Look at 1/2" Thermax HD. Thermax HD is *the* material of the gods, it's
vastly tougher than the other forms of polyiso, has better fire ratings,
and is good in the outdoors if your hexayurts are going to be in the sun
for a long time.
Special order, but this particular Unobtanium is worth the effort. One
or two folks here built hexayurts from Thermax HD and can review, or
google the archives.
V>
On 15/08/12 20:09, Gibbon wrote:
OK the H13 I had seen but never built. That is amazing. I am making it
happen. Thanks!
On Wednesday, August 15, 2012 10:52:55 AM UTC-7, Gibbon wrote:
Agreed, R+Heatshield is fantastic. If I used any other material I
would coat it with Kilz and perhaps another layer of aluminum
tape. Small, thin strong, light...i considered a used cardboard
box reinforced with something or other. If I can get the roof rack
going I should be set.
On Wednesday, August 15, 2012 5:34:30 AM UTC-7, Alejandro wrote:
Hexacomb is a possibility. It's just not as easy to find as
polyiso. And I don't know that it has a foil outer layer.
I'm guessing it doesn't, which means it's not ideal in case
it rains. To be prepared for rain, you'd probably have to
tape the outside with foil tape I imagine.
As per the Hexayurt Playa webpage
(http://www.appropedia.org/Hexayurt_playa
<http://www.appropedia.org/Hexayurt_playa>), hexacomb
apparently also needs an additional insulating layer, as in
and of itself, it seems to be insufficient for insulation
purposes.
R+Heatshield <http://insul.net/prod_heatshield.html> is
specifically mentioned to be used in conjunction with hexacomb.
Also mentioned are Coroplast or Triplewall corrugated
cardboard. But again, I'm guessing they too will not withstand
rain on their own.
Personally, I think 1" polyiso is the way to go. I built an
H13 with Rmax. Light, sufficiently strong, and great R factor
to weight ratio, plus it already comes with an outer foil
layer (which reflects sunlight away as well as resisting rain).
-Alejandro
On Tue, Aug 14, 2012 at 11:18 PM, nutrapuppy
<[email protected]> wrote:
Is there a proven super light, strong alternate choice for
panels? I am attempting to make a folding Hexyurt to haul
in a Honda Fit. Any ideas?
Thanks,
Gibbon
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