At that temp everything fails. Timber burns, steel softens and collapses, everything but masonry can't survive.
No building material or technique is perfect. Papercrete survives fire for a long time if there's adequate sand content, it actually performs quite well in a fire. But its not perfect, it can smoulder and keep on smouldering for hours afterwards, correct treatment is needed after a fire.
Its also quite good workwise if you use a trashpump to get the mix into the wall, using shuttering to pour the walls in situ.
--- In papercreters@yahoogroups.com, calle vallede <valledecalle@...> wrote:
>
> Hi all,
>
> After our life changing forest, canyon, range fire not sure if I would ever trust papercrete as our fire burnt between 3000/4000 degrees according to the rangers.
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Sunday, May 26, 2013
[papercreters] Re: ] Recipe for Newbie
at 7:44 PM