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Thread: Foam Flotation

  1. #1
    Join Date
    Jan 2001
    Location
    St. Simon\'s Island, GA, USA
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    5,886

    Default Foam Flotation

    I am looking for foam flotation for the Ohio Sharpie. Best for me would be flexible, closed cell foam in sheets, 4 inches by two feet by eight feet. It will be exposed to weather. Dark green would be nice but I could paint it with latex paint, the same paint I used on the hull.

  2. #2
    Join Date
    Jan 2000
    Location
    Cushing, Maine
    Posts
    4,033

    Default Re: Foam Flotation

    Check with a packaging supplier, industry uses ethafoam. It's somewhat flexible. Kayakers and canoists use minicell foam which is more expensive and more flexible for outfitting. Northwest River Supply may have it. I've seen people paint foam floation with liquid industrial advesive, not sure what kind. It gave a nice canvas like texture that could be painted.
    Ben Fuller
    Ran Tan, Liten Kuhling, Tipsy, Tippy, Josef W., Merry Mouth, Imp, Macavity, Look Far, Flash and a quiver of other 'yaks.
    "Bound fast is boatless man."

  3. #3
    Join Date
    Jul 2020
    Location
    Norwich, Norfolk, UK
    Posts
    307

    Default Re: Foam Flotation

    Quote Originally Posted by Ben Fuller View Post
    Check with a packaging supplier, industry uses ethafoam. It's somewhat flexible. Kayakers and canoists use minicell foam which is more expensive and more flexible for outfitting. Northwest River Supply may have it. I've seen people paint foam floation with liquid industrial advesive, not sure what kind. It gave a nice canvas like texture that could be painted.
    Yep, that's good stuff, I put a block in a bucket of water over a weekend, held down by a brick.. No water absorption..floats very high..

    I'm lucky I'm getting 10inch by 8 inch by 3 inch punch outs from the company I work for. The stuff arrives in big sheets with these punch outs in place, they remove them and then insert very expensive electronics (up to 150,000). I'll be sticking it down (up actually under the side decks) or bagging it to push up into the bows and stern..
    Just an amateur bodging away..

  4. #4
    Join Date
    Jun 2000
    Location
    Madison Wisconsin
    Posts
    9,826

    Default Re: Foam Flotation

    Just curious, but why does it need to flex?

  5. #5
    Join Date
    Dec 2003
    Location
    Sound Beach, NY
    Posts
    4,413

    Default Re: Foam Flotation

    Perhaps to fit a curve in the hull?

  6. #6
    Join Date
    Jan 2001
    Location
    St. Simon\'s Island, GA, USA
    Posts
    5,886

    Default Re: Foam Flotation

    Quote Originally Posted by johngsandusky View Post
    Perhaps to fit a curve in the hull?
    Yes. I will be tucking it behind the risers and up under the comings to the underneath side of the side decks. It needs to follow the curvature of the sides.

  7. #7
    Join Date
    Dec 2016
    Location
    EU
    Posts
    836

    Default Re: Foam Flotation

    XPS, kerfed with a saw or shaped to fit the hull. Much cheaper then the PET foams.

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