Kayak Hull Repair? - Mountain Buzz
 



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Old 06-29-2009   #1
 
Boulder, Colorado
Paddling Since: 2008
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Kayak Hull Repair?

I just bought a kayak and it has a small crack in the bottom. It's about two inches long and not wide. actually you can barely tell it's there. Any ideas on how to fill it? I was thinking of a flexible epoxy? Any help would be greatly appreciated.

Thanks

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Old 06-29-2009   #2
 
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B.F.E., Wyoming
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DUCT TAPE!! or a hippo patch. cks has em
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Old 06-29-2009   #3
KSC
 
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Do some searching on here and you fill find a lot of info. In general there are two schools of thought. One school of thought is drill out the ends to prevent propagation and on the inside of the boat apply bituthene, which is a tough sticky, waterproof roofing material (again do a search).

The other school of thought is to weld the crack. If you have cross link plastic, this method won't work. It seems there are some sophisticated methods of doing this that some pro shops use that involve applying some wire mesh and reinforcing areas around the crack.

There's the brute force approach which apparently has worked well for a lot of people which involves taking a big chunk of plastic from the same type of boat and using a heat gun to evenly head the new plastic and the hull and laying a nice rectangle around the crack and smoothing it out.

I've been welding using a cheap plastic welder and cutting a thin rod using plastic from the same manufacturer. This technique involves melting the rod and the hull and twisting the rod in to fill the crack and then smoothing it out. I apply another weld on the inside of the boat. This repair has been holding up surprisingly well for me so far. A 2" crack is pretty small, so I think you should have reasonable success with the repair.
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Old 06-30-2009   #4
 
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Or DUCT TAPE!
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Old 07-01-2009   #5
 
Boulder, Colorado, Colorado
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YA, if duct tape cant fix it, its broken... your boat is broken!
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Old 07-02-2009   #6
 
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Buena Vista, Colorado
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Not just duct tape, Gorrilla tape. My buddy put a hole in his Huck early season on the Piedra...He covered a 4" slit with Gorrilla tape on the inside and outside and it works like a charm. He has to reapply a new layer to the outside every 3-4 trips or so, but I've probably boated with him 30 times since he taped it...
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Old 07-02-2009   #7
 
Join Date: Apr 2005
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Unless you got the boat for free, you got ripped off. No matter what you do, more cracks are on the way and its going to leak. Not trying to be a hater, just speaking from 17 years of experience.
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Old 07-02-2009   #8
 
Golden, Colorado
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KSC's welds look amazing. I am going to start saving my broken boats to use as material for welding rods and patches.

It seems to me that plastic welding is getting more popular. I have a few friends now who are paddling in Frankenstein-ish welded boats and I never used to see stuff like that on the river.
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Old 07-03-2009   #9
 
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White City, Oregon
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Go to oregonkayaking.net they have a great write up on patching boats
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