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  1. #1
    Shewie's Avatar
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    Mist and fog, down getting damp

    What do folks use to combat the effects of mist and fog drifting through your setup and getting your downy kit damp?

    Last weekend when I was doing some canoe training our last day/night was enveloped in a thick fog, luckily it was the last night of the trip but if it had been any longer then eventually my quilts would have been pretty wet.

    I use a ripstop weather shield underneath which helped a bunch but what else can I try? My BB seemed to catch a lot of it, the 1.1 panel under the mossie net was getting very damp and felt cold to the touch.

    I had my doors on my SF completely closed off but it didn't have much effect, sitting in my hammock with the headtorch on I could see the fine vapour drifting by.

    I don't really fancy the idea of a top shield as I like to be able to see out, any other options?

  2. #2
    Senior Member JohnSawyer's Avatar
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    Why not a partial top-shield? Or a simple piece of DWR to cover your top quilt?

    My first cover/weather shield was a piece of 1.1 DWR ripstop I kept in place with safety pins... You could set it up to cover the bottom half of your BB...


    I've never been in fog that heavy, though...

    John
    "Do or do not, there is no try." -- Yoda


  3. #3
    AaronAlso's Avatar
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    Well it's not vapor it's condensate. I really doubt any amount of DWR is going to protect your down in those conditions. Commonly, fog is the worst possible condition for keeping anything dry. Fog creeps into every nook & cranny. As soon as you take out your down and fluff it the fog has already penetrated. (down expands, creates low pressure zone inside quilt, moist air outside moves in to equalize pressure, your down is already wet) once you lay on it and heat that air inside up the water begins to fall outta the air like rain, inside your quilt, and the DWR just holds it in there.

    That's how I understand it anyway. It sure seems like if you live an area with extra fog or are visiting an area known for it's fog you should suck it up and carry those synth quilts. If you're out and experience extreme fog, with only your down insulation, hope it clears up and the sun comes out so you can dry your stuff off.

    Trying to keep the fog out is a battle you can't win.
    "The more laws that are written, the more criminals are produced." - "The more laws and order are made prominent, the more thieves and robbers there will be." - Lao Tze

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  4. #4

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    Now you know why I'm considering a synthetic quilt set. ;-) The only other option I know of is a wood stove to heat the area under the tarp as in winter camping. At least I've seen it work in boats and big tents. ;-)

  5. #5
    Peter_pan's Avatar
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    JRB Weather Shield moded DDPs are breathable yet waterproof and when around a UQ or TQ do not allow for any fog / mist to get to quilts...

    http://www.jacksrbetter.com/DriDucksPoncho.htm... scroll down.

    Pan
    Ounces to Grams.

    www.jacksrbetter.com ... Largest supplier of camping quilts and under quilts...Home of the Original Nest Under Quilt, and Bear Mountain Bridge Hammock. 800 595 0413

  6. #6
    Herder of Cats OutandBack's Avatar
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    Quote Originally Posted by Shewie View Post
    What do folks use to combat the effects of mist and fog drifting through your setup and getting your downy kit damp?

    Last weekend when I was doing some canoe training our last day/night was enveloped in a thick fog, luckily it was the last night of the trip but if it had been any longer then eventually my quilts would have been pretty wet.

    I use a ripstop weather shield underneath which helped a bunch but what else can I try? My BB seemed to catch a lot of it, the 1.1 panel under the mossie net was getting very damp and felt cold to the touch.

    I had my doors on my SF completely closed off but it didn't have much effect, sitting in my hammock with the headtorch on I could see the fine vapour drifting by.

    I don't really fancy the idea of a top shield as I like to be able to see out, any other options?
    Stopping it all probably is impossible but like the Breathable UQP provides a surface for it to collect on, protecting what's inside, a top cover of some sort would do the same thing. Since you have a BB the Arrowhead BBO cover should do the trick or just draping anything over your hammock's RL should help.
    I really wish Arrowhead or 2QZQ would offer a breathable top cover for those of us that do not use a warbonnet BB.
    O&B
    May your mileage in the backcountry exceed your post count.

  7. #7
    Senior Member
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    I pull the tarp all the way down until it's touching the ground. Should be easy to try with your Superfly. Close the doors tight.

    S

  8. #8
    Senior Member Jason in Tn's Avatar
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    If it is that foggy and wet it will be impossible to keep any thing dry. I have been out in that type weather a lot and even high end Patagonia rain gear will not keep you dry. The air that damp will get into any thing that is not sealed 100% air tight. A synthetic bag will get wet too but will keep you warmer I would think than a wet down bag would.

    Jason

  9. #9
    sargevining's Avatar
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    Had that happen two nights in a row at the HHHNGNGHHH last weekend. I used a cast off Crazy Creek Crib hammock as an undercover and pulled the tarp close and it worked OK.

  10. #10
    MAD777's Avatar
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    Burn a couple of candles under the tarp if it's not windy, which it's usually not if it's foggy. It's amazing how much heat is put out and it may be just enough to lower the condensation.
    Mike
    "Life is a Project!"

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