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Thread: Primaloft?

  1. #21
    Prefers life at 12 MPH. FLRider's Avatar
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    Quote Originally Posted by JC77 View Post
    Okay, my mind is BLOWN! Can I get a condensed version in english? I'd like to make a "pod" for my hammock. My desired temp rating is about 15 degrees. Based on the potential vapor barier properties of Insultex it was recommended I use Primaloft of Climashield. Can someone provide support for this guy? Thank you.
    To get your rating, take the temperature desired and subtract from 84* F. (So, for 15* F, that would be 84 - 15 = 69.)

    Divide this temperature by 14*--the amount of temperature drop that 1 CLO gets you--to get the CLO needed to reach that temperature. (For 15*, that would be 69 / 14 = ~4.93.)

    Divide this CLO number by the CLO/oz/sq yd rating of your insulation (for Climashield APEX, the only one I remember offhand, that's 0.82/oz/sq yd). (For 15*, with APEX, that would be 4.93/0.82 = ~6.01 oz/sq yd. So, 6 oz/sq yd APEX [or two 3 oz/sq yd layers sewn together] should get you to 15*.)

    Note that the above doesn't take humidity effects, wind, hot/cold sleepers, or drafts into account. It assumes a "perfect" system. But, it's a good ballpark.

    Hope it helps!
    "Just prepare what you can and enjoy the rest."
    --Floridahanger

  2. #22
    New Member JC77's Avatar
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    Quote Originally Posted by FLRider View Post
    To get your rating, take the temperature desired and subtract from 84* F. (So, for 15* F, that would be 84 - 15 = 69.)

    Divide this temperature by 14*--the amount of temperature drop that 1 CLO gets you--to get the CLO needed to reach that temperature. (For 15*, that would be 69 / 14 = ~4.93.)

    Divide this CLO number by the CLO/oz/sq yd rating of your insulation (for Climashield APEX, the only one I remember offhand, that's 0.82/oz/sq yd). (For 15*, with APEX, that would be 4.93/0.82 = ~6.01 oz/sq yd. So, 6 oz/sq yd APEX [or two 3 oz/sq yd layers sewn together] should get you to 15*.)

    Note that the above doesn't take humidity effects, wind, hot/cold sleepers, or drafts into account. It assumes a "perfect" system. But, it's a good ballpark.

    Hope it helps!
    Yes it does, thank you!
    "Hanging is soul therapy" -Jeff

  3. #23
    Senior Member ibgary's Avatar
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    Decisions, decisions.
    I think if I still have a job in Feb ill buy, if not ill diy.

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