Filling in the walls with arbolit (concrete-sawdust mixture)

[@ВиталийГоликов-ъ8о]

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[@BawleyRidge]

what is mix ratio of sawdust to cement?

[@churchofmadness]

1:3
One part of cement, three parts of sawdust. You could use 4 if you want it warmer, but 1:3 is sufficiently warm AND it makes for thr stronger composition.
It gets to -25°C in winter over here

[@ВиталийГоликов-ъ8о]

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