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Thread: Looking for Ideas on Plastic Canoe Re-Enforcement & Repair.

  1. #1
    *Flashaholic* jtice's Avatar
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    Default Looking for Ideas on Plastic Canoe Re-Enforcement & Repair.

    I am looking for some ideas on how to re-enforce at least the front hull of a plastic (polyethylene I think) canoe I purchased.
    It seems to handle impacts well, and bouces right back, but its getting some fairly deep gouges and scrapes already.

    I know they make some kits for this, but all they are, are some epoxy and a bit of material, and they are $50+ kits !

    I am just looking for alternative ideas.
    Doesnt have to be real pretty, just something to give the front hull a bit more toughness, and thickness.

    I was thinking of using some PVC glue, or some 5 minute epoxy, which I will be testing tonight, just to see if it sticks well.
    But I am not sure what to use as a material.

    Are there any epoxies that are good with plastics, that arent real expensive, and come in larger cans?

    What about "gaffer" ? tape, would it stand up to any of this?

    Thanks for the ideas guys,
    ~John
    Last edited by jtice; 06-18-2007 at 02:02 PM.

  2. #2

    Default Re: Looking for Ideas on Plastic Canoe Re-Enforcement & Repair.

    how about moding some fiberblass?
    LED's have gotten too bright in our stuff. Many nights I'm awakened by my modem lights blinking.had help with my sig thank you for your help.

  3. #3
    *Flashaholic* jtice's Avatar
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    Default Re: Looking for Ideas on Plastic Canoe Re-Enforcement & Repair.

    Fiberglass would work great, on a fiberglass canoe.
    Problem is, the plastic ones, like mine, are very flexible, which is great for bouncing off rocks.
    But, fiberglass hardens, and doesnt allow much flex at all.
    I think that would lead to it cracking, and separating from the flexible plastic hull.

    ~John

  4. #4

    Default Re: Looking for Ideas on Plastic Canoe Re-Enforcement & Repair.

    o dang that stinks me my self am looking for a small light canoe that i can carry like 1/4 mile .bet plastic would serve that purpose.
    LED's have gotten too bright in our stuff. Many nights I'm awakened by my modem lights blinking.had help with my sig thank you for your help.

  5. #5
    *Flashaholic* jtice's Avatar
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    Default Re: Looking for Ideas on Plastic Canoe Re-Enforcement & Repair.

    Do you have a Dicks Sporting Goods near you?
    They have a Pelican (Coleman) Colorado Canoe for under $300.
    Its about 78 lbs
    Best bang for the buck I found, if you are wanting a new one.

    ~John

  6. #6

    Default Re: Looking for Ideas on Plastic Canoe Re-Enforcement & Repair.

    i get there add so im sure we have one.id love to have a canoe i live so closeto lake lanier.i walk down there every night wishing i had a canoe.i dont drive so it may even have to be lighter then 78 lbs.guess it maters how well they balance on sholder.maybe i need a kayak i bet there lighter?
    LED's have gotten too bright in our stuff. Many nights I'm awakened by my modem lights blinking.had help with my sig thank you for your help.

  7. #7
    *Flashaholic* jtice's Avatar
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    Default Re: Looking for Ideas on Plastic Canoe Re-Enforcement & Repair.

    yea, for one person it would kinda suck, it can be awkward, being that long.

    Sure Kayaks can be very very light, and much much smaller,
    they are just harder to keep upright in the water

    ~John

  8. #8

    Default Re: Looking for Ideas on Plastic Canoe Re-Enforcement & Repair.

    forgot to mention if i understand corectly im like 2 miles from where the 96 olympics kayak races was.i still see people raceing thease long kayaks with lots a people in em http://www.lckc.org/
    LED's have gotten too bright in our stuff. Many nights I'm awakened by my modem lights blinking.had help with my sig thank you for your help.

  9. #9
    Thread Killer Illum's Avatar
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    Default Re: Looking for Ideas on Plastic Canoe Re-Enforcement & Repair.

    have you considered wire mesh and duct tape?

    fiberglass repair kits are indeed expensive...but unless your at risk of hull breach I suppose duct tape might work, but the color wont look right

  10. #10
    Administrator Norm's Avatar
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    Default Re: Looking for Ideas on Plastic Canoe Re-Enforcement & Repair.

    Quote Originally Posted by raggie33 View Post
    i walk down there every night wishing i had a canoe.i dont drive so it may even have to be lighter then 78 lbs.guess it maters how well they balance on sholder.maybe i need a kayak i bet there lighter?
    Check out this google search http://www.google.com.au/search?hl=e...G=Search&meta= for lots of options to add wheels to you canoe for easy transport.
    Norm

  11. #11
    Flashaholic* DUQ's Avatar
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    Default Re: Looking for Ideas on Plastic Canoe Re-Enforcement & Repair.

    Gaffer tape would just peel off. How about truck bed liner Hippo Liner or Chip Guard
    LED's impress but Incans satisfy

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    Flashaholic* greenlight's Avatar
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    Default Re: Looking for Ideas on Plastic Canoe Re-Enforcement & Repair.

    how about a picture of your canoe?

  13. #13
    *Flashaholic* jtice's Avatar
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    Default Re: Looking for Ideas on Plastic Canoe Re-Enforcement & Repair.

    Yea, suppose that would help.
    How about a few?


    Right now I am testing some rubberized truck undercoating.
    It would be perfect, but I dont think its going to stick.

    Some other good options mentioned here, thanks guys.
    ~John

  14. #14

    Default Re: Looking for Ideas on Plastic Canoe Re-Enforcement & Repair.

    sweet canoe dude.bet its a blast to explore in it. hey i like the rhino liner sugestion the best.i wonder also about useing rope or bungy to strap some streofoam to it will work. i know it will break of but it should protect ya canoe i guess
    LED's have gotten too bright in our stuff. Many nights I'm awakened by my modem lights blinking.had help with my sig thank you for your help.

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    Flashaholic* MoonRise's Avatar
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    Default Re: Looking for Ideas on Plastic Canoe Re-Enforcement & Repair.

    Ah, a square-back canoe. Ummm, I think you have a little too much weight in the stern.

    Plastic is not just plastic, there are many many different plastics. And they behave differently, to varing degrees.

    If it polyethylene, not much will stick to that plastic. Short of some expensive industrial epoxy, and even that is iffy. That's one of the trade-offs for a plastic hull, repair is iffy. The fiber-composite hulls (fiberglass or Kevlar) are more repairable because the fiber materials and resins/adhesives work together to make the hull in the first place.

    Skip the 'attempts' and just get the hull repair/reinforcement kit. For that you usually get an attempt at the proper adhesive and some kevlar cloth (for keel or bow wear-strips or gouge/hole repair)).
    Mike

    EDC: HDS U60GT with RCR123, guilt-free lumens!
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  16. #16
    *Flashaholic* jtice's Avatar
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    Default Re: Looking for Ideas on Plastic Canoe Re-Enforcement & Repair.

    That second photo does make it look extremely stern heavy.
    But with two people in the boat it actually sits in the water quite well.
    We didnt have any issues with the edge of the boat going below water level.

    I tested some 2 part 5 minute epoxy that I use alot,
    it seems to stick just fine, but then it sticks to everything.
    So it should be fine for repairs at least.
    The rubberized truck undercoating I tried doesnt seem to want to dry for some reason, and is not sticking very well at all.

    We may end up biting the bullet and getting some of the kevlar stuff, it has to help some I would think.

    ~John

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    Flashaholic* BIGIRON's Avatar
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    Default Re: Looking for Ideas on Plastic Canoe Re-Enforcement & Repair.

    Most of the canoes/kayaks are made of some type of proprietary material, even differing materials in different models of the same brand. I would check with the manufacturer and use what they recommend. Even tho pricey, it may be cheaper in the long run.

    There are several different grades of utility (duct) tape. You get what you pay for. The best seems to be the black that comes from a pro air/heating supply house. I helps to clean and heat the material before applying the tape.

    Silver tape and nylon wire ties -- the urban equivalent of baleing wire. Don't leave home without them.

    edit BTW - we have a Coleman squareback canoe that we run most of the time with an electric motor. I put the batt under the front seat and run 8ga lines (an old jumper cable) to the motor. Helps with the 100lb weight differential between wife/me.
    Last edited by BIGIRON; 06-19-2007 at 07:23 PM.

  18. #18
    *Flashaholic* jtice's Avatar
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    Default Re: Looking for Ideas on Plastic Canoe Re-Enforcement & Repair.

    BIGIRON,

    We may still try some kinda of industrial tape.
    I was thinking of trying Gorilla tape first, and as you said, heating things up nice before applying it.

    At any rate, some good tape, some epoxy, and some zip ties are definately going to be in the "tool" kit.

    Good idea about placing the battery up front.
    We even thought about that with our gas can.
    But the hose was not really long enough, and I was not all that happy with the idea of a pressurized gas tank up front, spraying fuel back on me and the motor as I was heading down river.

    ~John

  19. #19

    Default Re: Looking for Ideas on Plastic Canoe Re-Enforcement & Repair.

    Cool thread! Now I can give suggestions for your canoe here as well as in the other thread about what light to use.

    How about creating some sort of bumper for it out of PVC pipe? Perhaps JB Weld (I've used the JB "Stik") or Duracoat would do something. JB Weld is basically steel epoxy, so it doesn't flex like the plastic, but if you roughen your surface, you can push the stuff in and it'll grab on pretty well. Duracoat is used to coat firearms, but I've never used it, so I don't know how well it would work (if at all) for this.

    http://jbweld.net/products/index.php
    http://www.lauerweaponry.com/

  20. #20
    *Flashaholic* jtice's Avatar
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    Default Re: Looking for Ideas on Plastic Canoe Re-Enforcement & Repair.

    Hello again Tiger :waves:

    We are also thinking about the Duracoat type stuff, bed liners, etc.
    But we are worried they are too thin, and too brittle.
    Though I am not sure what bed liner is like, maybe it isnt as brittle as I think.

    For some reason, the rubber undercoating I am testing STILL isnt totally cured.
    I have a small fan blowing on it now also.
    Not sure if its an old can, or what.
    I dont have much faith in it though.
    Shame, it goes on nice and thick, and would protect it very well.

    ~John

  21. #21

    Default Re: Looking for Ideas on Plastic Canoe Re-Enforcement & Repair.



    Yeah, the Duracoat is sprayed on, so it would probably be too thin, although Lauer says that Duracoat is great because of its elasticity, so I don't know how much "give" it would or wouldn't have.

    How about this: apply a sort of mosaic-tile pattern of JB Stik in small hexagonal (or octagon and square, or any other repeating pattern) patches around 2" across, with very thin gaps in between, like a tortoise shell. This could give some protection against bumps while still letting the plastic body flex on impact. Plus, it would add some "tacticool bling" to your canoe!

  22. #22

    Default Re: Looking for Ideas on Plastic Canoe Re-Enforcement & Repair.

    If your canoe IS polyethylene you're going to have a devil of a time finding something that'll stick. Superglue bottles are made out of polyethylene for a reason. You might try something like Plasti-Dip (they have several products) or some some sort of RTV silicone. You might have to brush or spray whatever you choose on and let it cure to form a pad, then use duct tape to actually hold the form-fitted pad in place. The Plasti-Dip is available at Home Depot, Lowes, Ace Hardware and the like; the silicone at any auto parts store. Good luck, and please post pics of whatever you wind up with.



    Edit: There's also lots of stuff similar to the RTV silicone in the caulking section of the big box stores for much less $$ than the automotive grade stuff. Not like yours will need to stand up to 250 degrees F and oil or fuel. Good luck.
    Last edited by Diesel_Bomber; 06-20-2007 at 01:06 AM. Reason: Need more sleep, I SWEAR I used preview post.
    Got Biodiesel?

  23. #23

    Default Re: Looking for Ideas on Plastic Canoe Re-Enforcement & Repair.

    Quote Originally Posted by jtice View Post
    The rubberized truck undercoating I tried doesnt seem to want to dry for some reason, and is not sticking very well at all.
    In my experience that stuff never does dry. I don't think it's supposed to.

    Spray/roll-on bedliner on the other hand is some pretty tough stuff, or you could consider Gorilla Glue mounted angle-iron on the bow if you needed something really tough (icebreaker style).

  24. #24
    Flashaholic* BIGIRON's Avatar
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    Default Re: Looking for Ideas on Plastic Canoe Re-Enforcement & Repair.

    I was wondering about that "classic" motor. If it uses a pressurized tank it's from the '50's or so????? Very nice.

    edit - if your canoe is polyethelene, I'll bet a repair kit for an RV holding/water tank would work. Any RV dealer should have one.

    One of the downsides of the RamX is that it will "hold" on rocks instead of sliding as will aluminum or hard gelcoat.
    Last edited by BIGIRON; 06-20-2007 at 01:21 PM.

  25. #25
    *Flashaholic* jtice's Avatar
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    Default Re: Looking for Ideas on Plastic Canoe Re-Enforcement & Repair.

    Yep, you guessed right.

    It is a Johnson CD-14 5.5 HP made in 1957
    Amazing, they just dont makem like they used to
    More about it here, http://www.jtice.com/blogs/boat_3-19-07/index.htm

    ~John

  26. #26
    Flashaholic* BIGIRON's Avatar
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    Default Re: Looking for Ideas on Plastic Canoe Re-Enforcement & Repair.

    Great blog post. You were indeed fortunate to find that engine in that condition. It's too nice to use!

    Helpful hint #1 - if you haven't laid in a supply of the proper size shear pins and cotter pins, do so. You obviously play around rocky rivers, so you will shear a pin sooner or later. You might want to stash pliers (or, this being CPF, a multitool) permanently to the boat or motor.

    #2 We use 5 or 7 gallon plastic buckets (standard paint type) with screw-on sealing tops (from Sportsmans Guide) for our canoe/boat camping. Holds backpacking stuff just fine. Lash them to the boat just in case, but they will float. You can use them for seats at camp, carry water, firewood, etc. (Also use them to store our dry dogfood at home. Keeps food fresh and varmints out)

  27. #27
    *Flashaholic* jtice's Avatar
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    Default Re: Looking for Ideas on Plastic Canoe Re-Enforcement & Repair.

    Yea I know, we just love the motor, and I am usually not into the older stuff, I am a new tech junky
    Its funny, the motor is 50 years old, and we know its gonna out last the boat LOL

    We did get a couple pins with it, and to tell you the truth, we have no damn idea where they go LOL
    Are they for the drive shaft?
    The motor mount tilts, and has a lock, we keep it UNlocked,
    so that if the motor hits something, it can just swing out, instead of being LOCKED to the boats stern.

    Great idea with the paint buckets !!!!!
    Closet thing I can find to what you described are these.
    http://shop.sportsmansguide.com/cb/cb.asp?a=328956

    But I dont think that is what you are talking about, I dont think its water tight.

    ~John

  28. #28
    *Flashaholic* jtice's Avatar
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    Default Re: Looking for Ideas on Plastic Canoe Re-Enforcement & Repair.

    ahhh wait, were you referring to these?

    http://shop.sportsmansguide.com/cb/cb.asp?a=266012

  29. #29
    Flashaholic* BIGIRON's Avatar
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    Default Re: Looking for Ideas on Plastic Canoe Re-Enforcement & Repair.

    Yes, the second ones.

    The shear pins go through the prop hub and the prop shaft. When you hit a rock or something, they break instead of the prop. They do fatigue and get weaker with use. Running with the tilt unlocked will help protect the lower unit, but really won't protect the prop.

    NOW is the time to practice replacing one, not on the river. At night. In the rain.

  30. #30
    *Flashaholic* jtice's Avatar
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    Default Re: Looking for Ideas on Plastic Canoe Re-Enforcement & Repair.

    Thanks alot for the tips.
    I will check out those sheer pins for sure.

    ~John

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