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Old 13-06-2024, 04:49   #1
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Join Date: Jun 2024
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Shower reseal

We have an Isla 3 cabin and noticed that the shower in the main cabin is letting water run underneath the floor boards in the bathroom. It seems to be missing a seal on the bottom of the shower door & also the sealant is peeling away from the wood which could be letting water under the floor board of the bathroom.

I have a few questions hoping someone can help with?
  • Does anyone know what brand & type of sealant they apply at the factory so we can match the white?
  • If unsure of the factory sealant, what type of sealant should we be using? It needs to adhere to the wooden floor board so I'm guessing a polyurethane based sealant?? Its likely to get wet so any recommendations on a mould resistant sealant would be great.
  • Do I need to remove the existing sealant fully or would removing the loose pieces & cleaning with acetone be enough to adhere it?

Thanks in advance
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bizzo is offline   Reply With Quote
Old 30-06-2024, 10:53   #2
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Re: Shower reseal

We had a similar situation in our Lucia.

The flooring in adjacent to the shower and in front of the sink (Maestro cabin) was really damp and rotten when we got it. I would constantly have to lift the hatch and wipe it out.

I figured out the reason is that there is no "lip" between the shower door and the wood flooring, so any time you use the shower some water would seep under the plexiglass door and down into the wood. Sealing the wood with caulk only forced the water to pool and drain into the hatch, where it soaks into the plywood.

So I pulled up the whole flooring in front of the shower (if you pry hard enough and use a sharp scraper, it will come up) and installed a 1/2 piece of PVC trim right up against the shower. It sticks up a 1/4 inch but prevents any water from getting into the wood. I also repaired the rotten wood and reinstalled it with adhesive. Used shower caulk to seal it back up. All fixed.

IMHO, this is a pretty obvious design flaw. How hard is it to glass in a small lip there in the molds?

If you have any moisture under the bathroom floor hatch, do this ASAP.

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Old Yesterday, 04:48   #3
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Join Date: Jun 2024
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Re: Shower reseal

Hi Dave,
Thanks very much for the detailed reply, agreed it's a crazy design flaw!

Back on the boat now and have resealed around the wood and fitted a seal to the bottom of the shower screen door, so we'll see how it goes. Fingers crossed!

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