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Repainting the Hull and New Cabin Sole

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Mike2145 View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Mike2145 Quote  Post ReplyReply Direct Link To This Post Posted: 05 October 2017 at 14:26
I also had a badly oxidised (red) hull and considered painting.  However, I decided to try aggressive wet and dry to cut through the top layer.  I though this was a kill or cure as there have been many posts on how this will rub through the gel coat.  However, I found this to be unfounded as the amount of material removed is actually very small compared to the thickness of the gel coat.  The gel coat seems to be more than 1mm looking at a couple of scratches I can see on the hull.
On the worst areas 400 grit then 600, 800, 1000 wet and dry followed by course and then medium cutting compound and finally a wax.  This was the first year.
Second year just the cutting compounds and the third year just fine compound/wax needed.  No areas of gel coat appear to have gone thin as far as I can see. 
Its a lot of hard work and on a 320 not as much area to cover as a 370 but might be worth a go? 
Cant take a joke, don't buy a boat.
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Rubato View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Rubato Quote  Post ReplyReply Direct Link To This Post Posted: 05 October 2017 at 17:51
Vertigo, looks excellent. Which paint was used?

Mike2145 - wonder how long it will hold up? clearly your approach is cheaper than paint or a wrap but at best you've made it a "new" boat again and so it will likely last 3-4 years and you're back to square one again. Still, that's not too bad!
Steve

Hanse 400e, #168
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Gregor View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Gregor Quote  Post ReplyReply Direct Link To This Post Posted: 05 October 2017 at 22:02
I'm considering painting the blue hull of my Dehler. Idea:
Sand with 120
Sand with 180
Paint two layers white two component paint (De IJssel DD paint, UV resistant)
Paint one layer blanc / transparent DD paint
Paint two layers blue two component paint (De IJssel DD paint, UV resistant)
Paint one layer blanc / transparent DD paint
Sand the hull with 400
Paint the whole hull with transparent UV resistant DD paint

Uisge Beatha

Previous boat: Hanse 311 #80

http://www.uisge-beatha.eu
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Vertigo View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Vertigo Quote  Post ReplyReply Direct Link To This Post Posted: 06 October 2017 at 09:22
Hi Rubato, 
Peter Wrede used ALEXSEAL. Upon their strong suggestion I also added 3 small areas of a transparent foil each side, where the fenders are usually fixed. This to specifically protect these fender areas for small scratches etc. So far, all good!
Vertigo
S/Y Vertigo
Hanse 375 #805
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Rubato View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Rubato Quote  Post ReplyReply Direct Link To This Post Posted: 06 October 2017 at 18:02
Originally posted by Vertigo Vertigo wrote:

Hi Rubato, 
Peter Wrede used ALEXSEAL. Upon their strong suggestion I also added 3 small areas of a transparent foil each side, where the fenders are usually fixed. This to specifically protect these fender areas for small scratches etc. So far, all good!
Vertigo

Excellent, thanks for the info...
Steve

Hanse 400e, #168
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jracoffman View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote jracoffman Quote  Post ReplyReply Direct Link To This Post Posted: 17 October 2017 at 17:01
Looks gorgeous! Gemini is currently navy blue, and I intend to have her repainted a darker navy blue with same white cove and boot stripes. What paint did you use, and did you do a clear coat as well?
James C
Gemini, Hanse 375 #644
USA 60468
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jracoffman View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote jracoffman Quote  Post ReplyReply Direct Link To This Post Posted: 17 October 2017 at 17:07
Good to know, still trying to decide Awlgrip vs. Alexseal. Did you do the clear coat? Can can you provide a little more detail on transparent foil. Despite having fender covers, I certainly have noticed some wear around the areas where I put the fenders too.
James C
Gemini, Hanse 375 #644
USA 60468
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Pride of Waterford View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Pride of Waterford Quote  Post ReplyReply Direct Link To This Post Posted: 17 October 2017 at 17:40
hi there,
we also had someone hit the side of the boat and as the boat was so faded even a few weeks after extensive polishing.
We used Awlgrip and are delighted with the results, never need to polish again.
 Just a wipe over with a fibre cloth and its perfect again.


Brod Port Lairge
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jracoffman View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote jracoffman Quote  Post ReplyReply Direct Link To This Post Posted: 17 October 2017 at 18:00
Thanks for sharing your experience. It's going to be costly to repaint, but I figure with the amount I spent on detailing every year, I probably have a 5 year pay back period.
James C
Gemini, Hanse 375 #644
USA 60468
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Mike2145 View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Mike2145 Quote  Post ReplyReply Direct Link To This Post Posted: 17 October 2017 at 18:01
Originally posted by Rubato Rubato wrote:

Vertigo, looks excellent. Which paint was used?

Mike2145 - wonder how long it will hold up? clearly your approach is cheaper than paint or a wrap but at best you've made it a "new" boat again and so it will likely last 3-4 years and you're back to square one again. Still, that's not too bad!

As long as a fine compounding is done each year to remove the oxidisation the results seem to have held up inyear 3 very well.  The key is to not let the oxidisation get really bad as this is a lot of work to remove.  
This year I did a test patch with a mid season compound and wax and one with just a wax.  Neither made a noticeable difference after a couple of weeks sailing.  
 
Cant take a joke, don't buy a boat.
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