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  1. #11
    sclittlefield's Avatar
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    Being that Insultex is, for all intents and purposes, a vapor barrier - anyone have any thoughts about two layers of I-tex w/space blanket in between as an UQ, or UQ extender?
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  2. #12
    in it for the naps oldgringo's Avatar
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    Quote Originally Posted by sclittlefield View Post
    Being that Insultex is, for all intents and purposes, a vapor barrier - anyone have any thoughts about two layers of I-tex w/space blanket in between as an UQ, or UQ extender?
    If, in fact, the I-tex is a vb, and I'm not sure that it is, wouldn't the sb be redundant?
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  3. #13
    sclittlefield's Avatar
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    Quote Originally Posted by oldgringo View Post
    If, in fact, the I-tex is a vb, and I'm not sure that it is, wouldn't the sb be redundant?
    I don't think so. I think the heat reflecting properties of the space blanket could boost the overall effectiveness. I could be wrong.

    So far, the only breathability of the Insultex that I've been able to find is where it's sewn through. Beyond that it just seems to be a high grade, very thin ccf of some sort.
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  4. #14
    in it for the naps oldgringo's Avatar
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    Quote Originally Posted by sclittlefield View Post
    I don't think so. I think the heat reflecting properties of the space blanket could boost the overall effectiveness. I could be wrong.

    So far, the only breathability of the Insultex that I've been able to find is where it's sewn through. Beyond that it just seems to be a high grade, very thin ccf of some sort.
    Mac noticed no condensation when he wore his Itex shirt...that's not consistent with a true vb...makes a boy wonder.
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  5. #15
    Senior Member TiredFeet's Avatar
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    Quote Originally Posted by sclittlefield View Post
    Being that Insultex is, for all intents and purposes, a vapor barrier - anyone have any thoughts about two layers of I-tex w/space blanket in between as an UQ, or UQ extender?
    This statement really puzzled me. In our experience with Insultex Bridge Hammock (3 layers sewn to the underside of a Bridge with DWR outside) we had pretty much concluded that it is definitely not a vapor barrier.

    Just to check I just went down to the basement and picked up a scrap piece and tested by trying to breath through it. Purposely picking a section not pierced by the quilting.

    No problem in breathing through it.

    It most definitely is not a vapor barrier.
    Last edited by TiredFeet; 12-14-2009 at 12:35.

  6. #16
    sclittlefield's Avatar
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    Quote Originally Posted by TiredFeet View Post
    This statement really puzzled me. In our experience with Insultex Bridge Hammock (3 layers sewn to the underside of a Bridge with DWR outside) we had pretty much concluded that it is definitely not a vapor barrier.

    Just to check I just went down to the basement and picked up a scrap piece and tested by trying to breath through it. Purposely picking a section not pierced by the quilting.

    No problem in breathing through it.

    It most definitely is not a vapor barrier.
    Interesting. Very interesting. Looks like I may have been wrong there.

    I think I was going by the ccf nature of the material and the water test someone did with it (none passed through) and assumed it was a VB. I just haven't had a spare moment yet to play with the stuff myself.

    If it is in fact a breathable material, it's definitely jumped up a few notches on my scale.

    Thanks for the breath test TiredFeet.
    Last edited by sclittlefield; 12-14-2009 at 16:57. Reason: clarification
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  7. #17
    MacEntyre's Avatar
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    Quote Originally Posted by sclittlefield View Post
    If it is in fact a breathable material, it's definitely jumped up a few notches on my scale.
    Mine too... but I can't tell if it is breathable or not!

    - MacEntyre
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  8. #18
    MacEntyre's Avatar
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    IX is microperforated as well as quilted

    Just found out that both microperforation and quilting make IX breathable.

    - MacEntyre
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  9. #19
    sclittlefield's Avatar
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    Quote Originally Posted by MacEntyre View Post
    Just found out that both microperforation and quilting make IX breathable.

    - MacEntyre
    Excellent! Thanks for getting that info.
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  10. #20
    MacEntyre's Avatar
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    FYI, I'm thinking of buying another roll of IX after the first of the year. I figured up what it cost me to do the first one, and decided that $5 per yard is a good price.

    - MacEntyre
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