In some ways Clyde Curry's perlite enhanced mix might be somewhat
similar. Check his posting last week.
Keep in mind that styrofoam (Expanded polystyrene, EPS) is open celled
and will take on some moisture. Extruded polystyrene, XPS, is closed
cell, denser, and handles moisture better. This does not make one
material better than the other, just different.
If I remember correctly, Steve Kornher uses something like what you
suggest for his lightweight roofing structures. I don't remember where
I read that. Possibly on FEN. Check the Papercreters links under the
non-papercrete but cool folder for "Flying Concrete". You'll see some
of his amazing work.
--- In papercreters@yahoogroups.com, "Robert Deutsch" <robdeutsch@...>
wrote:
>
> Dear Builders,
>
> Thanks for all the thoughts on papercrete. I'll be trying some of
the ideas day after tomorrow.
>
> Another idea... has anyone made styrocrete? A net search turned up
manufactured Rastra blocks stated as 85% recycled Styrofoam, 15%
cement... but no info on homemade blocks. Any ideas on shredding foam,
mixing or additives?? What kind of recipe would you all start with??
>
> Thanks,
>
> Robert in Cambodia
>
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