foam is another way to produce light weight concrete. you can get some 
useful information on www.portafoam.com
back to my question, by using this foam technology with papercrete, 
will it produce a good strenth of lightweight papercrete (even 
papercrete itself is already light)
--- In papercreters@yahoogroups.com, sire@... wrote:
>
> "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@...> 
> 
> 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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