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Old 04-19-2018, 02:13 AM   #1
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caulking between hull and deck

Hi all, I have a fairly thick bead of caulking around my cockpit where the deck meets the top of the hull. There is some mold growing in the caulk and I would like to remove the old caulking and replace it.

Any suggestions on what type of material I should use? Preferably I'd like something more resistant to mold and mildew.

Thanks!
Mike
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Old 04-19-2018, 04:06 AM   #2
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Greetings,
Mr. M. IF mold is the only issue and the caulk is otherwise in good shape, I'd leave it. You may have to initiate a regime of preventative cleaning but that's a lot easier than re-caulking IMO.

The fact that you do have mold growth suggests you have created a condition where mold is happy to grow. Is the boat stored with a cover or under cover? Perhaps increase ventilation...
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Old 04-19-2018, 06:09 AM   #3
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The hull/deck joint is one spot where 5200 works well.

You are only seeing the edge of the joint.

Spray the area , wash it and forgetaboutit.
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Old 04-19-2018, 07:33 AM   #4
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I agree with RT... To clean moldy caulk use Concrobium wipes I get them from Amazon I am sure walmart has them but I just do not like going in the place
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Old 04-19-2018, 10:47 AM   #5
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Quote:
Originally Posted by siestakey View Post
I agree with RT... To clean moldy caulk use Concrobium wipes I get them from Amazon I am sure walmart has them but I just do not like going in the place
I bought the boat this way, and the mold was pretty bad. I hit it with various highly-rated mold/mildew cleaners and they worked pretty well. However, there are still stains that will never go away.

I got a quote for $300 for a guy to remove the old caulk and replace with new. However, I don't know what I want to replace it with.

The caulk isn't performing any mechanical task. It's purely cosmetic.
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