Resealing bulkheads on polyethylene kayak

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Resealing bulkheads on polyethylene kayak

Postby bunyip » Sun Apr 22, 2012 4:11 pm

I want to reseal the bulkheads on my Qkayak Penguin. The boat is polyethylene construction. Any suggestions on what sealant or tape to use?
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Re: Resealing bulkheads on polyethylene kayak

Postby Holmes375 » Sun Apr 22, 2012 6:28 pm

I've always had excellent performance using a sealant called Lexel. Available at well stocked hardware/home improvement stores. Needs a few days to set up properly so plan accordingly.
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Re: Resealing bulkheads on polyethylene kayak

Postby taoist53 » Sun Apr 22, 2012 11:13 pm

bunyip wrote:I want to reseal the bulkheads on my Qkayak Penguin. The boat is polyethylene construction. Any suggestions on what sealant or tape to use?


ACE Hardware carries LEXEL

Might want to check into Sikaflex, link below
http://www.jamestowndistributors.com/us ... e+Overview

Boatlife Lifeseal, link below
http://www.jamestowndistributors.com/us ... e+Lifeseal




fwiw
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Re: Resealing bulkheads on polyethylene kayak

Postby mick M » Mon Apr 23, 2012 12:32 pm

We dont get a lot of the products you get in the US, try Sellies all clear , a lot of the manufacturers youse it to glue the origanal balk heads in with , iv had realy good resolts with it
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Re: Resealing bulkheads on polyethylene kayak

Postby bunyip » Mon Apr 23, 2012 12:55 pm

Thanks everyone for the advice to date. I called Selley's tech line and was told that none of their products stick well to polyethylene but All Clear is the product that will have the best hold, and to allow 2 weeks for drying.
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Re: Resealing bulkheads on polyethylene kayak

Postby Stuntman » Tue Apr 24, 2012 6:49 pm

Try west system g-flex epoxy. A toughened epoxy designed to work with tough to glue materials like polyethylene. Good shear strength with just a rough up with coarse wet and dry - even better if you "flame" the poly before glueing (don't be scared - its easy enough if your careful).

I'd mix it with some collodial silica to thicken it up and "pipe" it in around the joint with a heavy duty plastic bag with the corner cut off. Its a bit more expensive and mucking around than with all-clear however.

cheers, Shawn
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Re: Resealing bulkheads on polyethylene kayak

Postby JohnA » Tue Apr 24, 2012 8:37 pm

The foam bulkheads are usually cut slightly oversize so there is outward force on the joint. The silicone won't form a chemical bond with the PE but it should still work well enough, or at least as well as foam bulkheads ever do. :(

Interesting tip on the epoxy Shawn, I might experiment with that myself. It would have to be cheaper than 3M Scotchweld, which works well but would be a fairly expensive fix for sealing a bulkhead.
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Re: Resealing bulkheads on polyethylene kayak

Postby GAZ001 » Wed Apr 25, 2012 10:13 am

Buy a glass boat...

Ha Ha :D :D

Just a bit of fun ;)
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http://www.queenslandseakayakinstruction.com.au
CU on the water, ipaddle@sea
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