[at-l] tyvek sleeping - a tale of 4 nights

[lwbooher@halifax.com (Leslie Booher)]

What a wet blanket!  (ducking and running...)  anklebear

----- Original Message -----
From: W F Thorneloe <thornel@attglobal.net>
To: Jonathan Hartford <jon@outland.net>
Cc: Delita Wright <delita@mindspring.com>; atl
<at-l@mailman.backcountry.net>
Sent: Wednesday, January 02, 2002 4:44 PM
Subject: Re: [at-l] tyvek sleeping - a tale of 4 nights


> A few years ago, there were many threads regarding the use of Tyvek for
> just about everything. The prototypes of the Nomad tents were Tyvek, which
> I enjoyed borrowing once. I believe the reason Tyvek is not used is
greater
> weight than silnylon, as Tyvek would allow water thru if you set it on a
> puddle (yep, I did that - once) even though the Tyvek had less
condensation
> problems. I think Tyvek actually does a pretty good job with breathing,
but
> I'd suspect that a Tyvek envelope would still have some risk of
> condensation and wetting a sleeping bag. You could probably make a Tyvek
> bivy with hoops to keep the "envelope" away from the bag. But I'd suspect
> it would be heavier than other bivys.
>
> OrangeBug
>
> At 03:13 PM 1/2/2002 -0500, Jonathan Hartford wrote:
> >On Tue, Jan 01, 2002 at 02:32:41AM -0500, Delita Wright wrote:
> >[snip]
> > >
> > > Has anyone thought of making a kinda tyvek envelope in the shape of a
> > ground
> > > cloth?  Then you could sleep *on* it on warmer nights and *in* it for
> > colder
> > > nights?  Maybe just the fold on one side, seal the bottom and leave
the
> > other
> > > side open?  Would tape work for the bottom?
> >
> >IMHO, The problem with this would be that tyvek doesn't breathe, and
wouldn't
> >let the vapor out, and you'd end up with a soggy bag.
>
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