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Old 15-06-2015, 08:37   #16
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Re: Lagoon 440 can stay a whole year in the water?

A well built hull with correct resins should be able to stay in the water indefinitely, apart from normal anti-foul etc. Personally, we have a 27yr old Crowther, vinyl ester, solid below waterline. Never seen osmosis or moisture in the structure. Always been in tropical or sub tropical water. Suggest you confirm with Lagoon as to construction materials.
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Old 15-06-2015, 08:40   #17
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Re: Lagoon 440 can stay a whole year in the water?

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A well built hull with correct resins should be able to stay in the water indefinitely, apart from normal anti-foul etc. Personally, we have a 27yr old Crowther, vinyl ester, solid below waterline. Never seen osmosis or moisture in the structure. Always been in tropical or sub tropical water. Suggest you confirm with Lagoon as to construction materials.
Yeah that's what he said to me, that these boats (I mean the boats that they build now) are not as the ones built 20 years ago as for example your 27yr Corwther is

have a good day
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Old 15-06-2015, 09:18   #18
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Re: Lagoon 440 can stay a whole year in the water?

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Suggest you confirm with Lagoon as to construction materials.
I agree. How the boat is constructed is vital, but this is often glossed over. Vinyl-ester resins are a lot better than polyester (but not as good as epoxy) in terms of resistance to osmosis (and most other properties).

However, many manufacturers use a small amount of vinyl-ester, but cleverly word their brochure to suggest upon casual reading that the full hull layup is vinyl-ester. Even salesmen get this wrong, so do your homework.

My impression is that Lagoon is one of the brands that suffers few osmosis problems, but comparing the detail of the hull layup and construction methods with competing brands will give you a better idea of the long term susceptibility.
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Old 15-06-2015, 16:32   #19
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Re: Lagoon 440 can stay a whole year in the water?

this is what i do if i want to see for example if osmosis is problem for lagoons.

go to lagoon owner site that is around 16 years and do search for osmosis problem.

I have done and came out nearly nothing. So I conclude this is not big issue for lagoons and will not lose sleep because of that.

De-lamination of gelcoat underwater is more of an issue but I understand this is not structural although it looks bad.
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Old 15-06-2015, 17:51   #20
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Re: Lagoon 440 can stay a whole year in the water?

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Sailed in 4 degrees last week, would not call that too warm
sheesh Peter......must be time for Pathfinder to head north!?!

Back to the OP, we haul out (for anti-foul and service) every 18 months. Otherwise, she stays where she belongs...in the water...and she loves it there!


No signs of osmosis either. Launched 2010 so fairly recent build.
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Old 16-06-2015, 04:47   #21
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Re: Lagoon 440 can stay a whole year in the water?

Solar panels nearing completion Don, the north we head


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Old 16-06-2015, 16:41   #22
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Re: Lagoon 440 can stay a whole year in the water?

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Solar panels nearing completion Don, the north we head
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