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16989Re: space blankets/condensation

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  • Dave Womble
    Feb 22, 2007
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      --- In hammockcamping@yahoogroups.com, "Jeff Ross"
      <jlross_tijeras@...> wrote:
      > So how about putting the space blanket under your sleeping bag/pad?
      > Does that keep you a lot warmer from underneath?

      It depends on how you are using it and what you are using it with. A
      space blanket is a radiant reflector and a vapor barrier as well. If
      you are talking about staying warm, it is one thing, if you are
      talking about keeping the hot sun off of you and staying cool, it is
      something else.

      When you are backpacking comfortably in cool weather, you usually
      aren't getting much help from a radiant reflector. It takes large
      differences in temperatures and a space that radiant energy can
      traverse for a radiant reflector to do much and you probably won't be
      comfortable in that senario, you might live through it but not

      A vapor barrier is different and in the right conditions they work
      great, it the wrong conditions they can be a problem. You have to
      understand how they work and use them to work for you or at least
      limit how much they work against you in conditions where you don't
      really want them so that you don't have a problem with them. But in
      the brief description you gave, your pad is likely a vapor barrier
      itself and the space blanket wouldn't do anything for you at all if
      it is laying against your pad.

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