[Strawbale] Soda and ulexite in clay
chwmol at hotmail...
Sat Apr 23 23:14:38 CEST 2011
building my house in Belgium and I just started rendering the bales on the
outside with clay (loam).
some ulexite (sodium calcium borate, a natural mineral) against fungus. I’ve also added soda
(sodium carbonate). This lowers the viscosity of the clay so I can use less
water which should give me less drying shrinkage.
experience with these materials?
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