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Lewmar aluminium frames

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Wild View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Wild Quote  Post ReplyReply Direct Link To This Post Posted: 18 November 2021 at 11:05
Wild and Wet
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iemand View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote iemand Quote  Post ReplyReply Direct Link To This Post Posted: 18 November 2021 at 12:15
I would considering to go for pure anodization instead of this white powdercoating.
Hanse 312 MJ 2004 - Hanse 370e MJ 2007
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Richard M View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Richard M Quote  Post ReplyReply Direct Link To This Post Posted: 18 November 2021 at 12:19
Hello Paul 

I had hitherto considered Lewmar to be a reputable brand. But as so many have be affected then I'm not so sure anymore. Lewmar changed hands in 2019 - now owned by an American company - Lippert.

Best wishes


Richard
Richard M

(S/Y BrightStar - H 455 #90; ex S/Y Providence - H 400e #290)
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Richard M View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Richard M Quote  Post ReplyReply Direct Link To This Post Posted: 18 November 2021 at 12:21
Thanks iemand.

I will look into this option.

Best wishes


Richard
Richard M

(S/Y BrightStar - H 455 #90; ex S/Y Providence - H 400e #290)
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AndersOtt View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote AndersOtt Quote  Post ReplyReply Direct Link To This Post Posted: 19 November 2021 at 20:43
Hi Bob,

Do you have a photo of the Chrome finished outcome? Im in the same boat and am planning to sandblast, prime and powder coat black. However, this may be a good alternative.

Anders
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350Bob View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote 350Bob Quote  Post ReplyReply Direct Link To This Post Posted: 19 November 2021 at 20:48
Hi Anders, I am sorry but I don’t have a photograph, but they look good with no sign yet of any corrosion reoccurring. As the boat is in Greece I won’t be able to take any photographs until April next year.

Bob
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iemand View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote iemand Quote  Post ReplyReply Direct Link To This Post Posted: 19 November 2021 at 21:14
For me it is quite simple: Powdercoating never works on the long run in a marine enviroment. You can see that also e.g. on some white coated Steering columns. Anodizing is the only long time solution for aluminium. 
If a customer like Hanse is asking Lewmar strongly to deliver pure white or black aluminium than powdercoating it the only option. Maybe it works on anodized aluminium as well but I am not shure.
Hanse 312 MJ 2004 - Hanse 370e MJ 2007
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Arcadia View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Arcadia Quote  Post ReplyReply Direct Link To This Post Posted: 19 November 2021 at 23:45
I agree fully with iemand.  If going through the process of removing the aluminum frames and sandblasting, then having them anodized clear or black, is the best option. Cost will be about the same or less and they will last the life of the boat.
Leon / ARCADIA
2018 Hanse 588
Sag Harbor, NY
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Matt1 View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Matt1 Quote  Post ReplyReply Direct Link To This Post Posted: 16 February 2022 at 15:44
I'm now having this problem in two of my hatches, despite the boat being only 3 years old. Dissappointing! It (or potentially a different leak) have caused damage to the bowthruster, an LED light and rusted some locker hinges as well! It's getting expensive!
I'm talking with a local supplier to get the frames anodized for a very reasonable £30-£40....which begs the question "Why didn't Lewmar do this in the first instance" especially now this is a widely known issue.
 
The potential challenges with this approach appear to be:-
 
1) How to remove the frame without damaging them (mine have only started to fail, so are still well adhered to the deck after I remove teh screws). Because these hatches are "flush" its very hard to get access under the flange of the frame becuase of the surrounding GRP
 
2) How to prepare the frames for anodising. My supplier is saying that blasting will leave them too rough and I'll need to get them polished of "brushed" first
 
Anyone with any experiences?
 
Does chroming eliminate some of the preparation issues?
 
If I can get them out, prepared and either anodised or chromed then I think I will have a future proof solution and better than orignal, but the meantime it's pretty frustrating to be honest.
 
Grateful for any thoughts / experiences
 
Hanse 418 #64 EmBer. Hamble, UK

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Tranquillity View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Tranquillity Quote  Post ReplyReply Direct Link To This Post Posted: 16 February 2022 at 18:01
Matt, Sorry to hear. Which of your hatches have you had the problems with and will check ours.
Jon
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