house made of sawdust concrete

I 'm building my house out of sawdust concrete . inexpensive warm eco-friendly.does not require additional insulation When people began to build houses, concrete had not yet been invented, so the foundation for them usually served as stacked stones on top of each other, fastened with earth or clay. Therefore, speaking about the rubble foundation, what is it, we can say that this is the oldest foundation invented by people for residential buildings. Some of them are still found during excavations in quite a decent strong condition. Due to the durability of natural stone, such a foundation is still very popular today, and even greater reliability of masonry is given by its bonding with concrete Floors on the ground: what is it