We have built a rocket stove mass heater at our permaproject this fall and are now looking to make a nice finish on the cob structure, to make it more waterproof, less dusty and durable.
Does anyone have expierience or good iedas to make a finish layer with natural rescourses?
I heard about linseedoil for earthern floors but haven't seen it been used on heated surfaces.
Thanks in advance!
Location: Southern alps, on the French side of the french /italian border 5000ft high Southern alpine climate.