Would you build a house with papier mache? Take some shredded paper and mix in some portland cement, some water, some local sand, mix lots of air with it and end up with a viable construction material. Some call it papercrete. The entrained air swells the material by 50%
What are the advantages?
1. Surprisingly Strong 2. It is Fireproof 3. A good insulator (R factor between 2.5 and 3.0 per inch)and most of all … 4) It is inexpensive.
As far as longevity is concerned, you need not worry a block of this stuff is estimated to have lifespan of 2000 years f(or what they call “Castle Blocks.” )
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