Aft bukkhead

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Postby Guest » Mon Jan 03, 2011 5:39 pm

The aft bulkhead to the stern water tight compartment of my boat is soft from moisture and needs repair. Has anyone else had this problem or have any recommendations on the repair? bulkhead

[Posted by: Randy
]
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Postby aburton » Tue Jan 04, 2011 5:59 pm

I'd get advice from Randy at Waterline Systems 401 682 1661. Actually, I'd have him do the work and not worry about it. He takes care of 265 for me and also my other boat. He's the best I've seen.
I don't know if the bulkhead's cored but if it is, then you need to cut the closer layer out as close to the edge as possible, then bond a new core to the other layer of glass. Once that's done you need to glass over the new core and refinish it. I'd use epoxy for the job because it's easy to work with. Be sure to check with the class measurer beforehand to make sure everything you do is legal, etc.
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Postby Guest » Tue Jan 04, 2011 8:02 pm

Thanks for the input. According to Jboats the bulkhead is either 3/8" or 1/2" thick marine grade plywood that is tabbed to hull and then finished with air-dry gelcoat both sides. I'm in Florida so Waterline may be out of the question.

[Posted by: Randy
]
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Postby beauly » Tue Jan 04, 2011 10:35 pm

I agree about the marine grade plywood, I guess the trick is to get help with the re-tabbing of a new piece of plywood. I get a lot of water behind that bulk head in hull #4 and so i do my best to open up the inspection hatch and sponge it out
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Postby jiggers » Wed Jan 05, 2011 12:32 am

After your repair you may want to consider a retaining drain plug in the bulkhead to allow to clear that zone occasionally.
JIGGERS!
# 33
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Postby tsaytes » Sat Jan 29, 2011 9:02 pm

I was getting water there also soon after taking delivery, turns out scuppers were poorly caulked, allowing water to enter rear bulkhead, some 3M caulk later took care of the problem.
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Postby Guest » Mon Jan 31, 2011 6:29 pm

Mine looked exactly like that when I took possession in 2008 of hull #1. We used a reciprocating saw and cut it out leaving a 3" tab. We epoxied the remaining tab for water intrusion. Then, we fabbed a new aft bulkhead the original size out of 3/4" marine ply and stainless steel screwed it on. Glassed it to the hull. Looks perfect. I open that access port anytime I can to keep it dry. Water will get in from rudder bolts, scuppers, and cockpit port holes.<img src="http://j80.org/discus/messages/5/956.jpg" alt="">

[Posted by: William McKinnon
]
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Postby crazy » Wed Feb 02, 2011 12:06 am

I suggest allowing that area to drain with a secure plug in the center of the boat inside. I found the inspection ports and the scuppers were contributors to the water in the compartment.

Re bed it, put a drain in and check it regularly

Crazy Ivan
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Postby kcpilotpat » Wed Jul 20, 2011 9:59 pm

is it necessary to fix it? hull 341 was plywood with fiberglass on one side only and not much of that. it rotted away in 4 yrs or so. there is only a 1" rim around the edges. i doesn't seem to hurt anything not being there at all. assume it's purpose is as a flotation compartment.

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