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  1. #1
    Member JCothran's Avatar
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    Type 14 (soft) tyvek down proof?

    Or primaloft proof to be exact. Has anyone used it for underquilt shell?

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    I'm positive Primaloft would be fine.
    And I'm pretty sure that if water can't fit through Tyveks non-woven structure, down can't either. Probably, maybe.

    The usual concern with Tyvek is it's durability. But an underquilt shouldn't take too much of a beating.

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    dragon360's Avatar
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    Is there a particular reason you would choose tyvek over 1.1 ripstop?
    The key to immortality is first living a life worth remembering. - St. Augustine

    Some people feel the rain. Others just get wet.
    - Bob Marley

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    in it for the naps oldgringo's Avatar
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    Tyvek is not breathable enough for a quilt. Don't go there.
    Dave

    http://www.uark.edu/misc/xtimber/rna/pattonsbluff.html

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  5. #5
    Member JCothran's Avatar
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    Thanks. I had a line on some free type 14. And was thinking of some uses for it.
    But I lost out on it anyway. Soft structure tyvek is very breathable. Much more so than calendered nylon. Also I was using some scraps from some old tyvek clean suits to practice sewing on. And I noticed it did seam like it would tear pretty easy at the seams. I wouldn't want to have a taped together underquilt.

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