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  1. #11
    MacEntyre's Avatar
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    Quote Originally Posted by ikemouser View Post
    PE + Cuben = revolution?
    One thing at a time! (but that is next!)

    Quote Originally Posted by John Sawyer
    Good to know! I've seen similar looking foams sold as laminate floor underlayment, though it's thicker...
    The plant that provides PEF for me makes a lot of pads for laminate flooring.

    Quote Originally Posted by John Sawyer
    Thoughts: Since the IX is quilted, which makes it somewhat vapor permeable, could you needle-punch the foam to get similar results...
    I have that on a list of things to ask the manufacturer. Their plant is a finishing facility, so that's the kind of thing they do.

    Quote Originally Posted by John Sawyer
    or use a quilting machine to attach the nylon cover, essentially replicating IX without the scrim?
    I have thought about that, but I want less attachment, to allow more gaps. The insulation needs to float free, inside the nylon.
    "We must, indeed, all hang together or, most assuredly, we shall all hang separately." - Ben Franklin
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  2. #12
    canoeski's Avatar
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    Mac, I thought IX was supposed to be somewhat breathable. (which surprised me)

    I'm loving my Baby Orca, but waiting to post more impressions until the colder weather arrives. So far my low temp was 45F.
    Not all who wander are lost.

  3. #13
    MacEntyre's Avatar
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    Quote Originally Posted by canoeski View Post
    Mac, I thought IX was supposed to be somewhat breathable. (which surprised me)
    Yes, IX is breathable. Not very breathable, but technically it is breathable.

    I have thought about ways to make PEF breathable, besides needle punching. The one I might try first is to make longitudinal overlapping layers, where the overlap is not stitched together. Those overlaps could be integrated with a pleat for loft.

    Quote Originally Posted by canoeski View Post
    I'm loving my Baby Orca, but waiting to post more impressions until the colder weather arrives. So far my low temp was 45F.
    That's great!

    And no one confuses your Baby Orca with an adult diaper, right?
    "We must, indeed, all hang together or, most assuredly, we shall all hang separately." - Ben Franklin
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  4. #14
    BillyBob58's Avatar
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    Quote Originally Posted by canoeski View Post
    Mac, I thought IX was supposed to be somewhat breathable. (which surprised me)

    I'm loving my Baby Orca, but waiting to post more impressions until the colder weather arrives. So far my low temp was 45F.
    Canoeski, I used my "SS" 2 layer version this weekend at about the same temps as you. I seemed to do a good bit better than on previous attempts, I suspect because I have learned to make it "fit better".

    But now this PEF is throwing another very interesting option into the mix.
    For I consider that the sufferings of this present time are not worthy to be compared with the glory that is to be revealed to us....that the creation itself also will be set free from its slavery to corruption into the freedom of the glory of the children of God. For we know that the whole creation groans and suffers the pains of childbirth together until now.
    Romans 8:18,21-22

  5. #15
    MacEntyre's Avatar
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    I received the following from someone who is trying to decide what to buy:
    Still trying to decide... The new PE change has created an additional pause.
    Thee is no reason to pause.

    I'm testing PEF UQs now, while continuing to produce IX UQs made with Insultex. PEF probably won't affect the price, because labor is the dominant cost, but it will make the UQs a bit lighter. Who knows which will work best? We may stick with Insultex!

    The reasons for testing PEF are 1) to see if a commodity can replace a proprietary component in Molly Mac Gear, and 2) if it works, then DIY makers will find it far easier to obtain than Insultex. PEF is made in many places in the US. All Insultex is made in one plant located in Korea.

    If you are thinking of purchasing an IX UQ, go for it! You won't be able to tell much difference between an IX UQ and a PEF UQ.

    - MacEntyre
    "We must, indeed, all hang together or, most assuredly, we shall all hang separately." - Ben Franklin
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  6. #16
    Senior Member
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    Is PE foam the stuff that i'd have gotten as protective packing sheets -- once with certainteed vinyl shingle, and once with some window shades? I've been wearing it for a couple of years under a jacket and tucked into my pants (yes, not a diaper) as an informal booster for my mid-winter under-insulation system with great success. Never had a clue about R value. For what it's worth, I've folded/rolled/crunched it many times without degrading the sheet.

  7. #17
    Senior Member Lonely Raven's Avatar
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    Quote Originally Posted by MacEntyre View Post
    IMPORTANT ANNOUNCEMENT


    What got me interested in PE is a comment from Ed Speer last spring. He said, if PE based Insultex is essentially a vapor barrier, why not use PE foam instead, since it is much less expensive?
    Quote Originally Posted by MacEntyre View Post
    One thing at a time! (but that is next!)


    The plant that provides PEF for me makes a lot of pads for laminate flooring.

    Funny how all this comes together. I just got 2 yards of IX out of the For Sale section, just to see what the stuff is like, and I happened to be installing laminate wood flooring with foam under it, and I was coming to the same conclusions as Ed. This is serendipitous and possibly fortuitous that I'm thinking the same thing as you're making and testing it.

    I look forward to seeing what conclusions you come up with, as I need to build up my UQ and TQ setup for my new Blackbird.

  8. #18
    MacEntyre's Avatar
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    That's the same stuff, Lazarus!

    Certainly sounds serendipitous and possibly fortuitous to me, Lonely Raven!
    "We must, indeed, all hang together or, most assuredly, we shall all hang separately." - Ben Franklin
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  9. #19
    Senior Member SGT Rock's Avatar
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    Aint this the same thing that they use to pack stuff for shipping?
    NO SNIVELING!
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  10. #20
    Senior Member SGT Rock's Avatar
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    Quote Originally Posted by MacEntyre View Post
    it will make the UQs a bit lighter...

    - MacEntyre
    You got my attention with that line.
    NO SNIVELING!
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