Re: Tyvek ground cloth

Thanks John!
That certainly gives more options...
Can you think of a reason NOT to use the 1422A assuming its available, and not significantly more expensive?

Jim


--- In [email protected], John Ladd <johnladd@...> wrote:
>
> Since sending the following wonky-sounding post, I've talked to a friend
> who I trust and who first introduced me to the Type 14 (cloth-like)
> Tyveksused by custom kite fanatics. He corrected my memory -- it was
> not the
> 1422R that both he and I have used, but the 1443R.  While that type also is
> Corona-treated and therefore has a hydrostatic head rating of under 15,
> he's used his in more challenging conditions than I. While I use mine (when
> rain threatens) under a tent floor, he uses his under a wing-style
> floorlesstarp so that it is his only water protection. He says he has
> used it
> extensively and never had a problem with water seepage through the Tyvek.
> So both he and I have had good experience with the kite-style Tyvek and
> he's pushed his much harder than I have.
> 
> My conclusion - fabric type Tyveks like 1422R work well in the field
> despite the degraded hydrostatic rating.
> 
> John Curran Ladd
>