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Old 07-29-2014, 11:17 AM   #41
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I have annual rust maintenance done to keep ahead of rusting issues. One spot due here:



It cost about $27,000 (plus insurance) to ship my 36-foot boat from China to California. It required two different ships:



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Old 07-29-2014, 11:35 AM   #42
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Originally Posted by Irish Rambler View Post
Expanded polyurethane foam is then sprayed over all the interior down to the internal waterline...
No problems with rust on either boat and excellent insulation for noise/heat/condensation.
Um, since most of the need for rust, noise, and (depending on season) thermal insulation is BELOW the waterline, I'm not seeing the "proof of concept".
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Old 07-29-2014, 02:06 PM   #43
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Um, since most of the need for rust, noise, and (depending on season) thermal insulation is BELOW the waterline, I'm not seeing the "proof of concept".
Every body who know just a little about insulating a steel casco knows that you never ever insulate such a casco under the "wind-water line"
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Old 07-29-2014, 02:48 PM   #44
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Every body who know just a little about insulating a steel casco knows that you never ever insulate such a casco under the "wind-water line"
No kidding. But my point is that if you don't, then you're admitting that insulating does not work in (typically) unheated spaces with low air circulation and cool temperatures conducive to condensation. Heck, my old steel Romsdal had something like fiberglass between the interior panelling and the topsides, with no failure observed in 30 years. Preventing interior corrosion above the waterline is a rather low bar.
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Old 07-29-2014, 04:26 PM   #45
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No kidding. But my point is that if you don't, then you're admitting that insulating does not work in (typically) unheated spaces with low air circulation and cool temperatures conducive to condensation. Heck, my old steel Romsdal had something like fiberglass between the interior panelling and the topsides, with no failure observed in 30 years. Preventing interior corrosion above the waterline is a rather low bar.
I can only say GOOGLE is your best friend.............

(Look at the photo in Post #18 Mark's Casco)
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Old 07-29-2014, 05:48 PM   #46
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And what to do the day that research shows that foam insulation off gasses carcinogens.
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Old 07-29-2014, 05:57 PM   #47
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What can Yanks learn from the Dutch?

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And what to do the day that research shows that foam insulation off gasses carcinogens.
Move to the engine room?
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