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  1. #1
    Member Chethro's Avatar
    Join Date
    Dec 2008
    Location
    WV
    Hammock
    Claytor JH, Speer MS, Warbonnet BB
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    Claytor, Speer cat
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    3/8" Volara foam
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    50

    Silnylon or urethane coated

    When you touch a wet tarp from the inside will silnylon or the urethane coated nylon taffeta pass the moisture?

    I'm trying to decide if I should go with the more expensive McCat or Warbonnet Big mambajamba or a cheaper urethane coated rectangular type. I probably won't be camping in the winter.

  2. #2
    Senior Member Just Jeff's Avatar
    Join Date
    Oct 2006
    Location
    Charlottesville, VA
    Hammock
    Blackbird
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    MacCat Standard
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    Winter Yeti, MWUQ4
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    Whoopie Slings
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    8,012
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    32
    Sil can pass moisture if it has pressure on it...that usually doesn't happen under normal use, but if you have something pressing on the tarp it can soak thru. Very heavy rains can sometimes mist thru but it's not really a problem...that's why most people use it.

    Urethane coated is heavier so it's less susceptible to this. It can also delaminate over time, which sil doesn't do.
    “Republics are created by the virtue, public spirit, and intelligence of the citizens. They fall when the wise are banished from the public councils because they dare to be honest, and the profligate are rewarded because they flatter the people, in order to betray them.” ~Judge Joseph Story

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  3. #3
    Senior Member Cannibal's Avatar
    Join Date
    May 2007
    Location
    Denver, CO
    Hammock
    Warbonnet ON!
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    SuperFly or MacCat
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    Yetis & Mambas
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    Webbing and rings
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    13,919
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    136
    Oh yeah, sil will pass thru moisture; extremely irritating when it's cold and wet out and you've got nice warm, dry clothes on as you climb into your hammock.

    Go with the 'more expensive' options if you are even kind of concerned with long life and weight. Just be aware that you will, at some point, be mad at any tarp you buy; nature of the beast. If you feel like spending a little more coin, Brian (OES-MacCat) will make you a tarp of Spinntex. Oh man is this stuff sweet! You won't have to worry about moisture pass-thru, crazy lightweight, and so far, very durable.
    Trust nobody!

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