Hi Udi,
Tests of hydraulically compressed blocks indicate that R-value does not
suffer from "ultra-compression".
I have a small, brick-sized block of Barry Fuller's that was compressed
to between 400 and 600 PSI. I keep it near my outdoor grill and use it
as a heat shield it is such a great insulator. It does not look or feel
at all like regular papercrete, as he lowers the cement ratio. It feels
more like some kind of advanced polymer thing. It has been outside in
sun and monsoons for all summer, and looks the same as it always has,
perfect!
Thanks,
Vince
> compression vs. R-value
> Posted by: "sheelakasha" levecosolutions@gmail.com sheelakasha
> Date: Sun Sep 7, 2008 9:35 pm ((PDT))
>
> hello all.
> has anyone measured the ratio between compression and insulation?
> in other words, the more i compress my PC block, the less air is left
> in it, hence less R-Value. IS THIS ASSUMPTION CORRECT?
> is there a formula of compression strength to R-Value.
> thoughts?
>
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