between there marine and everyday penatrol. Simply the lable. I do wonder if its the same with sikkens? I can get 10liters of teak decking oil for the same price as 4 litres of "marine" oil. Both take the number 7 over top?? Any ideas?

  9. #47014
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    I've just finished the first round of sanding my decks and the top of my topsides. My arms hurt. Maybe should have just left the peel ply on for now and come back next week. It's hot and windy and horrible. I have other obligations tomorrow so won't be getting to the boat. And the next 3 days after that the forecasters think it's still April Fools and are forecasting rain. To be honest I doubt it. So my plan is to do a bit more sanding another day. Probably Sunday. Then when it's suitable which will be anywhere from Sunday to Thursday, give it a pressure wash, let it dry and put the primer on. And then do more sanding. Ive never been great with sanding. Don't have the patience. So I'm thinking I'd rather sand primer/filler which is designed to be sanded, rather than epoxy which is designed to be rock hard. The main area where I'm concerned that my laziness will come back to haunt me is epoxy drips down the topsides to the rubbing strake. Do I need to eliminate them before I prime, or just close to?

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  10. #47015
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    Default Re: Antipodean Boats Connection

    Winds up around 90 kmh on Eyre Peninsular I hear.
    Trump, a man who can't hold a coherent thought till the end of the sentence.

  11. #47016
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    Default Re: Antipodean Boats Connection

    Quote Originally Posted by RFNK View Post
    I'll bet it came from Bunnings. I just happened to go into Bunnings one day about a year ago and they were selling off all their marine paints at ridiculous (i.e., very good!) prices so i bought all that was left - 2 tins of Cetol Marine, a 4L can of Toplac White and something else. I wish I'd known about it sooner! Toplac is great paint, by the way.
    Rick
    Bunnings it was. I only bought It because of your recommendation and the price of course,wish I would have bought the other three cans also.
    And yes Toplac is a very good paint,I just colour my own with free tint from the Dulux Trade Ctr.

  12. #47017
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    Default Re: Antipodean Boats Connection

    Quote Originally Posted by Phil Y View Post
    I've just finished the first round of sanding my decks and the top of my topsides. My arms hurt. Maybe should have just left the peel ply on for now and come back next week. It's hot and windy and horrible. I have other obligations tomorrow so won't be getting to the boat. And the next 3 days after that the forecasters think it's still April Fools and are forecasting rain. To be honest I doubt it. So my plan is to do a bit more sanding another day. Probably Sunday. Then when it's suitable which will be anywhere from Sunday to Thursday, give it a pressure wash, let it dry and put the primer on. And then do more sanding. Ive never been great with sanding. Don't have the patience. So I'm thinking I'd rather sand primer/filler which is designed to be sanded, rather than epoxy which is designed to be rock hard. The main area where I'm concerned that my laziness will come back to haunt me is epoxy drips down the topsides to the rubbing strake. Do I need to eliminate them before I prime, or just close to?

    Sent from my CPH1851 using Tapatalk
    I get the impression someone has put the wind up you about epoxy and uv , Phil. Yes epoxy is not stable when exposed to sunlight, but you have time and plenty of it to coat it. A few days or a week or so is nothing in the scheme of things.

  13. #47018
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    Great.Thats kind of what I thought. Some patches like the foredeck I didn't use peel ply as I was well advanced by then and not worried about a week or two of exposure. At the start I thought I might still be putting ply on he deck next spring. It's all gone quicker than I expected. It's more that if I don't get primer in until Thursday there will be a layer of salt and sand and, as it happens, the best Eyre Peninsula top soil all over the deck. Ideally I'd have sanded one fine day and painted the next. A pressure wash is no great hassle. What do you think about the topside drips? Keep sanding, or prime then sand? I'm no perfectionist but don't want it looking like Captain Ron's boat either. I've sanded them quite a bit but you can certainly still feel them. The first photo is the worst bit. I just don't know what to expect of primer/filler.

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  14. #47019
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    Default Re: Antipodean Boats Connection

    Wipe off with acetone when its wet.
    Otherwise I would try a heat gun and scraper

  15. #47020
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    Quote Originally Posted by Phil Y View Post
    Great.Thats kind of what I thought. Some patches like the foredeck I didn't use peel ply as I was well advanced by then and not worried about a week or two of exposure. At the start I thought I might still be putting ply on he deck next spring. It's all gone quicker than I expected. It's more that if I don't get primer in until Thursday there will be a layer of salt and sand and, as it happens, the best Eyre Peninsula top soil all over the deck. Ideally I'd have sanded one fine day and painted the next. A pressure wash is no great hassle. What do you think about the topside drips? Keep sanding, or prime then sand? I'm no perfectionist but don't want it looking like Captain Ron's boat either. I've sanded them quite a bit but you can certainly still feel them. The first photo is the worst bit. I just don't know what to expect of primer/filler.

    Sent from my CPH1851 using Tapatalk
    Wiping off when wet is a great idea and I know I should have. Lots going on though and in some areas not reachable due to wet deck. Heat gun maybe but I don't want to damage the paint and glass underneath.

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  16. #47021
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    I don't know why I quoted my own post but you know what I meant

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  17. #47022
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    Default Re: Antipodean Boats Connection

    Quote Originally Posted by Geftb View Post
    Its all sanded. Well, almost. Can I just wipe it down with water and paint the next day?

    years ago I ordered some penatrol "marine" from the local hardware, it took a couple of weeks to get there. Ended up being delivered by the penotrol rep himself. He went on to tell me that there is no difference between there marine and everyday penatrol. Simply the lable. I do wonder if its the same with sikkens? I can get 10liters of teak decking oil for the same price as 4 litres of "marine" oil. Both take the number 7 over top?? Any ideas?
    Yes and I don't know. John B reckons it's the same but it seems different to me.

    Rick

  18. #47023
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    Default Re: Antipodean Boats Connection

    Quote Originally Posted by Phil Y View Post
    Great.Thats kind of what I thought. Some patches like the foredeck I didn't use peel ply as I was well advanced by then and not worried about a week or two of exposure. At the start I thought I might still be putting ply on he deck next spring. It's all gone quicker than I expected. It's more that if I don't get primer in until Thursday there will be a layer of salt and sand and, as it happens, the best Eyre Peninsula top soil all over the deck. Ideally I'd have sanded one fine day and painted the next. A pressure wash is no great hassle. What do you think about the topside drips? Keep sanding, or prime then sand? I'm no perfectionist but don't want it looking like Captain Ron's boat either. I've sanded them quite a bit but you can certainly still feel them. The first photo is the worst bit. I just don't know what to expect of primer/filler.

    Sent from my CPH1851 using Tapatalk
    Sand it off now and the primer will fill the sanding marks. Primer will fill sanding marks but won't cover resin runs. Primer is thick but a lot thinner than fairing goop. The smoother you get it prior to priming, the easier everything else will be. Use 80 grit.

    Rick

  19. #47024
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    That's pretty much what I feared. Sometimes I just need a bit of encouragement to do the right thing. Thanks.

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  20. #47025
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    Default Re: Antipodean Boats Connection


    Those runs are a bugger to sand out. If you have a light hand a flapper disc on an angle grinder gets rid of most of it pretty quick.
    Trump, a man who can't hold a coherent thought till the end of the sentence.

  21. #47026
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    Quote Originally Posted by WX View Post

    Those runs are a bugger to sand out. If you have a light hand a flapper disc on an angle grinder gets rid of most of it pretty quick.
    I might give that a go, thanks. In fact they are probably 3/4 gone, a few new discs on a new day, job done.

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    Last edited by Phil Y; 04-05-2019 at 01:31 AM.

  22. #47027
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    Default Re: Antipodean Boats Connection

    That's what I would use but you seem pretty handy with a belt sander.

    Rick

  23. #47028
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    Nah id be too frightened to use a belt on there now. Just using a random Orbital. Are you saying disc on angle grinder or RO?

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  24. #47029
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    Default Re: Antipodean Boats Connection

    Thanks Rick!

    i find epoxy needs very little heat to lift it. I don't see it damaging the paint.
    Sanding runs I find to be a b:$&@ch.

  25. #47030
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    Default Re: Antipodean Boats Connection

    Quote Originally Posted by Phil Y View Post
    Nah id be too frightened to use a belt on there now. Just using a random Orbital. Are you saying disc on angle grinder or RO?

    Sent from my CPH1851 using Tapatalk
    Yeah I used a 4" angle grinder to get the down low then a beltsander. I did have a sanding disc on the 8" but it flew apart on me while going the cabin top....scared the excrement out of me!
    Trump, a man who can't hold a coherent thought till the end of the sentence.

  26. #47031
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    Default Re: Antipodean Boats Connection

    I've a variable speed disk sander which is grouse. Disk sander on a angle grinder is another beast which I haven't mastered

  27. #47032
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    Okey dokey. Might try a bit of heat and a scraper or chisel. Might try my trusty angle grinder, maybe 80 grit rather than my usual 24. Of course this is all done kneeling on the deck, hanging over the side. No toe rails, no fence. Nothing much. Except where I can do it from the marina berth, which is nice.

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  28. #47033
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    Default Re: Antipodean Boats Connection

    You may even be able to just heat the chisel and not directly on the boat?? You will soon find out if it works

  29. #47034
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    Default Re: Antipodean Boats Connection

    I often use just flat discs rather than flappers. With flat discs, as long as the nut doesn't protrude, you can sand with the disc flat on the surface and avoid any dig-ins. It's easy with a small grinder. You often have to cut little slots from the hole in the disc to get it to lay flat.

    Rick

  30. #47035
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    Quote Originally Posted by Geftb View Post
    You may even be able to just heat the chisel and not directly on the boat?? You will soon find out if it works
    Might be worth a try

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    Last edited by Phil Y; 04-05-2019 at 04:30 PM.

  31. #47036
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    Quote Originally Posted by RFNK View Post
    I often use just flat discs rather than flappers. With flat discs, as long as the nut doesn't protrude, you can sand with the disc flat on the surface and avoid any dig-ins. It's easy with a small grinder. You often have to cut little slots from the hole in the disc to get it to lay flat.

    Rick
    I pretty much always use flat discs. I have a fitting which has a flat "nut," and a slightly flexible rubber backing. Only thought I'd try a flapper because Gary suggested it. Yesterday I was using the random orbital because it seemed like the best tool to lightly scuff large flat areas, and because I could attach a vacuum cleaner and put very little dust in the water and the neighbours boat.

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  32. #47037
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    Default Re: Antipodean Boats Connection

    If the RO sander is getting the runs off then that'd have to be the best one to use. And you can use 40 or 60 grit because the high-build primer will fill the rougher sanding. It won't fill dig-ins or repair flat spots.

    At home, I'd use the grinder. On the water, the RO for sure.

    Rick

  33. #47038
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    Quote Originally Posted by RFNK View Post
    If the RO sander is getting the runs off then that'd have to be the best one to use. And you can use 40 or 60 grit because the high-build primer will fill the rougher sanding. It won't fill dig-ins or repair flat spots.

    At home, I'd use the grinder. On the water, the RO for sure.

    Rick
    I think 80 might have been the coarsest I could find in Bunnings. Not sure now. I just may get down to the boat later today, and will help Mr Bunning with his turnover on the way. Not entirely sure my arms and back are up for it.

    Today I mainly have a final tidy up of a property I manage before the owners arrive for their annual family holiday. It's quite the performance. Lovely 50 acre place near us. Huge lawn, lots of garden beds, lots of rural plumbing always requiring attention, 10 or so cows, 30 odd sheep, some chickens and a veggie patch.

    If that goes well, then I get to do some more sanding as a reward. Also patch a few small spots where the glass cloth was raised up from the deck. About 20c piece size. I've sanded those out, just need to put some glass and epoxy in, let it go off and sand it before the paint goes on.

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  34. #47039
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    Thanks team for the wise counsel against sloth. I got me some 40 grit discs for the random orbital and cleaned up those runs quick smart. Fresh discs, fresh arms and a fresh day, easy done. You can still see where the runs were but it feels reaonably smooth. Patched the 4 or 5 spots that needed patching. Not sure of my method on that. I've left the edges of the new glass unstuck so I can just feather old into new with the loose stuff flying away in the sanding process. I saw a proper boatbuilder do it like this, so it should work. I added some peel ply because I had some and I like the stuff. Painting tomorrow. Woo Hoo. After that I'm going to get drunk.

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  35. #47040
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    Default Re: Antipodean Boats Connection

    Superb! :-D

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