"Foam"?   What does that mean?  Big pieces?
 Perlite is similar to small foam particles and there are strength tables for it.
 Neal
 -------------- Original message --------------__._,_.___
From: "perfect_shy" <perfect_shy@yahoo.com>
i heard that foam will make papercrete more lighter but what are your
expectation on the strength?
does anyone have any idea about it?
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